./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product39_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_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product39_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/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 c228d9f74ddd17cda7010ca670107d7221f92470 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-08 14:08:26,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:08:26,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:08:26,442 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:08:26,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:08:26,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:08:26,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:08:26,444 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:08:26,445 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:08:26,446 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:08:26,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:08:26,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:08:26,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:08:26,447 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:08:26,448 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:08:26,448 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:08:26,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:08:26,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:08:26,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:08:26,451 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:08:26,452 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:08:26,452 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:08:26,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:08:26,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:08:26,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:08:26,454 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:08:26,455 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:08:26,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:08:26,456 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:08:26,456 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:08:26,456 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:08:26,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:08:26,457 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:08:26,457 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:08:26,457 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:08:26,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:08:26,458 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 14:08:26,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:08:26,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:08:26,466 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:08:26,466 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:08:26,466 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:08:26,467 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:08:26,467 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 14:08:26,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:08:26,467 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:08:26,467 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:08:26,467 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:08:26,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:08:26,467 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:08:26,468 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:08:26,468 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:08:26,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:08:26,469 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:08:26,469 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:08:26,469 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:08:26,469 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 14:08:26,469 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:08:26,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:08:26,469 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_f7749be6-9f41-480c-9680-fe0de9fa2e1b/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 -> c228d9f74ddd17cda7010ca670107d7221f92470 [2018-12-08 14:08:26,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:08:26,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:08:26,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:08:26,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:08:26,500 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:08:26,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product39_false-unreach-call_false-termination.cil.c [2018-12-08 14:08:26,547 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/data/0e6169c8e/96d66c2e57224d1cb7afdc60b84ead5e/FLAG3158a3041 [2018-12-08 14:08:26,872 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:08:26,872 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/sv-benchmarks/c/product-lines/minepump_spec4_product39_false-unreach-call_false-termination.cil.c [2018-12-08 14:08:26,878 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/data/0e6169c8e/96d66c2e57224d1cb7afdc60b84ead5e/FLAG3158a3041 [2018-12-08 14:08:26,886 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/data/0e6169c8e/96d66c2e57224d1cb7afdc60b84ead5e [2018-12-08 14:08:26,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:08:26,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:08:26,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:08:26,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:08:26,892 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:08:26,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:08:26" (1/1) ... [2018-12-08 14:08:26,894 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 08.12 02:08:26, skipping insertion in model container [2018-12-08 14:08:26,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:08:26" (1/1) ... [2018-12-08 14:08:26,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:08:26,923 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:08:27,065 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:08:27,108 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:08:27,145 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:08:27,160 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:08:27,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27 WrapperNode [2018-12-08 14:08:27,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:08:27,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:08:27,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:08:27,161 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:08:27,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:08:27,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:08:27,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:08:27,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:08:27,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... [2018-12-08 14:08:27,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:08:27,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:08:27,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:08:27,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:08:27,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/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 [2018-12-08 14:08:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 14:08:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 14:08:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 14:08:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 14:08:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:08:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:08:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 14:08:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 14:08:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:08:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 14:08:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 14:08:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 14:08:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 14:08:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 14:08:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 14:08:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 14:08:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 14:08:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 14:08:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 14:08:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 14:08:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 14:08:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 14:08:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 14:08:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 14:08:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 14:08:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 14:08:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 14:08:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 14:08:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 14:08:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 14:08:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 14:08:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 14:08:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 14:08:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:08:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:08:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 14:08:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 14:08:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 14:08:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 14:08:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 14:08:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 14:08:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 14:08:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:08:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:08:27,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:08:27,548 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 14:08:27,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:08:27 BoogieIcfgContainer [2018-12-08 14:08:27,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:08:27,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:08:27,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:08:27,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:08:27,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:08:26" (1/3) ... [2018-12-08 14:08:27,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:08:27, skipping insertion in model container [2018-12-08 14:08:27,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:08:27" (2/3) ... [2018-12-08 14:08:27,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:08:27, skipping insertion in model container [2018-12-08 14:08:27,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:08:27" (3/3) ... [2018-12-08 14:08:27,555 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product39_false-unreach-call_false-termination.cil.c [2018-12-08 14:08:27,562 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:08:27,567 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:08:27,576 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:08:27,597 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 14:08:27,598 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:08:27,598 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:08:27,598 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:08:27,598 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:08:27,598 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:08:27,598 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:08:27,598 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:08:27,598 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:08:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-08 14:08:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 14:08:27,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:27,620 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] [2018-12-08 14:08:27,622 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:27,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:27,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1562660957, now seen corresponding path program 1 times [2018-12-08 14:08:27,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:27,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:27,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:27,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:27,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:08:27,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:08:27,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 14:08:27,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 14:08:27,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 14:08:27,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:08:27,802 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-08 14:08:27,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:27,824 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2018-12-08 14:08:27,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 14:08:27,825 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 14:08:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:27,831 INFO L225 Difference]: With dead ends: 264 [2018-12-08 14:08:27,831 INFO L226 Difference]: Without dead ends: 132 [2018-12-08 14:08:27,834 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 [2018-12-08 14:08:27,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-08 14:08:27,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-08 14:08:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-08 14:08:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-12-08 14:08:27,864 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2018-12-08 14:08:27,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:27,865 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-12-08 14:08:27,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 14:08:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-12-08 14:08:27,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 14:08:27,867 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:27,867 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] [2018-12-08 14:08:27,867 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:27,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:27,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1625318604, now seen corresponding path program 1 times [2018-12-08 14:08:27,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:27,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:27,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:27,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:27,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:08:27,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:08:27,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:08:27,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:08:27,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:08:27,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:08:27,916 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-12-08 14:08:27,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:27,932 INFO L93 Difference]: Finished difference Result 207 states and 241 transitions. [2018-12-08 14:08:27,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:08:27,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 14:08:27,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:27,933 INFO L225 Difference]: With dead ends: 207 [2018-12-08 14:08:27,933 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 14:08:27,934 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 [2018-12-08 14:08:27,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 14:08:27,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 14:08:27,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 14:08:27,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-08 14:08:27,941 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2018-12-08 14:08:27,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:27,942 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-08 14:08:27,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:08:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-08 14:08:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 14:08:27,943 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:27,943 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:08:27,943 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:27,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:27,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1164797503, now seen corresponding path program 1 times [2018-12-08 14:08:27,944 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:27,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:27,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:27,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:27,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:08:27,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:08:27,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 14:08:27,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:08:27,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:08:27,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:08:27,999 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-12-08 14:08:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:28,239 INFO L93 Difference]: Finished difference Result 371 states and 447 transitions. [2018-12-08 14:08:28,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:08:28,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 14:08:28,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:28,242 INFO L225 Difference]: With dead ends: 371 [2018-12-08 14:08:28,242 INFO L226 Difference]: Without dead ends: 272 [2018-12-08 14:08:28,243 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 [2018-12-08 14:08:28,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-12-08 14:08:28,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 264. [2018-12-08 14:08:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-12-08 14:08:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 318 transitions. [2018-12-08 14:08:28,263 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 318 transitions. Word has length 51 [2018-12-08 14:08:28,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:28,263 INFO L480 AbstractCegarLoop]: Abstraction has 264 states and 318 transitions. [2018-12-08 14:08:28,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:08:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 318 transitions. [2018-12-08 14:08:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 14:08:28,264 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:28,265 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:08:28,265 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:28,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:28,265 INFO L82 PathProgramCache]: Analyzing trace with hash 384172571, now seen corresponding path program 1 times [2018-12-08 14:08:28,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:28,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:28,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:28,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:28,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:08:28,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:08:28,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 14:08:28,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 14:08:28,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 14:08:28,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:08:28,342 INFO L87 Difference]: Start difference. First operand 264 states and 318 transitions. Second operand 10 states. [2018-12-08 14:08:28,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:28,659 INFO L93 Difference]: Finished difference Result 936 states and 1220 transitions. [2018-12-08 14:08:28,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 14:08:28,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-08 14:08:28,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:28,662 INFO L225 Difference]: With dead ends: 936 [2018-12-08 14:08:28,662 INFO L226 Difference]: Without dead ends: 696 [2018-12-08 14:08:28,663 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 [2018-12-08 14:08:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2018-12-08 14:08:28,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 684. [2018-12-08 14:08:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2018-12-08 14:08:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 858 transitions. [2018-12-08 14:08:28,710 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 858 transitions. Word has length 57 [2018-12-08 14:08:28,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:28,710 INFO L480 AbstractCegarLoop]: Abstraction has 684 states and 858 transitions. [2018-12-08 14:08:28,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 14:08:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 858 transitions. [2018-12-08 14:08:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 14:08:28,713 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:28,713 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:08:28,713 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:28,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:28,714 INFO L82 PathProgramCache]: Analyzing trace with hash 964699425, now seen corresponding path program 1 times [2018-12-08 14:08:28,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:28,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:28,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:28,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:28,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:08:28,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:08:28,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 14:08:28,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 14:08:28,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 14:08:28,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:08:28,760 INFO L87 Difference]: Start difference. First operand 684 states and 858 transitions. Second operand 4 states. [2018-12-08 14:08:28,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:28,954 INFO L93 Difference]: Finished difference Result 1726 states and 2373 transitions. [2018-12-08 14:08:28,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 14:08:28,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-08 14:08:28,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:28,957 INFO L225 Difference]: With dead ends: 1726 [2018-12-08 14:08:28,957 INFO L226 Difference]: Without dead ends: 1066 [2018-12-08 14:08:28,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:08:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-12-08 14:08:28,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 931. [2018-12-08 14:08:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2018-12-08 14:08:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1178 transitions. [2018-12-08 14:08:28,996 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1178 transitions. Word has length 61 [2018-12-08 14:08:28,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:28,996 INFO L480 AbstractCegarLoop]: Abstraction has 931 states and 1178 transitions. [2018-12-08 14:08:28,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 14:08:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1178 transitions. [2018-12-08 14:08:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 14:08:28,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:28,997 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:08:28,998 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:28,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:28,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1788697759, now seen corresponding path program 1 times [2018-12-08 14:08:28,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:28,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:28,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:28,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:28,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 14:08:29,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:08:29,065 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/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 [2018-12-08 14:08:29,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:29,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:08:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 14:08:29,243 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 14:08:29,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-08 14:08:29,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 14:08:29,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 14:08:29,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-08 14:08:29,244 INFO L87 Difference]: Start difference. First operand 931 states and 1178 transitions. Second operand 12 states. [2018-12-08 14:08:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:30,890 INFO L93 Difference]: Finished difference Result 2222 states and 3047 transitions. [2018-12-08 14:08:30,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-08 14:08:30,890 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-12-08 14:08:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:30,895 INFO L225 Difference]: With dead ends: 2222 [2018-12-08 14:08:30,895 INFO L226 Difference]: Without dead ends: 1551 [2018-12-08 14:08:30,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-12-08 14:08:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2018-12-08 14:08:30,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1351. [2018-12-08 14:08:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2018-12-08 14:08:30,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1729 transitions. [2018-12-08 14:08:30,946 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1729 transitions. Word has length 88 [2018-12-08 14:08:30,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:30,946 INFO L480 AbstractCegarLoop]: Abstraction has 1351 states and 1729 transitions. [2018-12-08 14:08:30,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 14:08:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1729 transitions. [2018-12-08 14:08:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 14:08:30,948 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:30,948 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:08:30,948 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:30,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:30,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1447811008, now seen corresponding path program 1 times [2018-12-08 14:08:30,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:30,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:30,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:30,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:30,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 14:08:30,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:08:30,992 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/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 [2018-12-08 14:08:31,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:31,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:08:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 14:08:31,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:08:31,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-08 14:08:31,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:08:31,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:08:31,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:08:31,102 INFO L87 Difference]: Start difference. First operand 1351 states and 1729 transitions. Second operand 6 states. [2018-12-08 14:08:31,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:31,169 INFO L93 Difference]: Finished difference Result 2718 states and 3579 transitions. [2018-12-08 14:08:31,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:08:31,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-12-08 14:08:31,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:31,173 INFO L225 Difference]: With dead ends: 2718 [2018-12-08 14:08:31,173 INFO L226 Difference]: Without dead ends: 1391 [2018-12-08 14:08:31,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:08:31,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2018-12-08 14:08:31,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1391. [2018-12-08 14:08:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2018-12-08 14:08:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1773 transitions. [2018-12-08 14:08:31,221 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1773 transitions. Word has length 130 [2018-12-08 14:08:31,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:31,221 INFO L480 AbstractCegarLoop]: Abstraction has 1391 states and 1773 transitions. [2018-12-08 14:08:31,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:08:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1773 transitions. [2018-12-08 14:08:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 14:08:31,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:31,223 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:08:31,223 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:31,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:31,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1789318210, now seen corresponding path program 1 times [2018-12-08 14:08:31,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:31,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:31,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:31,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:31,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 14:08:31,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:08:31,276 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:08:31,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:31,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:08:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 14:08:31,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:08:31,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-08 14:08:31,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 14:08:31,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 14:08:31,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 14:08:31,404 INFO L87 Difference]: Start difference. First operand 1391 states and 1773 transitions. Second operand 11 states. [2018-12-08 14:08:31,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:31,450 INFO L93 Difference]: Finished difference Result 2597 states and 3396 transitions. [2018-12-08 14:08:31,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:08:31,450 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2018-12-08 14:08:31,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:31,454 INFO L225 Difference]: With dead ends: 2597 [2018-12-08 14:08:31,454 INFO L226 Difference]: Without dead ends: 1230 [2018-12-08 14:08:31,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 14:08:31,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2018-12-08 14:08:31,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2018-12-08 14:08:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1230 states. [2018-12-08 14:08:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1553 transitions. [2018-12-08 14:08:31,496 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1553 transitions. Word has length 130 [2018-12-08 14:08:31,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:31,496 INFO L480 AbstractCegarLoop]: Abstraction has 1230 states and 1553 transitions. [2018-12-08 14:08:31,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 14:08:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1553 transitions. [2018-12-08 14:08:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 14:08:31,498 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:31,498 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, 1, 1, 1, 1, 1, 1] [2018-12-08 14:08:31,498 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:31,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:31,499 INFO L82 PathProgramCache]: Analyzing trace with hash 772671677, now seen corresponding path program 1 times [2018-12-08 14:08:31,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:31,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:31,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:31,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:31,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 14:08:31,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:08:31,606 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:08:31,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:08:31,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:08:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:08:31,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 14:08:31,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-08 14:08:31,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 14:08:31,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 14:08:31,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-08 14:08:31,768 INFO L87 Difference]: Start difference. First operand 1230 states and 1553 transitions. Second operand 15 states. [2018-12-08 14:08:32,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:08:32,606 INFO L93 Difference]: Finished difference Result 2479 states and 3341 transitions. [2018-12-08 14:08:32,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 14:08:32,606 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 134 [2018-12-08 14:08:32,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:08:32,612 INFO L225 Difference]: With dead ends: 2479 [2018-12-08 14:08:32,612 INFO L226 Difference]: Without dead ends: 1428 [2018-12-08 14:08:32,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-08 14:08:32,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-12-08 14:08:32,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1116. [2018-12-08 14:08:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-12-08 14:08:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1405 transitions. [2018-12-08 14:08:32,668 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1405 transitions. Word has length 134 [2018-12-08 14:08:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:08:32,668 INFO L480 AbstractCegarLoop]: Abstraction has 1116 states and 1405 transitions. [2018-12-08 14:08:32,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 14:08:32,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1405 transitions. [2018-12-08 14:08:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 14:08:32,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:08:32,670 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, 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] [2018-12-08 14:08:32,670 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:08:32,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:08:32,671 INFO L82 PathProgramCache]: Analyzing trace with hash -2059900115, now seen corresponding path program 2 times [2018-12-08 14:08:32,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:08:32,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:08:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:32,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:08:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:08:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:08:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:08:32,784 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 14:08:32,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:08:32 BoogieIcfgContainer [2018-12-08 14:08:32,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:08:32,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:08:32,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:08:32,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:08:32,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:08:27" (3/4) ... [2018-12-08 14:08:32,884 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 14:08:32,981 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f7749be6-9f41-480c-9680-fe0de9fa2e1b/bin-2019/uautomizer/witness.graphml [2018-12-08 14:08:32,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:08:32,981 INFO L168 Benchmark]: Toolchain (without parser) took 6093.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 954.9 MB in the beginning and 944.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 217.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:08:32,982 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-12-08 14:08:32,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:08:32,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:08:32,982 INFO L168 Benchmark]: Boogie Preprocessor took 20.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:08:32,983 INFO L168 Benchmark]: RCFGBuilder took 347.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-08 14:08:32,983 INFO L168 Benchmark]: TraceAbstraction took 5332.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 100.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:08:32,983 INFO L168 Benchmark]: Witness Printer took 98.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 944.8 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:08:32,984 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 271.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 347.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5332.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 100.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. * Witness Printer took 98.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 944.8 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 722]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L524] int pumpRunning = 0; [L525] int systemActive = 1; [L728] int waterLevel = 1; [L729] int methaneLevelCritical = 0; [L822] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=192, \old(head)=181, \old(head)=200, \old(methaneLevelCritical)=155, \old(pumpRunning)=146, \old(systemActive)=145, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] int retValue_acc ; [L896] 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] [L900] 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] [L901] 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] [L902] 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] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] 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] [L902] 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] [L902] tmp = valid_product() [L904] 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] [L906] 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] [L907] 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] [L889] 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] [L450] int splverifierCounter ; [L451] int tmp ; [L452] int tmp___0 ; [L453] int tmp___1 ; [L454] int tmp___2 ; [L457] 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] [L459] 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] [L461] 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] [L467] tmp = __VERIFIER_nondet_int() [L469] 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] [L471] 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] [L746] COND TRUE waterLevel < 2 [L747] 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] [L471] 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] [L477] tmp___0 = __VERIFIER_nondet_int() [L479] 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] [L487] tmp___2 = __VERIFIER_nondet_int() [L489] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L504] 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] [L532] 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] [L539] 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] [L541] 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] [L587] 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] [L590] 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] [L605] 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] [L561] 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] [L564] 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] [L566] 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] [L684] int retValue_acc ; [L685] int tmp ; [L686] 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] [L690] 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] [L808] 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] [L811] COND FALSE !(waterLevel < 2) [L815] retValue_acc = 0 [L816] 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] [L690] 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] [L690] tmp = isHighWaterSensorDry() [L692] COND FALSE !(\read(tmp)) [L695] 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] [L697] retValue_acc = tmp___0 [L698] 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] [L566] 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] [L566] tmp = isHighWaterLevel() [L568] 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] [L570] 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] [L615] 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] [L570] 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] [L605] 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] [L541] 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] [L547] 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] [L919] int tmp ; [L920] 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] [L924] 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] [L799] int retValue_acc ; [L802] retValue_acc = waterLevel [L803] 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] [L924] 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] [L924] tmp = getWaterLevel() [L926] 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] [L547] 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] [L504] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L459] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L461] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L467] tmp = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L477] tmp___0 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L487] tmp___2 = __VERIFIER_nondet_int() [L489] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L504] 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] [L532] 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] [L534] 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] [L734] COND TRUE waterLevel > 0 [L735] 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] [L534] 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] [L539] 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] [L541] 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] [L587] 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] [L590] 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] [L592] 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] [L628] 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] [L632] 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] [L767] int retValue_acc ; [L770] retValue_acc = methaneLevelCritical [L771] 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] [L632] 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] [L632] retValue_acc = isMethaneLevelCritical() [L634] 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] [L592] 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] [L592] tmp = isMethaneAlarm() [L594] 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] [L600] 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] [L561] 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] [L564] 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] [L579] 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] [L600] 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] [L541] 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] [L547] 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] [L919] int tmp ; [L920] 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] [L924] 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] [L799] int retValue_acc ; [L802] retValue_acc = waterLevel [L803] 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] [L924] 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] [L924] tmp = getWaterLevel() [L926] 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] [L547] 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] [L504] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L459] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L461] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L467] tmp = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L477] tmp___0 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L487] tmp___2 = __VERIFIER_nondet_int() [L489] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L504] 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] [L532] 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] [L534] 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] [L734] COND TRUE waterLevel > 0 [L735] 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] [L534] 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] [L539] 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] [L541] 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] [L587] 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] [L590] 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] [L592] 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] [L628] 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] [L632] 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] [L767] int retValue_acc ; [L770] retValue_acc = methaneLevelCritical [L771] 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] [L632] 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] [L632] retValue_acc = isMethaneLevelCritical() [L634] 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] [L592] 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] [L592] tmp = isMethaneAlarm() [L594] 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] [L600] 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] [L561] 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] [L564] 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] [L579] 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] [L600] 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] [L541] 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] [L547] 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] [L919] int tmp ; [L920] 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] [L924] 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] [L799] int retValue_acc ; [L802] retValue_acc = waterLevel [L803] 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] [L924] 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] [L924] tmp = getWaterLevel() [L926] 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] [L928] 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] [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] 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] [L928] 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] [L928] tmp___0 = isPumpRunning() [L930] 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] [L932] 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] [L722] __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, 145 locations, 1 error locations. UNSAFE Result, 5.2s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1452 SDtfs, 1817 SDslu, 4266 SDs, 0 SdLazy, 4592 SolverSat, 1122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 643 GetRequests, 518 SyntacticMatches, 4 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1391occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 667 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1411 NumberOfCodeBlocks, 1411 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1213 ConstructedInterpolants, 0 QuantifiedInterpolants, 204096 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3163 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 184/214 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...