./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-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_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/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 5f4b0de905917a1846797fc2994ae6377b8a6114 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:52:10,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:52:10,214 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:52:10,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:52:10,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:52:10,221 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:52:10,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:52:10,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:52:10,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:52:10,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:52:10,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:52:10,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:52:10,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:52:10,225 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:52:10,226 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:52:10,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:52:10,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:52:10,228 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:52:10,229 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:52:10,230 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:52:10,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:52:10,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:52:10,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:52:10,232 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:52:10,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:52:10,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:52:10,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:52:10,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:52:10,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:52:10,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:52:10,235 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:52:10,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:52:10,235 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:52:10,235 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:52:10,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:52:10,236 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:52:10,236 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:52:10,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:52:10,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:52:10,244 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:52:10,244 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:52:10,244 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:52:10,245 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:52:10,245 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:52:10,245 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:52:10,245 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:52:10,245 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:52:10,245 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:52:10,245 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:52:10,245 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:52:10,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:52:10,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:52:10,246 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:52:10,246 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:52:10,246 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:52:10,246 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:52:10,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:52:10,247 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:52:10,247 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:52:10,247 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:52:10,247 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:52:10,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:52:10,247 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:52:10,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:52:10,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:52:10,249 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:52:10,249 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_5398964e-d108-471a-a72a-d9b58c581efb/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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-12-03 07:52:10,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:52:10,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:52:10,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:52:10,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:52:10,276 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:52:10,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-03 07:52:10,312 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/data/0dd48dabf/e8e0c269ceb94995be764fdd261c22e7/FLAG549213e78 [2018-12-03 07:52:10,770 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:52:10,770 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-03 07:52:10,776 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/data/0dd48dabf/e8e0c269ceb94995be764fdd261c22e7/FLAG549213e78 [2018-12-03 07:52:10,784 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/data/0dd48dabf/e8e0c269ceb94995be764fdd261c22e7 [2018-12-03 07:52:10,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:52:10,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:52:10,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:52:10,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:52:10,789 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:52:10,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:52:10" (1/1) ... [2018-12-03 07:52:10,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1493550d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:10, skipping insertion in model container [2018-12-03 07:52:10,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:52:10" (1/1) ... [2018-12-03 07:52:10,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:52:10,816 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:52:10,963 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:52:10,971 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:52:11,046 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:52:11,062 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:52:11,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11 WrapperNode [2018-12-03 07:52:11,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:52:11,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:52:11,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:52:11,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:52:11,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:52:11,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:52:11,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:52:11,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:52:11,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... [2018-12-03 07:52:11,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:52:11,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:52:11,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:52:11,108 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:52:11,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/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 [2018-12-03 07:52:11,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 07:52:11,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 07:52:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:52:11,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:52:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 07:52:11,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 07:52:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 07:52:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 07:52:11,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 07:52:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 07:52:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 07:52:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 07:52:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 07:52:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 07:52:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 07:52:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 07:52:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 07:52:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 07:52:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 07:52:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:52:11,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:52:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:52:11,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:52:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 07:52:11,150 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 07:52:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 07:52:11,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 07:52:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 07:52:11,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 07:52:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 07:52:11,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 07:52:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 07:52:11,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 07:52:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 07:52:11,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 07:52:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 07:52:11,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 07:52:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 07:52:11,152 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 07:52:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 07:52:11,152 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 07:52:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 07:52:11,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 07:52:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 07:52:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 07:52:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 07:52:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 07:52:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 07:52:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 07:52:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 07:52:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 07:52:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 07:52:11,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 07:52:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 07:52:11,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 07:52:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 07:52:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:52:11,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:52:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 07:52:11,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 07:52:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 07:52:11,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 07:52:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:52:11,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:52:11,468 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:52:11,468 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 07:52:11,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:52:11 BoogieIcfgContainer [2018-12-03 07:52:11,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:52:11,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:52:11,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:52:11,471 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:52:11,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:52:10" (1/3) ... [2018-12-03 07:52:11,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed7e74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:52:11, skipping insertion in model container [2018-12-03 07:52:11,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:52:11" (2/3) ... [2018-12-03 07:52:11,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed7e74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:52:11, skipping insertion in model container [2018-12-03 07:52:11,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:52:11" (3/3) ... [2018-12-03 07:52:11,473 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-03 07:52:11,479 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:52:11,484 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:52:11,494 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:52:11,513 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:52:11,513 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:52:11,513 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:52:11,513 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:52:11,513 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:52:11,513 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:52:11,513 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:52:11,513 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:52:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-12-03 07:52:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 07:52:11,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:11,530 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] [2018-12-03 07:52:11,532 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:11,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:11,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1250052594, now seen corresponding path program 1 times [2018-12-03 07:52:11,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:11,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:11,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:11,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:11,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:11,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:11,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 07:52:11,681 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:11,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 07:52:11,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 07:52:11,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 07:52:11,693 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-12-03 07:52:11,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:11,717 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2018-12-03 07:52:11,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 07:52:11,718 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 07:52:11,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:11,725 INFO L225 Difference]: With dead ends: 300 [2018-12-03 07:52:11,725 INFO L226 Difference]: Without dead ends: 152 [2018-12-03 07:52:11,728 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 [2018-12-03 07:52:11,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-03 07:52:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-03 07:52:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-03 07:52:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-12-03 07:52:11,758 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2018-12-03 07:52:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:11,758 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-12-03 07:52:11,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 07:52:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-12-03 07:52:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 07:52:11,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:11,760 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] [2018-12-03 07:52:11,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:11,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:11,761 INFO L82 PathProgramCache]: Analyzing trace with hash -269928811, now seen corresponding path program 1 times [2018-12-03 07:52:11,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:11,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:11,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:11,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:11,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:11,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:11,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:52:11,815 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:11,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:52:11,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:52:11,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:52:11,816 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-12-03 07:52:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:11,830 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2018-12-03 07:52:11,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:52:11,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 07:52:11,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:11,832 INFO L225 Difference]: With dead ends: 245 [2018-12-03 07:52:11,832 INFO L226 Difference]: Without dead ends: 143 [2018-12-03 07:52:11,833 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 [2018-12-03 07:52:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-03 07:52:11,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-03 07:52:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-03 07:52:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-03 07:52:11,841 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2018-12-03 07:52:11,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:11,841 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-03 07:52:11,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:52:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-03 07:52:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 07:52:11,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:11,842 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] [2018-12-03 07:52:11,842 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:11,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:11,843 INFO L82 PathProgramCache]: Analyzing trace with hash 670016897, now seen corresponding path program 1 times [2018-12-03 07:52:11,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:11,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:11,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:11,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:11,843 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:11,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:11,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:52:11,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:11,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:52:11,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:52:11,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:52:11,936 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-12-03 07:52:12,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:12,155 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-12-03 07:52:12,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 07:52:12,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-03 07:52:12,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:12,158 INFO L225 Difference]: With dead ends: 258 [2018-12-03 07:52:12,158 INFO L226 Difference]: Without dead ends: 143 [2018-12-03 07:52:12,159 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 [2018-12-03 07:52:12,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-03 07:52:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-03 07:52:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-03 07:52:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-12-03 07:52:12,170 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2018-12-03 07:52:12,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:12,171 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-12-03 07:52:12,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:52:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-12-03 07:52:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-03 07:52:12,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:12,173 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] [2018-12-03 07:52:12,174 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:12,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:12,174 INFO L82 PathProgramCache]: Analyzing trace with hash -54842405, now seen corresponding path program 1 times [2018-12-03 07:52:12,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:12,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:12,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:12,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:12,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:12,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:12,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:52:12,268 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:12,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:52:12,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:52:12,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:52:12,269 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2018-12-03 07:52:12,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:12,570 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2018-12-03 07:52:12,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 07:52:12,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-03 07:52:12,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:12,572 INFO L225 Difference]: With dead ends: 367 [2018-12-03 07:52:12,572 INFO L226 Difference]: Without dead ends: 252 [2018-12-03 07:52:12,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 07:52:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-12-03 07:52:12,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2018-12-03 07:52:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-12-03 07:52:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2018-12-03 07:52:12,589 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2018-12-03 07:52:12,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:12,590 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2018-12-03 07:52:12,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:52:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2018-12-03 07:52:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 07:52:12,591 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:12,591 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, 1] [2018-12-03 07:52:12,591 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:12,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:12,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1190541314, now seen corresponding path program 1 times [2018-12-03 07:52:12,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:12,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:12,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:12,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:12,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:12,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:12,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:52:12,659 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:12,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:52:12,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:52:12,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:52:12,660 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2018-12-03 07:52:12,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:12,776 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2018-12-03 07:52:12,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:52:12,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-03 07:52:12,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:12,779 INFO L225 Difference]: With dead ends: 625 [2018-12-03 07:52:12,779 INFO L226 Difference]: Without dead ends: 420 [2018-12-03 07:52:12,779 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 [2018-12-03 07:52:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-12-03 07:52:12,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2018-12-03 07:52:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-12-03 07:52:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2018-12-03 07:52:12,819 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2018-12-03 07:52:12,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:12,820 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2018-12-03 07:52:12,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:52:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2018-12-03 07:52:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-03 07:52:12,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:12,821 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, 1, 1, 1, 1, 1] [2018-12-03 07:52:12,821 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:12,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:12,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1720134146, now seen corresponding path program 1 times [2018-12-03 07:52:12,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:12,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:12,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:12,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:12,822 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:12,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:12,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:52:12,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:12,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:52:12,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:52:12,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:52:12,869 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2018-12-03 07:52:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:13,174 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2018-12-03 07:52:13,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 07:52:13,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-03 07:52:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:13,177 INFO L225 Difference]: With dead ends: 831 [2018-12-03 07:52:13,177 INFO L226 Difference]: Without dead ends: 445 [2018-12-03 07:52:13,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 07:52:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-12-03 07:52:13,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2018-12-03 07:52:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-12-03 07:52:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2018-12-03 07:52:13,201 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2018-12-03 07:52:13,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:13,202 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2018-12-03 07:52:13,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:52:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2018-12-03 07:52:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-03 07:52:13,203 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:13,204 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, 1, 1, 1, 1, 1, 1] [2018-12-03 07:52:13,204 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:13,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:13,204 INFO L82 PathProgramCache]: Analyzing trace with hash 32002960, now seen corresponding path program 1 times [2018-12-03 07:52:13,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:13,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:13,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:13,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:13,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:52:13,261 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:13,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:52:13,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:52:13,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:52:13,262 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2018-12-03 07:52:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:13,293 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2018-12-03 07:52:13,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 07:52:13,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-03 07:52:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:13,295 INFO L225 Difference]: With dead ends: 808 [2018-12-03 07:52:13,295 INFO L226 Difference]: Without dead ends: 423 [2018-12-03 07:52:13,296 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 [2018-12-03 07:52:13,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-12-03 07:52:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-12-03 07:52:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-12-03 07:52:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2018-12-03 07:52:13,308 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2018-12-03 07:52:13,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:13,309 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2018-12-03 07:52:13,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:52:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2018-12-03 07:52:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-03 07:52:13,309 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:13,310 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, 1, 1, 1, 1, 1, 1] [2018-12-03 07:52:13,310 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:13,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:13,310 INFO L82 PathProgramCache]: Analyzing trace with hash -40383598, now seen corresponding path program 1 times [2018-12-03 07:52:13,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:13,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:13,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:13,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:13,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 07:52:13,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:13,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 07:52:13,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 07:52:13,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 07:52:13,357 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2018-12-03 07:52:13,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:13,382 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2018-12-03 07:52:13,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:52:13,383 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-03 07:52:13,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:13,384 INFO L225 Difference]: With dead ends: 832 [2018-12-03 07:52:13,384 INFO L226 Difference]: Without dead ends: 437 [2018-12-03 07:52:13,385 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 [2018-12-03 07:52:13,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-12-03 07:52:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-12-03 07:52:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-12-03 07:52:13,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2018-12-03 07:52:13,397 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2018-12-03 07:52:13,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:13,397 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2018-12-03 07:52:13,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 07:52:13,397 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2018-12-03 07:52:13,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-03 07:52:13,398 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:13,398 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, 1, 1, 1, 1, 1, 1] [2018-12-03 07:52:13,398 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:13,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:13,398 INFO L82 PathProgramCache]: Analyzing trace with hash 289382163, now seen corresponding path program 1 times [2018-12-03 07:52:13,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:13,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:13,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:13,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:13,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 07:52:13,434 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:13,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 07:52:13,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 07:52:13,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 07:52:13,435 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2018-12-03 07:52:13,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:13,577 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2018-12-03 07:52:13,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 07:52:13,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-03 07:52:13,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:13,581 INFO L225 Difference]: With dead ends: 1306 [2018-12-03 07:52:13,581 INFO L226 Difference]: Without dead ends: 903 [2018-12-03 07:52:13,582 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 [2018-12-03 07:52:13,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-12-03 07:52:13,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2018-12-03 07:52:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2018-12-03 07:52:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2018-12-03 07:52:13,620 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2018-12-03 07:52:13,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:13,621 INFO L480 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2018-12-03 07:52:13,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 07:52:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2018-12-03 07:52:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 07:52:13,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:13,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:52:13,622 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:13,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:13,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1031306131, now seen corresponding path program 1 times [2018-12-03 07:52:13,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:13,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:13,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:13,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:52:13,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:52:13,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:13,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:52:13,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:52:13,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:52:13,651 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2018-12-03 07:52:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:13,697 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2018-12-03 07:52:13,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:52:13,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-03 07:52:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:13,701 INFO L225 Difference]: With dead ends: 898 [2018-12-03 07:52:13,701 INFO L226 Difference]: Without dead ends: 895 [2018-12-03 07:52:13,701 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 [2018-12-03 07:52:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-12-03 07:52:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2018-12-03 07:52:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-12-03 07:52:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2018-12-03 07:52:13,745 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2018-12-03 07:52:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:13,745 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2018-12-03 07:52:13,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:52:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2018-12-03 07:52:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-03 07:52:13,749 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:13,749 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 07:52:13,749 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:13,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:13,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2080725161, now seen corresponding path program 1 times [2018-12-03 07:52:13,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:13,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:13,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:13,750 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 07:52:13,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:52:13,830 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:52:13,831 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-03 07:52:13,833 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [41], [45], [46], [47], [62], [65], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [177], [181], [187], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [313], [314], [315], [317], [318], [321], [322], [323], [324], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-03 07:52:13,857 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:52:13,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:52:15,084 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:52:15,085 INFO L272 AbstractInterpreter]: Visited 105 different actions 531 times. Merged at 14 different actions 50 times. Never widened. Performed 27699 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27699 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-03 07:52:15,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:15,091 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:52:15,091 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:52:15,091 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:52:15,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:15,097 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:52:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:15,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:52:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:52:15,225 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:52:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 07:52:15,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 07:52:15,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-03 07:52:15,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:15,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:52:15,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:52:15,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 07:52:15,398 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 3 states. [2018-12-03 07:52:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:15,441 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2018-12-03 07:52:15,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:52:15,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-12-03 07:52:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:15,444 INFO L225 Difference]: With dead ends: 1249 [2018-12-03 07:52:15,444 INFO L226 Difference]: Without dead ends: 674 [2018-12-03 07:52:15,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 07:52:15,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-12-03 07:52:15,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2018-12-03 07:52:15,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-12-03 07:52:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2018-12-03 07:52:15,474 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2018-12-03 07:52:15,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:15,475 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2018-12-03 07:52:15,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:52:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2018-12-03 07:52:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-03 07:52:15,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:52:15,494 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:52:15,494 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:52:15,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:15,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1470059897, now seen corresponding path program 1 times [2018-12-03 07:52:15,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:52:15,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:15,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:15,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:52:15,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:52:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 07:52:15,616 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:52:15,617 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:52:15,617 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-12-03 07:52:15,617 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [45], [46], [47], [50], [52], [58], [62], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [174], [177], [181], [187], [216], [220], [221], [225], [228], [230], [233], [240], [243], [248], [252], [253], [256], [259], [261], [267], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [285], [286], [287], [288], [289], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [313], [314], [315], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [331], [333], [334], [335], [336], [339], [340], [341], [342], [345], [346], [347], [348] [2018-12-03 07:52:15,621 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:52:15,621 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:52:17,106 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:52:17,106 INFO L272 AbstractInterpreter]: Visited 142 different actions 1019 times. Merged at 21 different actions 91 times. Never widened. Performed 43940 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43940 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-03 07:52:17,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:52:17,108 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:52:17,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:52:17,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:52:17,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:52:17,114 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:52:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:52:17,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:52:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 07:52:17,273 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:52:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 07:52:17,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 07:52:17,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 07:52:17,591 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:52:17,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 07:52:17,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 07:52:17,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 07:52:17,591 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 8 states. [2018-12-03 07:52:17,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:17,751 INFO L93 Difference]: Finished difference Result 1221 states and 1378 transitions. [2018-12-03 07:52:17,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:52:17,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2018-12-03 07:52:17,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:17,752 INFO L225 Difference]: With dead ends: 1221 [2018-12-03 07:52:17,752 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 07:52:17,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 07:52:17,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 07:52:17,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 07:52:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 07:52:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 07:52:17,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-12-03 07:52:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:17,754 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 07:52:17,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 07:52:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 07:52:17,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 07:52:17,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 07:52:17,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:18,153 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2018-12-03 07:52:18,257 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-12-03 07:52:18,446 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-12-03 07:52:20,513 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2018-12-03 07:52:20,513 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,514 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,514 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,514 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,514 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 07:52:20,514 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L451 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2018-12-03 07:52:20,515 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,515 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L451 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-12-03 07:52:20,515 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 (< ~methaneLevelCritical~0 1) .cse2 .cse0))) [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3))) [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1))) [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L444 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse2) .cse3) (or .cse4 .cse3 .cse5) (or .cse2 .cse0 (or .cse3 .cse5)) (or .cse1 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 07:52:20,516 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3 .cse0))) [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse5 .cse1 .cse3) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-12-03 07:52:20,516 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2018-12-03 07:52:20,517 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L444 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L444 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-03 07:52:20,517 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-12-03 07:52:20,517 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:52:20,517 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-03 07:52:20,518 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:52:20,518 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2018-12-03 07:52:20,519 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or .cse4 .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse3) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-03 07:52:20,519 INFO L448 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or .cse8 .cse0 .cse9 .cse3 .cse5) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-12-03 07:52:20,520 INFO L444 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-03 07:52:20,520 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-03 07:52:20,520 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-03 07:52:20,521 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-12-03 07:52:20,521 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)) (or (or .cse1 .cse2 .cse3) .cse0))) [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse1 .cse2) .cse3 .cse5) (or .cse3 .cse6 (or .cse4 .cse1) .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-03 07:52:20,521 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 07:52:20,522 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-12-03 07:52:20,522 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-03 07:52:20,522 INFO L448 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2018-12-03 07:52:20,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:52:20 BoogieIcfgContainer [2018-12-03 07:52:20,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:52:20,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:52:20,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:52:20,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:52:20,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:52:11" (3/4) ... [2018-12-03 07:52:20,535 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:52:20,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 07:52:20,539 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 07:52:20,543 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-03 07:52:20,544 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 07:52:20,544 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 07:52:20,544 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 07:52:20,545 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 07:52:20,545 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 07:52:20,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-03 07:52:20,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 07:52:20,593 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5398964e-d108-471a-a72a-d9b58c581efb/bin-2019/utaipan/witness.graphml [2018-12-03 07:52:20,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:52:20,593 INFO L168 Benchmark]: Toolchain (without parser) took 9807.08 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 618.1 MB). Free memory was 948.1 MB in the beginning and 976.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 589.4 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:20,594 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:52:20,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:20,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:52:20,594 INFO L168 Benchmark]: Boogie Preprocessor took 23.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:20,595 INFO L168 Benchmark]: RCFGBuilder took 360.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:20,595 INFO L168 Benchmark]: TraceAbstraction took 9062.96 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 524.8 MB). Free memory was 1.0 GB in the beginning and 993.0 MB in the end (delta: 30.5 MB). Peak memory consumption was 834.2 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:20,595 INFO L168 Benchmark]: Witness Printer took 60.78 ms. Allocated memory is still 1.6 GB. Free memory was 993.0 MB in the beginning and 976.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:20,596 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 360.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9062.96 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 524.8 MB). Free memory was 1.0 GB in the beginning and 993.0 MB in the end (delta: 30.5 MB). Peak memory consumption was 834.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.78 ms. Allocated memory is still 1.6 GB. Free memory was 993.0 MB in the beginning and 976.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 9.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2318 SDtfs, 1234 SDslu, 4482 SDs, 0 SdLazy, 1398 SolverSat, 327 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 712 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 547 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1684 PreInvPairs, 1743 NumberOfFragments, 2830 HoareAnnotationTreeSize, 1684 FomulaSimplifications, 6161 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 8650 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1792 ConstructedInterpolants, 0 QuantifiedInterpolants, 374635 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1875 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 298/318 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...