./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_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_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/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 59e8ffce74c1b6945f19c84278937c63a4a3dd33 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:07:54,137 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:07:54,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:07:54,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:07:54,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:07:54,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:07:54,146 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:07:54,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:07:54,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:07:54,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:07:54,150 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:07:54,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:07:54,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:07:54,151 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:07:54,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:07:54,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:07:54,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:07:54,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:07:54,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:07:54,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:07:54,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:07:54,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:07:54,159 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:07:54,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:07:54,160 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:07:54,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:07:54,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:07:54,161 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:07:54,162 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:07:54,163 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:07:54,163 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:07:54,163 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:07:54,163 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:07:54,164 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:07:54,164 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:07:54,164 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:07:54,165 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:07:54,174 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:07:54,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:07:54,175 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:07:54,175 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:07:54,175 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:07:54,175 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:07:54,175 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:07:54,176 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:07:54,176 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:07:54,176 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:07:54,176 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:07:54,176 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:07:54,176 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:07:54,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:07:54,176 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:07:54,177 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:07:54,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:07:54,178 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:07:54,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:07:54,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:07:54,179 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:07:54,179 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_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2018-12-09 15:07:54,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:07:54,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:07:54,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:07:54,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:07:54,210 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:07:54,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-09 15:07:54,245 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/data/00f502218/b500ea1001774613bed706ec723ce209/FLAG80180ca29 [2018-12-09 15:07:54,637 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:07:54,637 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-09 15:07:54,643 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/data/00f502218/b500ea1001774613bed706ec723ce209/FLAG80180ca29 [2018-12-09 15:07:54,651 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/data/00f502218/b500ea1001774613bed706ec723ce209 [2018-12-09 15:07:54,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:07:54,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:07:54,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:07:54,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:07:54,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:07:54,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54, skipping insertion in model container [2018-12-09 15:07:54,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:07:54,683 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:07:54,869 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:07:54,879 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:07:54,928 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:07:54,943 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:07:54,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54 WrapperNode [2018-12-09 15:07:54,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:07:54,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:07:54,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:07:54,944 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:07:54,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:07:54,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:07:54,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:07:54,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:07:54,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... [2018-12-09 15:07:54,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:07:54,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:07:54,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:07:54,986 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:07:54,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/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 [2018-12-09 15:07:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 15:07:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 15:07:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:07:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 15:07:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 15:07:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 15:07:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 15:07:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 15:07:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 15:07:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 15:07:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 15:07:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 15:07:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 15:07:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 15:07:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:07:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:07:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 15:07:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 15:07:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 15:07:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 15:07:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 15:07:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 15:07:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:07:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:07:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:07:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 15:07:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 15:07:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:07:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:07:55,340 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:07:55,340 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 15:07:55,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:55 BoogieIcfgContainer [2018-12-09 15:07:55,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:07:55,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:07:55,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:07:55,343 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:07:55,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:07:54" (1/3) ... [2018-12-09 15:07:55,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691fbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:07:55, skipping insertion in model container [2018-12-09 15:07:55,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:54" (2/3) ... [2018-12-09 15:07:55,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691fbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:07:55, skipping insertion in model container [2018-12-09 15:07:55,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:55" (3/3) ... [2018-12-09 15:07:55,345 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-09 15:07:55,351 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:07:55,356 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:07:55,366 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:07:55,385 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:07:55,385 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:07:55,385 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:07:55,385 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:07:55,386 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:07:55,386 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:07:55,386 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:07:55,386 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:07:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-12-09 15:07:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 15:07:55,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:55,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:07:55,405 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:55,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:55,409 INFO L82 PathProgramCache]: Analyzing trace with hash -2001401742, now seen corresponding path program 1 times [2018-12-09 15:07:55,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:55,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:55,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:55,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:55,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:07:55,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:55,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:07:55,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:07:55,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:07:55,561 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-12-09 15:07:55,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:55,587 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-12-09 15:07:55,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:07:55,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 15:07:55,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:55,595 INFO L225 Difference]: With dead ends: 306 [2018-12-09 15:07:55,595 INFO L226 Difference]: Without dead ends: 153 [2018-12-09 15:07:55,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:07:55,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-09 15:07:55,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-12-09 15:07:55,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-12-09 15:07:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-12-09 15:07:55,628 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2018-12-09 15:07:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:55,628 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-12-09 15:07:55,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:07:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-12-09 15:07:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 15:07:55,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:55,630 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] [2018-12-09 15:07:55,630 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:55,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:55,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1725615412, now seen corresponding path program 1 times [2018-12-09 15:07:55,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:55,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:55,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:55,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:55,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:07:55,686 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:55,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:07:55,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:07:55,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:07:55,688 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-12-09 15:07:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:55,703 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2018-12-09 15:07:55,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:07:55,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 15:07:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:55,705 INFO L225 Difference]: With dead ends: 251 [2018-12-09 15:07:55,705 INFO L226 Difference]: Without dead ends: 144 [2018-12-09 15:07:55,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:07:55,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-09 15:07:55,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-09 15:07:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-09 15:07:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-12-09 15:07:55,714 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2018-12-09 15:07:55,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:55,714 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-12-09 15:07:55,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:07:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-12-09 15:07:55,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 15:07:55,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:55,715 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] [2018-12-09 15:07:55,715 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:55,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:55,715 INFO L82 PathProgramCache]: Analyzing trace with hash -625581009, now seen corresponding path program 1 times [2018-12-09 15:07:55,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:55,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:55,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:55,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:55,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:07:55,796 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:55,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:07:55,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:07:55,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:07:55,797 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-12-09 15:07:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:55,962 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-12-09 15:07:55,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 15:07:55,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 15:07:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:55,964 INFO L225 Difference]: With dead ends: 264 [2018-12-09 15:07:55,964 INFO L226 Difference]: Without dead ends: 144 [2018-12-09 15:07:55,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:07:55,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-09 15:07:55,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-09 15:07:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-09 15:07:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-09 15:07:55,973 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2018-12-09 15:07:55,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:55,973 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-09 15:07:55,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:07:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-09 15:07:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 15:07:55,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:55,975 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] [2018-12-09 15:07:55,975 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:55,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:55,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1965916871, now seen corresponding path program 1 times [2018-12-09 15:07:55,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:55,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:55,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:55,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:56,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:56,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:07:56,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:56,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:07:56,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:07:56,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:07:56,031 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-12-09 15:07:56,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:56,341 INFO L93 Difference]: Finished difference Result 383 states and 463 transitions. [2018-12-09 15:07:56,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:07:56,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-09 15:07:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:56,343 INFO L225 Difference]: With dead ends: 383 [2018-12-09 15:07:56,343 INFO L226 Difference]: Without dead ends: 263 [2018-12-09 15:07:56,344 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 [2018-12-09 15:07:56,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-12-09 15:07:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 244. [2018-12-09 15:07:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-12-09 15:07:56,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 277 transitions. [2018-12-09 15:07:56,359 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 277 transitions. Word has length 76 [2018-12-09 15:07:56,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:56,359 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 277 transitions. [2018-12-09 15:07:56,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:07:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 277 transitions. [2018-12-09 15:07:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 15:07:56,360 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:56,361 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] [2018-12-09 15:07:56,361 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:56,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:56,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1982144752, now seen corresponding path program 1 times [2018-12-09 15:07:56,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:56,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:56,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:56,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:56,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:56,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:07:56,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:56,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:07:56,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:07:56,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:07:56,429 INFO L87 Difference]: Start difference. First operand 244 states and 277 transitions. Second operand 6 states. [2018-12-09 15:07:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:56,544 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2018-12-09 15:07:56,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:07:56,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-12-09 15:07:56,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:56,547 INFO L225 Difference]: With dead ends: 591 [2018-12-09 15:07:56,547 INFO L226 Difference]: Without dead ends: 371 [2018-12-09 15:07:56,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:07:56,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-12-09 15:07:56,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-12-09 15:07:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-09 15:07:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 422 transitions. [2018-12-09 15:07:56,574 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 422 transitions. Word has length 90 [2018-12-09 15:07:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:56,575 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 422 transitions. [2018-12-09 15:07:56,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:07:56,575 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 422 transitions. [2018-12-09 15:07:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 15:07:56,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:56,576 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] [2018-12-09 15:07:56,576 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:56,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:56,577 INFO L82 PathProgramCache]: Analyzing trace with hash 685565194, now seen corresponding path program 1 times [2018-12-09 15:07:56,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:56,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:56,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,578 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:56,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:56,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:07:56,638 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:56,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:07:56,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:07:56,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:07:56,638 INFO L87 Difference]: Start difference. First operand 367 states and 422 transitions. Second operand 6 states. [2018-12-09 15:07:56,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:56,797 INFO L93 Difference]: Finished difference Result 802 states and 959 transitions. [2018-12-09 15:07:56,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:07:56,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-09 15:07:56,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:56,799 INFO L225 Difference]: With dead ends: 802 [2018-12-09 15:07:56,799 INFO L226 Difference]: Without dead ends: 582 [2018-12-09 15:07:56,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:07:56,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2018-12-09 15:07:56,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2018-12-09 15:07:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-09 15:07:56,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 664 transitions. [2018-12-09 15:07:56,821 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 664 transitions. Word has length 94 [2018-12-09 15:07:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:56,821 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 664 transitions. [2018-12-09 15:07:56,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:07:56,821 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 664 transitions. [2018-12-09 15:07:56,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 15:07:56,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:56,822 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] [2018-12-09 15:07:56,823 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:56,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:56,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1250095093, now seen corresponding path program 1 times [2018-12-09 15:07:56,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:56,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:56,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,824 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:56,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:56,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:07:56,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:56,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:07:56,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:07:56,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:07:56,867 INFO L87 Difference]: Start difference. First operand 564 states and 664 transitions. Second operand 5 states. [2018-12-09 15:07:56,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:56,888 INFO L93 Difference]: Finished difference Result 991 states and 1193 transitions. [2018-12-09 15:07:56,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 15:07:56,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-12-09 15:07:56,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:56,890 INFO L225 Difference]: With dead ends: 991 [2018-12-09 15:07:56,890 INFO L226 Difference]: Without dead ends: 574 [2018-12-09 15:07:56,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:07:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-09 15:07:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2018-12-09 15:07:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-12-09 15:07:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 667 transitions. [2018-12-09 15:07:56,909 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 667 transitions. Word has length 94 [2018-12-09 15:07:56,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:56,909 INFO L480 AbstractCegarLoop]: Abstraction has 568 states and 667 transitions. [2018-12-09 15:07:56,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:07:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 667 transitions. [2018-12-09 15:07:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 15:07:56,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:56,911 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] [2018-12-09 15:07:56,911 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:56,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:56,911 INFO L82 PathProgramCache]: Analyzing trace with hash -590563571, now seen corresponding path program 1 times [2018-12-09 15:07:56,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:56,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:56,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:56,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:56,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:56,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:07:56,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:56,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:07:56,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:07:56,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:07:56,983 INFO L87 Difference]: Start difference. First operand 568 states and 667 transitions. Second operand 9 states. [2018-12-09 15:07:57,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:57,029 INFO L93 Difference]: Finished difference Result 1116 states and 1338 transitions. [2018-12-09 15:07:57,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:07:57,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-12-09 15:07:57,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:57,032 INFO L225 Difference]: With dead ends: 1116 [2018-12-09 15:07:57,032 INFO L226 Difference]: Without dead ends: 572 [2018-12-09 15:07:57,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:07:57,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-09 15:07:57,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-12-09 15:07:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-12-09 15:07:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 663 transitions. [2018-12-09 15:07:57,060 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 663 transitions. Word has length 94 [2018-12-09 15:07:57,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:57,061 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 663 transitions. [2018-12-09 15:07:57,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:07:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 663 transitions. [2018-12-09 15:07:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:07:57,062 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:57,062 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] [2018-12-09 15:07:57,062 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:57,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:57,063 INFO L82 PathProgramCache]: Analyzing trace with hash -312273476, now seen corresponding path program 1 times [2018-12-09 15:07:57,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:57,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:57,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:57,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:57,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:07:57,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:07:57,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 15:07:57,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:57,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 15:07:57,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 15:07:57,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:07:57,156 INFO L87 Difference]: Start difference. First operand 566 states and 663 transitions. Second operand 10 states. [2018-12-09 15:07:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:57,289 INFO L93 Difference]: Finished difference Result 1114 states and 1308 transitions. [2018-12-09 15:07:57,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 15:07:57,289 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-12-09 15:07:57,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:57,290 INFO L225 Difference]: With dead ends: 1114 [2018-12-09 15:07:57,291 INFO L226 Difference]: Without dead ends: 572 [2018-12-09 15:07:57,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 15:07:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-09 15:07:57,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 551. [2018-12-09 15:07:57,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2018-12-09 15:07:57,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 628 transitions. [2018-12-09 15:07:57,306 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 628 transitions. Word has length 95 [2018-12-09 15:07:57,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:57,307 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 628 transitions. [2018-12-09 15:07:57,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 15:07:57,307 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 628 transitions. [2018-12-09 15:07:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 15:07:57,308 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:57,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:07:57,308 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:57,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:57,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1398386727, now seen corresponding path program 1 times [2018-12-09 15:07:57,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:57,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:57,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:57,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:57,309 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 15:07:57,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:07:57,363 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:07:57,364 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-12-09 15:07:57,365 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-09 15:07:57,388 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:07:57,388 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:07:57,615 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 15:07:57,616 INFO L272 AbstractInterpreter]: Visited 61 different actions 61 times. Never merged. Never widened. Performed 2081 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2081 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 15:07:57,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:57,622 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 15:07:57,789 INFO L227 lantSequenceWeakener]: Weakened 72 states. On average, predicates are now at 96.41% of their original sizes. [2018-12-09 15:07:57,789 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 15:07:57,880 INFO L418 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-12-09 15:07:57,880 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 15:07:57,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 15:07:57,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-12-09 15:07:57,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:07:57,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 15:07:57,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 15:07:57,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-12-09 15:07:57,882 INFO L87 Difference]: Start difference. First operand 551 states and 628 transitions. Second operand 16 states. [2018-12-09 15:07:59,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:07:59,548 INFO L93 Difference]: Finished difference Result 1148 states and 1318 transitions. [2018-12-09 15:07:59,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 15:07:59,549 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 139 [2018-12-09 15:07:59,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:07:59,551 INFO L225 Difference]: With dead ends: 1148 [2018-12-09 15:07:59,551 INFO L226 Difference]: Without dead ends: 621 [2018-12-09 15:07:59,552 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2018-12-09 15:07:59,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2018-12-09 15:07:59,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 619. [2018-12-09 15:07:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-12-09 15:07:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 702 transitions. [2018-12-09 15:07:59,578 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 702 transitions. Word has length 139 [2018-12-09 15:07:59,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:07:59,579 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 702 transitions. [2018-12-09 15:07:59,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 15:07:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 702 transitions. [2018-12-09 15:07:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 15:07:59,581 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:07:59,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:07:59,581 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:07:59,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:59,581 INFO L82 PathProgramCache]: Analyzing trace with hash 267209549, now seen corresponding path program 1 times [2018-12-09 15:07:59,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:07:59,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:59,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:07:59,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:07:59,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:07:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:07:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 15:07:59,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:07:59,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:07:59,634 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-09 15:07:59,634 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-09 15:07:59,637 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:07:59,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:07:59,922 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 15:07:59,922 INFO L272 AbstractInterpreter]: Visited 66 different actions 99 times. Merged at 6 different actions 6 times. Never widened. Performed 5308 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5308 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 15:07:59,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:07:59,923 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 15:08:00,093 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 96.41% of their original sizes. [2018-12-09 15:08:00,093 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 15:08:00,196 INFO L418 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-12-09 15:08:00,196 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 15:08:00,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 15:08:00,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-12-09 15:08:00,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:08:00,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 15:08:00,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 15:08:00,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-12-09 15:08:00,197 INFO L87 Difference]: Start difference. First operand 619 states and 702 transitions. Second operand 19 states. [2018-12-09 15:08:02,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:08:02,702 INFO L93 Difference]: Finished difference Result 1116 states and 1292 transitions. [2018-12-09 15:08:02,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 15:08:02,702 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 143 [2018-12-09 15:08:02,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:08:02,704 INFO L225 Difference]: With dead ends: 1116 [2018-12-09 15:08:02,704 INFO L226 Difference]: Without dead ends: 717 [2018-12-09 15:08:02,705 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-12-09 15:08:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-12-09 15:08:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 706. [2018-12-09 15:08:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2018-12-09 15:08:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 799 transitions. [2018-12-09 15:08:02,724 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 799 transitions. Word has length 143 [2018-12-09 15:08:02,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:08:02,724 INFO L480 AbstractCegarLoop]: Abstraction has 706 states and 799 transitions. [2018-12-09 15:08:02,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 15:08:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 799 transitions. [2018-12-09 15:08:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 15:08:02,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:08:02,726 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:08:02,726 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:08:02,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:08:02,726 INFO L82 PathProgramCache]: Analyzing trace with hash -752833622, now seen corresponding path program 1 times [2018-12-09 15:08:02,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:08:02,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:08:02,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:08:02,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:08:02,727 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:08:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:08:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:08:02,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:08:02,766 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:08:02,767 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-09 15:08:02,767 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-09 15:08:02,768 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:08:02,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:08:02,994 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 15:08:02,994 INFO L272 AbstractInterpreter]: Visited 99 different actions 123 times. Merged at 6 different actions 6 times. Never widened. Performed 6819 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6819 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 15:08:02,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:08:02,997 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 15:08:02,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:08:02,997 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/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 [2018-12-09 15:08:03,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:08:03,006 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 15:08:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:08:03,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:08:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:08:03,200 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 15:08:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:08:03,443 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 15:08:03,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-09 15:08:03,443 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 15:08:03,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 15:08:03,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 15:08:03,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-09 15:08:03,444 INFO L87 Difference]: Start difference. First operand 706 states and 799 transitions. Second operand 15 states. [2018-12-09 15:08:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:08:05,059 INFO L93 Difference]: Finished difference Result 2258 states and 3062 transitions. [2018-12-09 15:08:05,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 15:08:05,060 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2018-12-09 15:08:05,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:08:05,060 INFO L225 Difference]: With dead ends: 2258 [2018-12-09 15:08:05,060 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:08:05,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 276 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 15:08:05,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:08:05,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:08:05,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:08:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:08:05,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2018-12-09 15:08:05,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:08:05,064 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:08:05,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 15:08:05,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:08:05,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:08:05,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:08:05,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:05,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:08:06,110 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-12-09 15:08:06,386 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2018-12-09 15:08:06,816 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2018-12-09 15:08:07,207 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-12-09 15:08:07,475 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-12-09 15:08:08,391 WARN L180 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2018-12-09 15:08:08,466 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-12-09 15:08:08,466 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-12-09 15:08:08,466 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2018-12-09 15:08:08,466 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,466 INFO L444 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-12-09 15:08:08,466 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2018-12-09 15:08:08,467 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,467 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,467 INFO L444 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,467 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2018-12-09 15:08:08,467 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2018-12-09 15:08:08,467 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2018-12-09 15:08:08,467 INFO L448 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-12-09 15:08:08,467 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2018-12-09 15:08:08,467 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2018-12-09 15:08:08,467 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2018-12-09 15:08:08,467 INFO L451 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-12-09 15:08:08,467 INFO L448 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-12-09 15:08:08,468 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L451 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2018-12-09 15:08:08,468 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 15:08:08,469 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-12-09 15:08:08,469 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,469 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:08:08,469 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-09 15:08:08,469 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L451 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2018-12-09 15:08:08,470 INFO L448 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-12-09 15:08:08,471 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-12-09 15:08:08,471 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 .cse1 .cse7 .cse2 .cse8) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (and .cse9 (= 0 ~pumpRunning~0) .cse6) (and .cse9 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse9 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-12-09 15:08:08,471 INFO L451 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2018-12-09 15:08:08,472 INFO L451 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L451 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L444 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2018-12-09 15:08:08,472 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) .cse3 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1))) [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-12-09 15:08:08,472 INFO L448 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2018-12-09 15:08:08,473 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse1 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse6 .cse3))) [2018-12-09 15:08:08,473 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-12-09 15:08:08,473 INFO L448 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2018-12-09 15:08:08,473 INFO L451 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2018-12-09 15:08:08,473 INFO L448 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2018-12-09 15:08:08,473 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-12-09 15:08:08,473 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-09 15:08:08,473 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-09 15:08:08,473 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2018-12-09 15:08:08,473 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2018-12-09 15:08:08,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:08:08,474 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 15:08:08,474 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:08:08,474 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:08:08,474 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 15:08:08,474 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-12-09 15:08:08,474 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:08:08,474 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-12-09 15:08:08,474 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 15:08:08,474 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse1 (not (= ~waterLevel~0 2))))) [2018-12-09 15:08:08,474 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-12-09 15:08:08,475 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 15:08:08,475 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-12-09 15:08:08,475 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-12-09 15:08:08,475 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2018-12-09 15:08:08,475 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse0 .cse1))) [2018-12-09 15:08:08,475 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2018-12-09 15:08:08,475 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-09 15:08:08,475 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-09 15:08:08,475 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< 2 |old(~waterLevel~0)|) .cse4 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse4 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse0 .cse1 .cse6) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse6 .cse4 .cse1))) [2018-12-09 15:08:08,475 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2018-12-09 15:08:08,476 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2018-12-09 15:08:08,476 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2018-12-09 15:08:08,476 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2018-12-09 15:08:08,476 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-09 15:08:08,476 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2018-12-09 15:08:08,476 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 15:08:08,476 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 15:08:08,476 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-12-09 15:08:08,476 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:08:08,476 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:08:08,476 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-12-09 15:08:08,476 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:08:08,476 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-09 15:08:08,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:08:08 BoogieIcfgContainer [2018-12-09 15:08:08,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:08:08,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:08:08,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:08:08,485 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:08:08,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:55" (3/4) ... [2018-12-09 15:08:08,489 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:08:08,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 15:08:08,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 15:08:08,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:08:08,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 15:08:08,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 15:08:08,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:08:08,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 15:08:08,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 15:08:08,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 15:08:08,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 15:08:08,498 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-09 15:08:08,498 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 15:08:08,499 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 15:08:08,499 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 15:08:08,500 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 15:08:08,500 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:08:08,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 15:08:08,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 15:08:08,546 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8d0cfe2e-a74c-44a2-bbaa-0d37337af869/bin-2019/utaipan/witness.graphml [2018-12-09 15:08:08,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:08:08,547 INFO L168 Benchmark]: Toolchain (without parser) took 13893.51 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 529.5 MB). Free memory was 945.9 MB in the beginning and 1.4 GB in the end (delta: -407.4 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. [2018-12-09 15:08:08,547 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 15:08:08,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:08:08,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.99 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:08:08,548 INFO L168 Benchmark]: Boogie Preprocessor took 21.42 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:08:08,548 INFO L168 Benchmark]: RCFGBuilder took 354.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:08:08,548 INFO L168 Benchmark]: TraceAbstraction took 13144.41 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 434.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -339.8 MB). Peak memory consumption was 666.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:08:08,549 INFO L168 Benchmark]: Witness Printer took 61.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:08:08,550 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.99 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.42 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 354.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13144.41 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 434.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -339.8 MB). Peak memory consumption was 666.6 MB. Max. memory is 11.5 GB. * Witness Printer took 61.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 6.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2286 SDtfs, 2114 SDslu, 8881 SDs, 0 SdLazy, 4278 SolverSat, 1153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 720 GetRequests, 562 SyntacticMatches, 14 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9978379165016361 AbsIntWeakeningRatio, 0.9071428571428571 AbsIntAvgWeakeningVarsNumRemoved, 42.9 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 87 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2419 PreInvPairs, 2818 NumberOfFragments, 2031 HoareAnnotationTreeSize, 2419 FomulaSimplifications, 7600 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 69 FomulaSimplificationsInter, 22680 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1274 NumberOfCodeBlocks, 1274 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 255676 SizeOfPredicates, 7 NumberOfNonLiveVariables, 852 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 135/155 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...