./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product38_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_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/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 764a558f84753bff2f3381f04a56ebf221297041 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-01 19:08:34,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:08:34,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:08:34,508 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:08:34,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:08:34,509 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:08:34,510 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:08:34,511 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:08:34,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:08:34,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:08:34,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:08:34,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:08:34,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:08:34,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:08:34,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:08:34,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:08:34,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:08:34,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:08:34,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:08:34,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:08:34,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:08:34,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:08:34,524 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:08:34,525 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:08:34,525 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:08:34,525 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:08:34,526 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:08:34,526 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:08:34,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:08:34,527 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:08:34,527 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:08:34,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:08:34,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:08:34,528 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:08:34,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:08:34,528 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:08:34,529 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 19:08:34,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:08:34,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:08:34,536 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:08:34,536 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 19:08:34,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 19:08:34,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:08:34,537 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:08:34,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:08:34,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:08:34,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:08:34,539 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 19:08:34,539 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:08:34,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:08:34,539 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_60e45b16-320e-4a06-aefa-0f00b9240ad1/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 -> 764a558f84753bff2f3381f04a56ebf221297041 [2018-12-01 19:08:34,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:08:34,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:08:34,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:08:34,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:08:34,566 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:08:34,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-12-01 19:08:34,601 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/data/9d0a27f74/d8f0461504594ee587b503c755560c0c/FLAG3c0ef0e0b [2018-12-01 19:08:35,042 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:08:35,043 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/sv-benchmarks/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-12-01 19:08:35,049 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/data/9d0a27f74/d8f0461504594ee587b503c755560c0c/FLAG3c0ef0e0b [2018-12-01 19:08:35,057 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/data/9d0a27f74/d8f0461504594ee587b503c755560c0c [2018-12-01 19:08:35,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:08:35,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:08:35,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:08:35,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:08:35,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:08:35,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,064 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 01.12 07:08:35, skipping insertion in model container [2018-12-01 19:08:35,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:08:35,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:08:35,235 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:08:35,281 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:08:35,328 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:08:35,344 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:08:35,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35 WrapperNode [2018-12-01 19:08:35,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:08:35,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:08:35,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:08:35,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:08:35,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:08:35,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:08:35,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:08:35,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:08:35,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... [2018-12-01 19:08:35,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:08:35,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:08:35,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:08:35,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:08:35,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/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 [2018-12-01 19:08:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 19:08:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 19:08:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-01 19:08:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-01 19:08:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 19:08:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 19:08:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:08:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 19:08:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 19:08:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 19:08:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 19:08:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 19:08:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 19:08:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 19:08:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 19:08:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 19:08:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 19:08:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 19:08:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 19:08:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 19:08:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 19:08:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 19:08:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 19:08:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 19:08:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 19:08:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 19:08:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 19:08:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 19:08:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 19:08:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 19:08:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 19:08:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 19:08:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 19:08:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 19:08:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 19:08:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 19:08:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 19:08:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 19:08:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 19:08:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 19:08:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 19:08:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 19:08:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:08:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:08:35,723 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:08:35,724 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 19:08:35,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:08:35 BoogieIcfgContainer [2018-12-01 19:08:35,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:08:35,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 19:08:35,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 19:08:35,727 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 19:08:35,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 07:08:35" (1/3) ... [2018-12-01 19:08:35,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c1b3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:08:35, skipping insertion in model container [2018-12-01 19:08:35,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:35" (2/3) ... [2018-12-01 19:08:35,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c1b3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:08:35, skipping insertion in model container [2018-12-01 19:08:35,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:08:35" (3/3) ... [2018-12-01 19:08:35,729 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-12-01 19:08:35,735 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 19:08:35,740 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 19:08:35,750 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 19:08:35,769 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 19:08:35,770 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 19:08:35,770 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 19:08:35,770 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 19:08:35,770 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 19:08:35,770 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 19:08:35,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 19:08:35,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 19:08:35,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 19:08:35,783 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-12-01 19:08:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 19:08:35,788 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:35,788 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:08:35,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:35,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:35,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1964690119, now seen corresponding path program 1 times [2018-12-01 19:08:35,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:35,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:35,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:35,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:35,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:08:35,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:08:35,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 19:08:35,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 19:08:35,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 19:08:35,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 19:08:35,946 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-12-01 19:08:35,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:35,969 INFO L93 Difference]: Finished difference Result 260 states and 319 transitions. [2018-12-01 19:08:35,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 19:08:35,970 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 19:08:35,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:35,976 INFO L225 Difference]: With dead ends: 260 [2018-12-01 19:08:35,977 INFO L226 Difference]: Without dead ends: 130 [2018-12-01 19:08:35,979 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 [2018-12-01 19:08:35,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-01 19:08:36,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-01 19:08:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-01 19:08:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-12-01 19:08:36,008 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46 [2018-12-01 19:08:36,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:36,009 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-12-01 19:08:36,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 19:08:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-12-01 19:08:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 19:08:36,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:36,010 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:08:36,011 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:36,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:36,011 INFO L82 PathProgramCache]: Analyzing trace with hash -213748810, now seen corresponding path program 1 times [2018-12-01 19:08:36,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:36,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:36,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:36,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:08:36,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:08:36,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:08:36,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:08:36,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:08:36,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:08:36,073 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2018-12-01 19:08:36,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:36,088 INFO L93 Difference]: Finished difference Result 205 states and 237 transitions. [2018-12-01 19:08:36,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:08:36,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 19:08:36,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:36,090 INFO L225 Difference]: With dead ends: 205 [2018-12-01 19:08:36,090 INFO L226 Difference]: Without dead ends: 121 [2018-12-01 19:08:36,090 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 [2018-12-01 19:08:36,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-01 19:08:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-01 19:08:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-01 19:08:36,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2018-12-01 19:08:36,097 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2018-12-01 19:08:36,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:36,098 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2018-12-01 19:08:36,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:08:36,098 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2018-12-01 19:08:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 19:08:36,099 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:36,099 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] [2018-12-01 19:08:36,099 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:36,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:36,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1180609704, now seen corresponding path program 1 times [2018-12-01 19:08:36,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:36,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:36,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:36,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:08:36,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:08:36,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 19:08:36,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 19:08:36,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 19:08:36,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 19:08:36,173 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2018-12-01 19:08:36,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:36,338 INFO L93 Difference]: Finished difference Result 218 states and 255 transitions. [2018-12-01 19:08:36,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 19:08:36,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 19:08:36,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:36,339 INFO L225 Difference]: With dead ends: 218 [2018-12-01 19:08:36,339 INFO L226 Difference]: Without dead ends: 121 [2018-12-01 19:08:36,340 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 [2018-12-01 19:08:36,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-01 19:08:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-01 19:08:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-01 19:08:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-12-01 19:08:36,347 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2018-12-01 19:08:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:36,347 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-12-01 19:08:36,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 19:08:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-12-01 19:08:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 19:08:36,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:36,349 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] [2018-12-01 19:08:36,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:36,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:36,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1317129100, now seen corresponding path program 1 times [2018-12-01 19:08:36,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:36,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:36,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:36,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:08:36,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:08:36,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 19:08:36,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 19:08:36,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 19:08:36,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 19:08:36,418 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 5 states. [2018-12-01 19:08:36,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:36,699 INFO L93 Difference]: Finished difference Result 317 states and 379 transitions. [2018-12-01 19:08:36,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 19:08:36,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-01 19:08:36,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:36,701 INFO L225 Difference]: With dead ends: 317 [2018-12-01 19:08:36,701 INFO L226 Difference]: Without dead ends: 220 [2018-12-01 19:08:36,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 19:08:36,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-01 19:08:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-12-01 19:08:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-12-01 19:08:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 227 transitions. [2018-12-01 19:08:36,718 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 227 transitions. Word has length 65 [2018-12-01 19:08:36,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:36,719 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 227 transitions. [2018-12-01 19:08:36,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 19:08:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 227 transitions. [2018-12-01 19:08:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 19:08:36,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:36,720 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] [2018-12-01 19:08:36,721 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:36,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:36,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1370842121, now seen corresponding path program 1 times [2018-12-01 19:08:36,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:36,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:36,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:36,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:08:36,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:08:36,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 19:08:36,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 19:08:36,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 19:08:36,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 19:08:36,825 INFO L87 Difference]: Start difference. First operand 201 states and 227 transitions. Second operand 10 states. [2018-12-01 19:08:37,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:37,141 INFO L93 Difference]: Finished difference Result 644 states and 795 transitions. [2018-12-01 19:08:37,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 19:08:37,141 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-12-01 19:08:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:37,144 INFO L225 Difference]: With dead ends: 644 [2018-12-01 19:08:37,144 INFO L226 Difference]: Without dead ends: 467 [2018-12-01 19:08:37,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-01 19:08:37,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-12-01 19:08:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 457. [2018-12-01 19:08:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-12-01 19:08:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 535 transitions. [2018-12-01 19:08:37,168 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 535 transitions. Word has length 79 [2018-12-01 19:08:37,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:37,168 INFO L480 AbstractCegarLoop]: Abstraction has 457 states and 535 transitions. [2018-12-01 19:08:37,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 19:08:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 535 transitions. [2018-12-01 19:08:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 19:08:37,171 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:37,171 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:08:37,171 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:37,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:37,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2092992294, now seen corresponding path program 1 times [2018-12-01 19:08:37,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:37,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:37,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:37,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:37,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:08:37,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:08:37,250 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/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 [2018-12-01 19:08:37,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:37,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:08:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 19:08:37,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 19:08:37,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2018-12-01 19:08:37,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 19:08:37,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 19:08:37,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-12-01 19:08:37,465 INFO L87 Difference]: Start difference. First operand 457 states and 535 transitions. Second operand 14 states. [2018-12-01 19:08:38,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:38,606 INFO L93 Difference]: Finished difference Result 1320 states and 1912 transitions. [2018-12-01 19:08:38,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-01 19:08:38,606 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 132 [2018-12-01 19:08:38,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:38,610 INFO L225 Difference]: With dead ends: 1320 [2018-12-01 19:08:38,610 INFO L226 Difference]: Without dead ends: 887 [2018-12-01 19:08:38,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=243, Invalid=1089, Unknown=0, NotChecked=0, Total=1332 [2018-12-01 19:08:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-12-01 19:08:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 601. [2018-12-01 19:08:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-12-01 19:08:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 712 transitions. [2018-12-01 19:08:38,649 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 712 transitions. Word has length 132 [2018-12-01 19:08:38,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:38,649 INFO L480 AbstractCegarLoop]: Abstraction has 601 states and 712 transitions. [2018-12-01 19:08:38,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 19:08:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 712 transitions. [2018-12-01 19:08:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-01 19:08:38,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:38,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:08:38,651 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:38,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:38,652 INFO L82 PathProgramCache]: Analyzing trace with hash -779441046, now seen corresponding path program 1 times [2018-12-01 19:08:38,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:38,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:38,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:38,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:38,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:08:38,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:08:38,735 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:08:38,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:38,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:08:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 19:08:38,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:08:38,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-01 19:08:38,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 19:08:38,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 19:08:38,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-01 19:08:38,864 INFO L87 Difference]: Start difference. First operand 601 states and 712 transitions. Second operand 11 states. [2018-12-01 19:08:38,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:38,894 INFO L93 Difference]: Finished difference Result 1074 states and 1304 transitions. [2018-12-01 19:08:38,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 19:08:38,895 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2018-12-01 19:08:38,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:38,896 INFO L225 Difference]: With dead ends: 1074 [2018-12-01 19:08:38,896 INFO L226 Difference]: Without dead ends: 497 [2018-12-01 19:08:38,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-01 19:08:38,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2018-12-01 19:08:38,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2018-12-01 19:08:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-12-01 19:08:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 588 transitions. [2018-12-01 19:08:38,916 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 588 transitions. Word has length 128 [2018-12-01 19:08:38,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:38,916 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 588 transitions. [2018-12-01 19:08:38,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 19:08:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 588 transitions. [2018-12-01 19:08:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 19:08:38,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:38,918 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-01 19:08:38,918 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:38,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:38,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1538241707, now seen corresponding path program 1 times [2018-12-01 19:08:38,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:38,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:38,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:38,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:38,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:08:38,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:08:38,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 19:08:38,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 19:08:38,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 19:08:38,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 19:08:38,987 INFO L87 Difference]: Start difference. First operand 497 states and 588 transitions. Second operand 9 states. [2018-12-01 19:08:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:39,303 INFO L93 Difference]: Finished difference Result 1341 states and 1620 transitions. [2018-12-01 19:08:39,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 19:08:39,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 184 [2018-12-01 19:08:39,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:39,306 INFO L225 Difference]: With dead ends: 1341 [2018-12-01 19:08:39,306 INFO L226 Difference]: Without dead ends: 868 [2018-12-01 19:08:39,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-01 19:08:39,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2018-12-01 19:08:39,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 865. [2018-12-01 19:08:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2018-12-01 19:08:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1012 transitions. [2018-12-01 19:08:39,336 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1012 transitions. Word has length 184 [2018-12-01 19:08:39,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:39,336 INFO L480 AbstractCegarLoop]: Abstraction has 865 states and 1012 transitions. [2018-12-01 19:08:39,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 19:08:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1012 transitions. [2018-12-01 19:08:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 19:08:39,338 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:39,338 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:08:39,338 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:39,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:39,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1315988337, now seen corresponding path program 1 times [2018-12-01 19:08:39,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:39,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:39,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:39,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:39,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-12-01 19:08:39,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:08:39,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:08:39,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:08:39,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:08:39,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:08:39,404 INFO L87 Difference]: Start difference. First operand 865 states and 1012 transitions. Second operand 6 states. [2018-12-01 19:08:39,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:39,502 INFO L93 Difference]: Finished difference Result 874 states and 1023 transitions. [2018-12-01 19:08:39,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 19:08:39,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2018-12-01 19:08:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:39,504 INFO L225 Difference]: With dead ends: 874 [2018-12-01 19:08:39,504 INFO L226 Difference]: Without dead ends: 871 [2018-12-01 19:08:39,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 19:08:39,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-12-01 19:08:39,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 865. [2018-12-01 19:08:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2018-12-01 19:08:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1010 transitions. [2018-12-01 19:08:39,535 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1010 transitions. Word has length 188 [2018-12-01 19:08:39,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:39,535 INFO L480 AbstractCegarLoop]: Abstraction has 865 states and 1010 transitions. [2018-12-01 19:08:39,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:08:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1010 transitions. [2018-12-01 19:08:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 19:08:39,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:39,537 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-01 19:08:39,537 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:39,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:39,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1586802669, now seen corresponding path program 1 times [2018-12-01 19:08:39,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:39,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:39,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:39,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:39,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:08:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:08:39,648 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 19:08:39,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 07:08:39 BoogieIcfgContainer [2018-12-01 19:08:39,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 19:08:39,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:08:39,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:08:39,779 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:08:39,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:08:35" (3/4) ... [2018-12-01 19:08:39,780 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 19:08:39,877 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60e45b16-320e-4a06-aefa-0f00b9240ad1/bin-2019/uautomizer/witness.graphml [2018-12-01 19:08:39,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:08:39,878 INFO L168 Benchmark]: Toolchain (without parser) took 4818.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.6 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -239.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:39,879 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:08:39,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:39,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.60 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. [2018-12-01 19:08:39,879 INFO L168 Benchmark]: Boogie Preprocessor took 21.69 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. [2018-12-01 19:08:39,879 INFO L168 Benchmark]: RCFGBuilder took 336.74 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: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:39,879 INFO L168 Benchmark]: TraceAbstraction took 4053.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.2 MB). Peak memory consumption was 434.9 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:39,879 INFO L168 Benchmark]: Witness Printer took 98.91 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 67.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:39,880 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.60 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 21.69 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 336.74 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: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4053.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.2 MB). Peak memory consumption was 434.9 MB. Max. memory is 11.5 GB. * Witness Printer took 98.91 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 67.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 247]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L349] int pumpRunning = 0; [L350] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L281] int splverifierCounter ; [L282] int tmp ; [L283] int tmp___0 ; [L284] int tmp___1 ; [L285] int tmp___2 ; [L288] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L298] tmp = __VERIFIER_nondet_int() [L300] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L302] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE waterLevel < 2 [L168] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L414] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L429] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L388] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L390] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] int retValue_acc ; [L509] int tmp ; [L510] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L514] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L229] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(waterLevel < 2) [L236] retValue_acc = 0 [L237] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L514] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L514] tmp = isHighWaterSensorDry() [L516] COND FALSE !(\read(tmp)) [L519] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L521] retValue_acc = tmp___0 [L522] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L390] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L390] tmp = isHighWaterLevel() [L392] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L394] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L394] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L429] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L371] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L335] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L356] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L358] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L358] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L414] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L456] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L456] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L416] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L424] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L388] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L403] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L424] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L371] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L335] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L356] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L358] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L358] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L414] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L416] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L456] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L456] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L416] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L424] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L388] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L403] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L424] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] tmp = getWaterLevel() [L261] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L263] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L463] int retValue_acc ; [L466] retValue_acc = pumpRunning [L467] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L263] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L263] tmp___0 = isPumpRunning() [L265] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L267] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L247] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 143 locations, 1 error locations. UNSAFE Result, 4.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1451 SDtfs, 1180 SDslu, 4641 SDs, 0 SdLazy, 3444 SolverSat, 500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=865occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 324 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1369 NumberOfCodeBlocks, 1369 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1170 ConstructedInterpolants, 0 QuantifiedInterpolants, 223817 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1640 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 288/296 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...