./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49fa497f38e3a46185ee804b3f30fdc119cb200c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:02:42,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:02:42,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:02:42,251 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:02:42,252 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:02:42,252 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:02:42,253 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:02:42,254 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:02:42,255 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:02:42,256 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:02:42,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:02:42,257 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:02:42,258 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:02:42,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:02:42,259 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:02:42,260 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:02:42,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:02:42,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:02:42,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:02:42,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:02:42,264 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:02:42,265 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:02:42,267 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:02:42,267 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:02:42,267 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:02:42,268 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:02:42,268 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:02:42,269 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:02:42,270 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:02:42,270 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:02:42,270 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:02:42,271 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:02:42,271 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:02:42,271 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:02:42,272 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:02:42,272 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:02:42,272 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 19:02:42,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:02:42,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:02:42,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:02:42,284 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:02:42,284 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:02:42,284 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:02:42,284 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:02:42,284 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 19:02:42,284 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:02:42,285 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:02:42,285 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 19:02:42,285 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 19:02:42,285 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:02:42,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:02:42,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:02:42,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:02:42,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:02:42,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:02:42,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:02:42,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:02:42,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:02:42,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:02:42,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:02:42,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:02:42,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:02:42,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:02:42,288 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 19:02:42,288 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49fa497f38e3a46185ee804b3f30fdc119cb200c [2018-12-08 19:02:42,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:02:42,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:02:42,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:02:42,319 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:02:42,319 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:02:42,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-08 19:02:42,354 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/data/8801dc430/3e961ad1761d4bbc9c5ecc8d0b01d6ec/FLAGadc9492d1 [2018-12-08 19:02:42,810 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:02:42,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-08 19:02:42,817 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/data/8801dc430/3e961ad1761d4bbc9c5ecc8d0b01d6ec/FLAGadc9492d1 [2018-12-08 19:02:42,825 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/data/8801dc430/3e961ad1761d4bbc9c5ecc8d0b01d6ec [2018-12-08 19:02:42,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:02:42,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:02:42,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:02:42,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:02:42,831 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:02:42,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:02:42" (1/1) ... [2018-12-08 19:02:42,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:42, skipping insertion in model container [2018-12-08 19:02:42,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:02:42" (1/1) ... [2018-12-08 19:02:42,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:02:42,865 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:02:43,021 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:02:43,062 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:02:43,111 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:02:43,125 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:02:43,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43 WrapperNode [2018-12-08 19:02:43,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:02:43,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:02:43,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:02:43,126 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:02:43,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:02:43,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:02:43,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:02:43,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:02:43,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... [2018-12-08 19:02:43,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:02:43,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:02:43,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:02:43,166 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:02:43,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:02:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 19:02:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 19:02:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:02:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:02:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 19:02:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 19:02:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:02:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 19:02:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 19:02:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 19:02:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 19:02:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 19:02:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:02:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:02:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 19:02:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 19:02:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 19:02:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 19:02:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 19:02:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 19:02:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 19:02:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 19:02:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 19:02:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 19:02:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 19:02:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 19:02:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:02:43,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:02:43,484 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:02:43,484 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 19:02:43,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:02:43 BoogieIcfgContainer [2018-12-08 19:02:43,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:02:43,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:02:43,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:02:43,487 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:02:43,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:02:42" (1/3) ... [2018-12-08 19:02:43,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a051398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:02:43, skipping insertion in model container [2018-12-08 19:02:43,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:43" (2/3) ... [2018-12-08 19:02:43,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a051398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:02:43, skipping insertion in model container [2018-12-08 19:02:43,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:02:43" (3/3) ... [2018-12-08 19:02:43,489 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-08 19:02:43,495 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:02:43,499 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:02:43,508 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:02:43,526 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:02:43,526 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:02:43,526 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:02:43,526 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:02:43,526 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:02:43,526 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:02:43,526 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:02:43,526 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:02:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-12-08 19:02:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:02:43,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:43,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:43,545 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:43,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:43,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1536210686, now seen corresponding path program 1 times [2018-12-08 19:02:43,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:43,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:43,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:43,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:43,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:43,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:43,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:02:43,691 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:43,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:02:43,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:02:43,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:02:43,703 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-12-08 19:02:43,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:43,725 INFO L93 Difference]: Finished difference Result 242 states and 299 transitions. [2018-12-08 19:02:43,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:02:43,726 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 19:02:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:43,733 INFO L225 Difference]: With dead ends: 242 [2018-12-08 19:02:43,733 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 19:02:43,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:02:43,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 19:02:43,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 19:02:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 19:02:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-08 19:02:43,765 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 51 [2018-12-08 19:02:43,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:43,765 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-08 19:02:43,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:02:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-08 19:02:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 19:02:43,767 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:43,767 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] [2018-12-08 19:02:43,767 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:43,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:43,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1301224456, now seen corresponding path program 1 times [2018-12-08 19:02:43,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:43,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:43,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:43,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:43,769 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:43,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:43,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:02:43,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:43,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:02:43,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:02:43,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:43,826 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2018-12-08 19:02:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:43,837 INFO L93 Difference]: Finished difference Result 178 states and 207 transitions. [2018-12-08 19:02:43,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:02:43,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 19:02:43,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:43,839 INFO L225 Difference]: With dead ends: 178 [2018-12-08 19:02:43,839 INFO L226 Difference]: Without dead ends: 114 [2018-12-08 19:02:43,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:43,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-08 19:02:43,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-08 19:02:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-08 19:02:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-12-08 19:02:43,847 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 52 [2018-12-08 19:02:43,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:43,847 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-12-08 19:02:43,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:02:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-12-08 19:02:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 19:02:43,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:43,849 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:43,849 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:43,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:43,849 INFO L82 PathProgramCache]: Analyzing trace with hash -824255371, now seen corresponding path program 1 times [2018-12-08 19:02:43,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:43,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:43,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:43,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:43,850 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:43,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:43,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:02:43,912 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:43,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:02:43,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:02:43,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:02:43,913 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 7 states. [2018-12-08 19:02:44,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:44,177 INFO L93 Difference]: Finished difference Result 337 states and 407 transitions. [2018-12-08 19:02:44,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:02:44,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 19:02:44,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:44,179 INFO L225 Difference]: With dead ends: 337 [2018-12-08 19:02:44,180 INFO L226 Difference]: Without dead ends: 251 [2018-12-08 19:02:44,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:02:44,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-12-08 19:02:44,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 227. [2018-12-08 19:02:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-12-08 19:02:44,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 272 transitions. [2018-12-08 19:02:44,205 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 272 transitions. Word has length 57 [2018-12-08 19:02:44,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:44,205 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 272 transitions. [2018-12-08 19:02:44,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:02:44,205 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 272 transitions. [2018-12-08 19:02:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 19:02:44,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:44,208 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:44,208 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:44,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:44,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1248728457, now seen corresponding path program 1 times [2018-12-08 19:02:44,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:44,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:44,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:44,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:44,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:02:44,288 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:44,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:02:44,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:02:44,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:02:44,289 INFO L87 Difference]: Start difference. First operand 227 states and 272 transitions. Second operand 6 states. [2018-12-08 19:02:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:44,413 INFO L93 Difference]: Finished difference Result 607 states and 750 transitions. [2018-12-08 19:02:44,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:02:44,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-08 19:02:44,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:44,415 INFO L225 Difference]: With dead ends: 607 [2018-12-08 19:02:44,415 INFO L226 Difference]: Without dead ends: 408 [2018-12-08 19:02:44,416 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 [2018-12-08 19:02:44,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-12-08 19:02:44,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 402. [2018-12-08 19:02:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-12-08 19:02:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 484 transitions. [2018-12-08 19:02:44,436 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 484 transitions. Word has length 62 [2018-12-08 19:02:44,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:44,437 INFO L480 AbstractCegarLoop]: Abstraction has 402 states and 484 transitions. [2018-12-08 19:02:44,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:02:44,437 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 484 transitions. [2018-12-08 19:02:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 19:02:44,438 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:44,438 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:44,439 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:44,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:44,439 INFO L82 PathProgramCache]: Analyzing trace with hash -184549563, now seen corresponding path program 1 times [2018-12-08 19:02:44,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:44,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:44,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,440 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:44,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:44,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:02:44,515 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:44,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:02:44,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:02:44,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:02:44,516 INFO L87 Difference]: Start difference. First operand 402 states and 484 transitions. Second operand 7 states. [2018-12-08 19:02:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:44,828 INFO L93 Difference]: Finished difference Result 1059 states and 1368 transitions. [2018-12-08 19:02:44,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:02:44,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-08 19:02:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:44,831 INFO L225 Difference]: With dead ends: 1059 [2018-12-08 19:02:44,831 INFO L226 Difference]: Without dead ends: 685 [2018-12-08 19:02:44,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 19:02:44,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2018-12-08 19:02:44,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 599. [2018-12-08 19:02:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2018-12-08 19:02:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 721 transitions. [2018-12-08 19:02:44,857 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 721 transitions. Word has length 66 [2018-12-08 19:02:44,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:44,858 INFO L480 AbstractCegarLoop]: Abstraction has 599 states and 721 transitions. [2018-12-08 19:02:44,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:02:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 721 transitions. [2018-12-08 19:02:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 19:02:44,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:44,859 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:44,859 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:44,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1396837609, now seen corresponding path program 1 times [2018-12-08 19:02:44,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:44,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:44,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:44,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:44,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:02:44,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:44,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:02:44,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:02:44,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:02:44,897 INFO L87 Difference]: Start difference. First operand 599 states and 721 transitions. Second operand 6 states. [2018-12-08 19:02:44,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:44,951 INFO L93 Difference]: Finished difference Result 1190 states and 1456 transitions. [2018-12-08 19:02:44,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:02:44,951 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 19:02:44,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:44,954 INFO L225 Difference]: With dead ends: 1190 [2018-12-08 19:02:44,954 INFO L226 Difference]: Without dead ends: 619 [2018-12-08 19:02:44,956 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 [2018-12-08 19:02:44,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-12-08 19:02:44,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2018-12-08 19:02:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-12-08 19:02:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 741 transitions. [2018-12-08 19:02:44,989 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 741 transitions. Word has length 84 [2018-12-08 19:02:44,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:44,989 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 741 transitions. [2018-12-08 19:02:44,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:02:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 741 transitions. [2018-12-08 19:02:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 19:02:44,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:44,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:44,991 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:44,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:44,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1511926293, now seen corresponding path program 1 times [2018-12-08 19:02:44,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:44,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:44,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:44,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:45,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:45,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:02:45,047 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:45,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:02:45,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:02:45,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:02:45,048 INFO L87 Difference]: Start difference. First operand 619 states and 741 transitions. Second operand 8 states. [2018-12-08 19:02:45,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:45,095 INFO L93 Difference]: Finished difference Result 1238 states and 1526 transitions. [2018-12-08 19:02:45,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:02:45,095 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-08 19:02:45,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:45,098 INFO L225 Difference]: With dead ends: 1238 [2018-12-08 19:02:45,098 INFO L226 Difference]: Without dead ends: 647 [2018-12-08 19:02:45,099 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 [2018-12-08 19:02:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2018-12-08 19:02:45,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 635. [2018-12-08 19:02:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2018-12-08 19:02:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 757 transitions. [2018-12-08 19:02:45,119 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 757 transitions. Word has length 84 [2018-12-08 19:02:45,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:45,120 INFO L480 AbstractCegarLoop]: Abstraction has 635 states and 757 transitions. [2018-12-08 19:02:45,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:02:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 757 transitions. [2018-12-08 19:02:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 19:02:45,121 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:45,121 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:45,121 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:45,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:45,121 INFO L82 PathProgramCache]: Analyzing trace with hash 599364076, now seen corresponding path program 1 times [2018-12-08 19:02:45,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:45,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:45,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:45,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:45,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:45,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:45,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:02:45,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:45,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 19:02:45,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 19:02:45,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:02:45,160 INFO L87 Difference]: Start difference. First operand 635 states and 757 transitions. Second operand 4 states. [2018-12-08 19:02:45,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:45,315 INFO L93 Difference]: Finished difference Result 2081 states and 2604 transitions. [2018-12-08 19:02:45,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:02:45,316 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-12-08 19:02:45,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:45,321 INFO L225 Difference]: With dead ends: 2081 [2018-12-08 19:02:45,321 INFO L226 Difference]: Without dead ends: 1474 [2018-12-08 19:02:45,323 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 [2018-12-08 19:02:45,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2018-12-08 19:02:45,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1443. [2018-12-08 19:02:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2018-12-08 19:02:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1755 transitions. [2018-12-08 19:02:45,385 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1755 transitions. Word has length 84 [2018-12-08 19:02:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:45,385 INFO L480 AbstractCegarLoop]: Abstraction has 1443 states and 1755 transitions. [2018-12-08 19:02:45,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 19:02:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1755 transitions. [2018-12-08 19:02:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 19:02:45,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:45,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:45,387 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:45,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:45,387 INFO L82 PathProgramCache]: Analyzing trace with hash -993730714, now seen corresponding path program 1 times [2018-12-08 19:02:45,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:45,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:45,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:45,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:45,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:45,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:45,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:02:45,432 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:02:45,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:02:45,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:02:45,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:45,432 INFO L87 Difference]: Start difference. First operand 1443 states and 1755 transitions. Second operand 3 states. [2018-12-08 19:02:45,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:45,485 INFO L93 Difference]: Finished difference Result 2210 states and 2765 transitions. [2018-12-08 19:02:45,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:02:45,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2018-12-08 19:02:45,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:45,493 INFO L225 Difference]: With dead ends: 2210 [2018-12-08 19:02:45,493 INFO L226 Difference]: Without dead ends: 2207 [2018-12-08 19:02:45,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:45,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2018-12-08 19:02:45,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 1837. [2018-12-08 19:02:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2018-12-08 19:02:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2298 transitions. [2018-12-08 19:02:45,571 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2298 transitions. Word has length 88 [2018-12-08 19:02:45,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:45,572 INFO L480 AbstractCegarLoop]: Abstraction has 1837 states and 2298 transitions. [2018-12-08 19:02:45,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:02:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2298 transitions. [2018-12-08 19:02:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 19:02:45,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:45,576 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:45,576 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:45,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:45,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1996942234, now seen corresponding path program 1 times [2018-12-08 19:02:45,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:02:45,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:45,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:45,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:45,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:02:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:02:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:02:45,672 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 19:02:45,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:02:45 BoogieIcfgContainer [2018-12-08 19:02:45,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:02:45,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:02:45,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:02:45,770 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:02:45,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:02:43" (3/4) ... [2018-12-08 19:02:45,772 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 19:02:45,882 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ecfad0df-59be-4d62-a296-4007dfa7dd8b/bin-2019/utaipan/witness.graphml [2018-12-08 19:02:45,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:02:45,883 INFO L168 Benchmark]: Toolchain (without parser) took 3055.40 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 953.5 MB in the beginning and 1.3 GB in the end (delta: -322.5 MB). Peak memory consumption was 359.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:45,884 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:02:45,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:45,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:02:45,885 INFO L168 Benchmark]: Boogie Preprocessor took 20.30 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:45,885 INFO L168 Benchmark]: RCFGBuilder took 319.45 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:45,885 INFO L168 Benchmark]: TraceAbstraction took 2284.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 823.4 MB in the end (delta: 271.8 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:45,885 INFO L168 Benchmark]: Witness Printer took 112.94 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 97.5 MB). Free memory was 823.4 MB in the beginning and 1.3 GB in the end (delta: -452.5 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2018-12-08 19:02:45,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.30 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.45 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2284.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 823.4 MB in the end (delta: 271.8 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. * Witness Printer took 112.94 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 97.5 MB). Free memory was 823.4 MB in the beginning and 1.3 GB in the end (delta: -452.5 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 900]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=198, \old(head)=200, \old(head)=182, \old(methAndRunningLastTime)=188, \old(methaneLevelCritical)=151, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] int retValue_acc ; [L624] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L629] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L630] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L630] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L634] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L635] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L910] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L837] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L839] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L849] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L859] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L859] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L688] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L791] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L791] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L693] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L716] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L697] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L674] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L924] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L924] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L674] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L837] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L839] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L661] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L661] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L674] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L924] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L924] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L927] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L929] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 136 locations, 1 error locations. UNSAFE Result, 2.2s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1339 SDtfs, 799 SDslu, 2890 SDs, 0 SdLazy, 790 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1837occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 529 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 619 ConstructedInterpolants, 0 QuantifiedInterpolants, 72985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...