./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42_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_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/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 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-09 10:13:07,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:13:07,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:13:07,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:13:07,054 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:13:07,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:13:07,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:13:07,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:13:07,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:13:07,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:13:07,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:13:07,059 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:13:07,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:13:07,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:13:07,061 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:13:07,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:13:07,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:13:07,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:13:07,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:13:07,066 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:13:07,067 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:13:07,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:13:07,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:13:07,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:13:07,070 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:13:07,071 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:13:07,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:13:07,072 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:13:07,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:13:07,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:13:07,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:13:07,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:13:07,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:13:07,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:13:07,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:13:07,075 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:13:07,076 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 10:13:07,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:13:07,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:13:07,086 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:13:07,086 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:13:07,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:13:07,087 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:13:07,087 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:13:07,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:13:07,087 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:13:07,087 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:13:07,088 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:13:07,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:13:07,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:13:07,088 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:13:07,088 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:13:07,088 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:13:07,088 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:13:07,089 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:13:07,089 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:13:07,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:13:07,089 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:13:07,089 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:13:07,089 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:13:07,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:13:07,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:13:07,090 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:13:07,090 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:13:07,090 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:13:07,090 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:13:07,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:13:07,090 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_692263ce-e2c9-4bc6-af92-d0ce35589a0d/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 -> 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 [2018-12-09 10:13:07,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:13:07,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:13:07,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:13:07,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:13:07,124 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:13:07,124 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c [2018-12-09 10:13:07,163 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/data/9b78d0848/acbefc4ec5ec47e1b8bda61a3e5d4a20/FLAGf183cfe49 [2018-12-09 10:13:07,578 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:13:07,578 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c [2018-12-09 10:13:07,584 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/data/9b78d0848/acbefc4ec5ec47e1b8bda61a3e5d4a20/FLAGf183cfe49 [2018-12-09 10:13:07,592 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/data/9b78d0848/acbefc4ec5ec47e1b8bda61a3e5d4a20 [2018-12-09 10:13:07,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:13:07,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:13:07,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:13:07,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:13:07,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:13:07,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07, skipping insertion in model container [2018-12-09 10:13:07,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:13:07,635 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:13:07,806 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:13:07,847 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:13:07,887 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:13:07,902 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:13:07,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07 WrapperNode [2018-12-09 10:13:07,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:13:07,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:13:07,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:13:07,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:13:07,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:13:07,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:13:07,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:13:07,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:13:07,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... [2018-12-09 10:13:07,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:13:07,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:13:07,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:13:07,945 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:13:07,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/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 [2018-12-09 10:13:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:13:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:13:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:13:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:13:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:13:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 10:13:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 10:13:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:13:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 10:13:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 10:13:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 10:13:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 10:13:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:13:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:13:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:13:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:13:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:13:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:13:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:13:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 10:13:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 10:13:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 10:13:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:13:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:13:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:13:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:13:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:13:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:13:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:13:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:13:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:13:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 10:13:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 10:13:08,257 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:13:08,257 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:13:08,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:13:08 BoogieIcfgContainer [2018-12-09 10:13:08,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:13:08,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:13:08,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:13:08,260 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:13:08,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:13:07" (1/3) ... [2018-12-09 10:13:08,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c027ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:13:08, skipping insertion in model container [2018-12-09 10:13:08,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:13:07" (2/3) ... [2018-12-09 10:13:08,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c027ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:13:08, skipping insertion in model container [2018-12-09 10:13:08,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:13:08" (3/3) ... [2018-12-09 10:13:08,262 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42_false-unreach-call_false-termination.cil.c [2018-12-09 10:13:08,268 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:13:08,273 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:13:08,282 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:13:08,299 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:13:08,299 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:13:08,300 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:13:08,300 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:13:08,300 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:13:08,300 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:13:08,300 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:13:08,300 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:13:08,300 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:13:08,312 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-12-09 10:13:08,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:13:08,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:08,317 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] [2018-12-09 10:13:08,319 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:08,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:08,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1563751973, now seen corresponding path program 1 times [2018-12-09 10:13:08,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:08,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:08,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:08,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:08,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:08,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:13:08,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:13:08,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:13:08,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:13:08,477 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-12-09 10:13:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:08,498 INFO L93 Difference]: Finished difference Result 242 states and 299 transitions. [2018-12-09 10:13:08,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:13:08,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 10:13:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:08,506 INFO L225 Difference]: With dead ends: 242 [2018-12-09 10:13:08,506 INFO L226 Difference]: Without dead ends: 121 [2018-12-09 10:13:08,508 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 [2018-12-09 10:13:08,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-09 10:13:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-09 10:13:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-09 10:13:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2018-12-09 10:13:08,538 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 46 [2018-12-09 10:13:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:08,539 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2018-12-09 10:13:08,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:13:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2018-12-09 10:13:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 10:13:08,541 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:08,541 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] [2018-12-09 10:13:08,541 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:08,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:08,541 INFO L82 PathProgramCache]: Analyzing trace with hash 785919818, now seen corresponding path program 1 times [2018-12-09 10:13:08,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:08,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:08,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:08,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:08,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:08,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:13:08,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:13:08,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:13:08,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:13:08,606 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2018-12-09 10:13:08,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:08,621 INFO L93 Difference]: Finished difference Result 187 states and 217 transitions. [2018-12-09 10:13:08,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:13:08,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 10:13:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:08,622 INFO L225 Difference]: With dead ends: 187 [2018-12-09 10:13:08,622 INFO L226 Difference]: Without dead ends: 112 [2018-12-09 10:13:08,623 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 [2018-12-09 10:13:08,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-12-09 10:13:08,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-12-09 10:13:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-09 10:13:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2018-12-09 10:13:08,631 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 47 [2018-12-09 10:13:08,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:08,631 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2018-12-09 10:13:08,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:13:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2018-12-09 10:13:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:13:08,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:08,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:13:08,633 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:08,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:08,633 INFO L82 PathProgramCache]: Analyzing trace with hash -757338889, now seen corresponding path program 1 times [2018-12-09 10:13:08,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:08,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:08,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:08,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:08,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:08,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:13:08,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:13:08,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:13:08,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:13:08,705 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 7 states. [2018-12-09 10:13:08,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:08,824 INFO L93 Difference]: Finished difference Result 200 states and 235 transitions. [2018-12-09 10:13:08,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:13:08,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 10:13:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:08,825 INFO L225 Difference]: With dead ends: 200 [2018-12-09 10:13:08,825 INFO L226 Difference]: Without dead ends: 112 [2018-12-09 10:13:08,826 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 [2018-12-09 10:13:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-12-09 10:13:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-12-09 10:13:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-09 10:13:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2018-12-09 10:13:08,832 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 52 [2018-12-09 10:13:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:08,833 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2018-12-09 10:13:08,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:13:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2018-12-09 10:13:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 10:13:08,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:08,834 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] [2018-12-09 10:13:08,834 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:08,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:08,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1328849458, now seen corresponding path program 1 times [2018-12-09 10:13:08,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:08,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:08,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:08,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:08,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:08,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:13:08,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:13:08,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:13:08,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:13:08,888 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 5 states. [2018-12-09 10:13:09,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:09,144 INFO L93 Difference]: Finished difference Result 290 states and 347 transitions. [2018-12-09 10:13:09,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:13:09,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-12-09 10:13:09,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:09,147 INFO L225 Difference]: With dead ends: 290 [2018-12-09 10:13:09,147 INFO L226 Difference]: Without dead ends: 202 [2018-12-09 10:13:09,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:13:09,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-12-09 10:13:09,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 183. [2018-12-09 10:13:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-12-09 10:13:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 209 transitions. [2018-12-09 10:13:09,169 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 209 transitions. Word has length 60 [2018-12-09 10:13:09,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:09,170 INFO L480 AbstractCegarLoop]: Abstraction has 183 states and 209 transitions. [2018-12-09 10:13:09,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:13:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 209 transitions. [2018-12-09 10:13:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 10:13:09,171 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:09,172 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:13:09,172 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:09,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:09,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1343404140, now seen corresponding path program 1 times [2018-12-09 10:13:09,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:09,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:09,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:09,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:09,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:09,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:13:09,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:13:09,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:13:09,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:13:09,250 INFO L87 Difference]: Start difference. First operand 183 states and 209 transitions. Second operand 6 states. [2018-12-09 10:13:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:09,364 INFO L93 Difference]: Finished difference Result 486 states and 574 transitions. [2018-12-09 10:13:09,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:13:09,364 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2018-12-09 10:13:09,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:09,366 INFO L225 Difference]: With dead ends: 486 [2018-12-09 10:13:09,366 INFO L226 Difference]: Without dead ends: 327 [2018-12-09 10:13:09,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:13:09,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-12-09 10:13:09,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 321. [2018-12-09 10:13:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-09 10:13:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 368 transitions. [2018-12-09 10:13:09,385 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 368 transitions. Word has length 74 [2018-12-09 10:13:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:09,386 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 368 transitions. [2018-12-09 10:13:09,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:13:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 368 transitions. [2018-12-09 10:13:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 10:13:09,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:09,387 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:13:09,387 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:09,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:09,387 INFO L82 PathProgramCache]: Analyzing trace with hash -385772688, now seen corresponding path program 1 times [2018-12-09 10:13:09,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:09,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:09,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:09,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:09,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:09,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:13:09,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:13:09,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:13:09,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:13:09,448 INFO L87 Difference]: Start difference. First operand 321 states and 368 transitions. Second operand 7 states. [2018-12-09 10:13:09,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:09,725 INFO L93 Difference]: Finished difference Result 356 states and 421 transitions. [2018-12-09 10:13:09,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 10:13:09,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2018-12-09 10:13:09,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:09,727 INFO L225 Difference]: With dead ends: 356 [2018-12-09 10:13:09,727 INFO L226 Difference]: Without dead ends: 353 [2018-12-09 10:13:09,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:13:09,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-12-09 10:13:09,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 321. [2018-12-09 10:13:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-09 10:13:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 367 transitions. [2018-12-09 10:13:09,749 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 367 transitions. Word has length 78 [2018-12-09 10:13:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:09,749 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 367 transitions. [2018-12-09 10:13:09,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:13:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 367 transitions. [2018-12-09 10:13:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 10:13:09,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:09,751 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 10:13:09,751 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:09,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:09,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1576837971, now seen corresponding path program 1 times [2018-12-09 10:13:09,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:09,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:09,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:09,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 10:13:09,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:09,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:13:09,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:13:09,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:13:09,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:13:09,815 INFO L87 Difference]: Start difference. First operand 321 states and 367 transitions. Second operand 6 states. [2018-12-09 10:13:09,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:09,843 INFO L93 Difference]: Finished difference Result 632 states and 738 transitions. [2018-12-09 10:13:09,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:13:09,843 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-09 10:13:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:09,845 INFO L225 Difference]: With dead ends: 632 [2018-12-09 10:13:09,845 INFO L226 Difference]: Without dead ends: 335 [2018-12-09 10:13:09,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:13:09,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-12-09 10:13:09,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 331. [2018-12-09 10:13:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-12-09 10:13:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 377 transitions. [2018-12-09 10:13:09,860 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 377 transitions. Word has length 94 [2018-12-09 10:13:09,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:09,860 INFO L480 AbstractCegarLoop]: Abstraction has 331 states and 377 transitions. [2018-12-09 10:13:09,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:13:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 377 transitions. [2018-12-09 10:13:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 10:13:09,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:09,862 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 10:13:09,862 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:09,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:09,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1820736047, now seen corresponding path program 1 times [2018-12-09 10:13:09,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:09,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:09,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:09,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 10:13:09,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:09,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 10:13:09,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 10:13:09,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 10:13:09,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:13:09,934 INFO L87 Difference]: Start difference. First operand 331 states and 377 transitions. Second operand 8 states. [2018-12-09 10:13:09,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:09,957 INFO L93 Difference]: Finished difference Result 652 states and 760 transitions. [2018-12-09 10:13:09,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:13:09,957 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-09 10:13:09,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:09,959 INFO L225 Difference]: With dead ends: 652 [2018-12-09 10:13:09,959 INFO L226 Difference]: Without dead ends: 345 [2018-12-09 10:13:09,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:13:09,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-12-09 10:13:09,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 339. [2018-12-09 10:13:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-12-09 10:13:09,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 385 transitions. [2018-12-09 10:13:09,977 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 385 transitions. Word has length 94 [2018-12-09 10:13:09,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:09,977 INFO L480 AbstractCegarLoop]: Abstraction has 339 states and 385 transitions. [2018-12-09 10:13:09,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 10:13:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 385 transitions. [2018-12-09 10:13:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 10:13:09,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:09,979 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 10:13:09,979 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:09,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:09,979 INFO L82 PathProgramCache]: Analyzing trace with hash -503291792, now seen corresponding path program 1 times [2018-12-09 10:13:09,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:09,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:09,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:09,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 10:13:10,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:13:10,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:13:10,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:13:10,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:13:10,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:13:10,031 INFO L87 Difference]: Start difference. First operand 339 states and 385 transitions. Second operand 4 states. [2018-12-09 10:13:10,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:10,151 INFO L93 Difference]: Finished difference Result 999 states and 1192 transitions. [2018-12-09 10:13:10,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 10:13:10,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-09 10:13:10,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:10,154 INFO L225 Difference]: With dead ends: 999 [2018-12-09 10:13:10,154 INFO L226 Difference]: Without dead ends: 684 [2018-12-09 10:13:10,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:13:10,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2018-12-09 10:13:10,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 669. [2018-12-09 10:13:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-12-09 10:13:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 779 transitions. [2018-12-09 10:13:10,182 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 779 transitions. Word has length 94 [2018-12-09 10:13:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:10,182 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 779 transitions. [2018-12-09 10:13:10,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:13:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 779 transitions. [2018-12-09 10:13:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 10:13:10,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:10,184 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-12-09 10:13:10,184 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:10,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:10,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1178440330, now seen corresponding path program 1 times [2018-12-09 10:13:10,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:10,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:10,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:10,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:10,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 10:13:10,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:13:10,272 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/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 [2018-12-09 10:13:10,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:10,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:13:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:10,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:13:10,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 10:13:10,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 10:13:10,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 10:13:10,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:13:10,496 INFO L87 Difference]: Start difference. First operand 669 states and 779 transitions. Second operand 19 states. [2018-12-09 10:13:10,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:10,970 INFO L93 Difference]: Finished difference Result 1286 states and 1514 transitions. [2018-12-09 10:13:10,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 10:13:10,971 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 98 [2018-12-09 10:13:10,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:10,972 INFO L225 Difference]: With dead ends: 1286 [2018-12-09 10:13:10,973 INFO L226 Difference]: Without dead ends: 641 [2018-12-09 10:13:10,974 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 10:13:10,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2018-12-09 10:13:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2018-12-09 10:13:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-12-09 10:13:10,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 733 transitions. [2018-12-09 10:13:10,993 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 733 transitions. Word has length 98 [2018-12-09 10:13:10,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:10,993 INFO L480 AbstractCegarLoop]: Abstraction has 641 states and 733 transitions. [2018-12-09 10:13:10,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 10:13:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 733 transitions. [2018-12-09 10:13:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 10:13:10,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:10,995 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1] [2018-12-09 10:13:10,995 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:10,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:10,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1818604634, now seen corresponding path program 1 times [2018-12-09 10:13:10,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:13:10,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:13:10,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:10,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:10,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:13:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:13:11,085 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 10:13:11,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:13:11 BoogieIcfgContainer [2018-12-09 10:13:11,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:13:11,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:13:11,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:13:11,201 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:13:11,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:13:08" (3/4) ... [2018-12-09 10:13:11,202 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 10:13:11,306 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_692263ce-e2c9-4bc6-af92-d0ce35589a0d/bin-2019/uautomizer/witness.graphml [2018-12-09 10:13:11,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:13:11,307 INFO L168 Benchmark]: Toolchain (without parser) took 3712.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:11,307 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-09 10:13:11,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:11,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.94 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. [2018-12-09 10:13:11,308 INFO L168 Benchmark]: Boogie Preprocessor took 20.89 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. [2018-12-09 10:13:11,308 INFO L168 Benchmark]: RCFGBuilder took 312.67 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:11,308 INFO L168 Benchmark]: TraceAbstraction took 2942.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -98.3 MB). Peak memory consumption was 269.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:11,308 INFO L168 Benchmark]: Witness Printer took 105.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:11,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 307.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.94 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 20.89 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 312.67 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2942.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -98.3 MB). Peak memory consumption was 269.5 MB. Max. memory is 11.5 GB. * Witness Printer took 105.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=193, \old(head)=178, \old(head)=200, \old(methaneLevelCritical)=152, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] int retValue_acc ; [L907] 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] [L911] 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] [L912] 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] [L913] 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] [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] 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] [L913] 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] [L913] tmp = valid_product() [L915] 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] [L917] 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] [L918] 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] [L900] 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] [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] 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] [L520] 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] [L522] 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] [L528] tmp = __VERIFIER_nondet_int() [L530] 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] [L532] 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] [L431] COND TRUE waterLevel < 2 [L432] 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] [L532] 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] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] 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] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L565] 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] [L589] 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] [L596] 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] [L598] 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] [L618] 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] [L621] 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] [L623] 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] [L733] int retValue_acc ; [L734] int tmp ; [L735] 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] [L739] 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] [L493] 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] [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] 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] [L739] 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] [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] 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] [L746] retValue_acc = tmp___0 [L747] 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] [L623] 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] [L623] tmp = isHighWaterLevel() [L625] 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] [L627] 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] [L652] 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] [L656] CALL, EXPR isMethaneAlarm() 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] [L677] 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] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] 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] [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() [L683] 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] [L656] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L662] CALL activatePump__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] [L646] 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] [L662] RET activatePump__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, tmp=0, waterLevel=2] [L627] 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] [L598] 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] [L604] CALL __utac_acc__Specification1_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] [L770] int tmp ; [L771] 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] [L775] CALL, EXPR isMethaneLevelCritical() 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] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] 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=1, retValue_acc=0, systemActive=1, waterLevel=2] [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L604] RET __utac_acc__Specification1_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] [L565] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L520] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L522] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L528] tmp = __VERIFIER_nondet_int() [L530] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \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=1, tmp___1=0, tmp___2=0, waterLevel=2] [L542] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L542] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L565] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L591] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L591] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L604] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L779] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L779] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L779] tmp___0 = isPumpRunning() [L781] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L783] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 134 locations, 1 error locations. UNSAFE Result, 2.9s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1476 SDtfs, 893 SDslu, 4359 SDs, 0 SdLazy, 1810 SolverSat, 225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 134 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 969 NumberOfCodeBlocks, 969 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 824 ConstructedInterpolants, 0 QuantifiedInterpolants, 111988 SizeOfPredicates, 3 NumberOfNonLiveVariables, 747 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 13/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...