./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/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 4f6c889e7a16ef76fe9fccec0743002e303bbe32 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:32:27,184 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:32:27,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:32:27,193 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:32:27,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:32:27,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:32:27,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:32:27,196 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:32:27,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:32:27,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:32:27,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:32:27,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:32:27,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:32:27,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:32:27,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:32:27,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:32:27,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:32:27,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:32:27,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:32:27,206 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:32:27,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:32:27,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:32:27,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:32:27,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:32:27,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:32:27,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:32:27,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:32:27,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:32:27,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:32:27,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:32:27,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:32:27,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:32:27,213 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:32:27,213 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:32:27,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:32:27,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:32:27,214 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:32:27,227 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:32:27,227 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:32:27,228 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:32:27,228 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:32:27,228 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:32:27,229 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:32:27,229 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:32:27,229 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:32:27,229 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:32:27,229 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:32:27,229 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:32:27,229 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:32:27,229 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:32:27,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:32:27,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:32:27,231 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:32:27,231 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:32:27,231 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:32:27,231 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:32:27,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:32:27,232 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:32:27,232 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:32:27,232 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:32:27,232 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:32:27,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:32:27,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:32:27,232 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:32:27,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:32:27,233 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:32:27,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:32:27,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:32:27,233 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:32:27,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:32:27,233 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:32:27,234 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:32:27,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:32:27,234 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:32:27,234 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_ac480172-c3ef-419b-aa11-4dcfedc5dff5/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 -> 4f6c889e7a16ef76fe9fccec0743002e303bbe32 [2018-11-18 17:32:27,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:32:27,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:32:27,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:32:27,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:32:27,274 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:32:27,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-11-18 17:32:27,308 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/data/d5f18a1e9/5aa7ee02c4594c4dbe12db4facfa98e0/FLAG38bb4b3b8 [2018-11-18 17:32:27,674 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:32:27,674 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-11-18 17:32:27,683 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/data/d5f18a1e9/5aa7ee02c4594c4dbe12db4facfa98e0/FLAG38bb4b3b8 [2018-11-18 17:32:27,694 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/data/d5f18a1e9/5aa7ee02c4594c4dbe12db4facfa98e0 [2018-11-18 17:32:27,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:32:27,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:32:27,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:32:27,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:32:27,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:32:27,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:32:27" (1/1) ... [2018-11-18 17:32:27,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:27, skipping insertion in model container [2018-11-18 17:32:27,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:32:27" (1/1) ... [2018-11-18 17:32:27,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:32:27,746 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:32:27,943 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:32:27,951 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:32:28,045 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:32:28,066 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:32:28,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28 WrapperNode [2018-11-18 17:32:28,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:32:28,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:32:28,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:32:28,067 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:32:28,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:32:28,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:32:28,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:32:28,088 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:32:28,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... [2018-11-18 17:32:28,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:32:28,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:32:28,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:32:28,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:32:28,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/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 [2018-11-18 17:32:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:32:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:32:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:32:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:32:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 17:32:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 17:32:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:32:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:32:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:32:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:32:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:32:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:32:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:32:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:32:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:32:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:32:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:32:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 17:32:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 17:32:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:32:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:32:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 17:32:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:32:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:32:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:32:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 17:32:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 17:32:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:32:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:32:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:32:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:32:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:32:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:32:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:32:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:32:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:32:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:32:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:32:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:32:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:32:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:32:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:32:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:32:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:32:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:32:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:32:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:32:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:32:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:32:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:32:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:32:28,578 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:32:28,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:28 BoogieIcfgContainer [2018-11-18 17:32:28,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:32:28,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:32:28,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:32:28,581 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:32:28,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:32:27" (1/3) ... [2018-11-18 17:32:28,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d9cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:32:28, skipping insertion in model container [2018-11-18 17:32:28,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:28" (2/3) ... [2018-11-18 17:32:28,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d9cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:32:28, skipping insertion in model container [2018-11-18 17:32:28,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:28" (3/3) ... [2018-11-18 17:32:28,583 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-11-18 17:32:28,589 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:32:28,594 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:32:28,603 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:32:28,626 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:32:28,626 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:32:28,626 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:32:28,626 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:32:28,626 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:32:28,627 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:32:28,627 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:32:28,627 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:32:28,641 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-11-18 17:32:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 17:32:28,648 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:28,649 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:28,651 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:28,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash 497017282, now seen corresponding path program 1 times [2018-11-18 17:32:28,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:28,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:28,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:28,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:28,687 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:28,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:28,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:32:28,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:28,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:32:28,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:32:28,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:32:28,877 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-11-18 17:32:28,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:28,908 INFO L93 Difference]: Finished difference Result 312 states and 385 transitions. [2018-11-18 17:32:28,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:32:28,909 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 17:32:28,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:28,918 INFO L225 Difference]: With dead ends: 312 [2018-11-18 17:32:28,919 INFO L226 Difference]: Without dead ends: 158 [2018-11-18 17:32:28,922 INFO L604 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 [2018-11-18 17:32:28,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-11-18 17:32:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-11-18 17:32:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-11-18 17:32:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 186 transitions. [2018-11-18 17:32:28,960 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 186 transitions. Word has length 59 [2018-11-18 17:32:28,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:28,961 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 186 transitions. [2018-11-18 17:32:28,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:32:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 186 transitions. [2018-11-18 17:32:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 17:32:28,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:28,964 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:28,964 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:28,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:28,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1835641660, now seen corresponding path program 1 times [2018-11-18 17:32:28,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:28,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:28,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:28,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:28,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:29,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:29,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:32:29,049 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:29,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:32:29,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:32:29,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:32:29,051 INFO L87 Difference]: Start difference. First operand 158 states and 186 transitions. Second operand 3 states. [2018-11-18 17:32:29,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:29,075 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2018-11-18 17:32:29,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:32:29,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 17:32:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:29,078 INFO L225 Difference]: With dead ends: 259 [2018-11-18 17:32:29,078 INFO L226 Difference]: Without dead ends: 148 [2018-11-18 17:32:29,079 INFO L604 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 [2018-11-18 17:32:29,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-18 17:32:29,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-18 17:32:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-18 17:32:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2018-11-18 17:32:29,093 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 61 [2018-11-18 17:32:29,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:29,093 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2018-11-18 17:32:29,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:32:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2018-11-18 17:32:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 17:32:29,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:29,095 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:29,095 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:29,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:29,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1273017792, now seen corresponding path program 1 times [2018-11-18 17:32:29,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:29,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:29,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:29,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:29,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:29,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:29,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:32:29,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:29,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:32:29,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:32:29,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:32:29,249 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 7 states. [2018-11-18 17:32:29,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:29,566 INFO L93 Difference]: Finished difference Result 268 states and 319 transitions. [2018-11-18 17:32:29,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:32:29,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 17:32:29,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:29,568 INFO L225 Difference]: With dead ends: 268 [2018-11-18 17:32:29,568 INFO L226 Difference]: Without dead ends: 148 [2018-11-18 17:32:29,569 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:32:29,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-18 17:32:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-18 17:32:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-18 17:32:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2018-11-18 17:32:29,581 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 65 [2018-11-18 17:32:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:29,583 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2018-11-18 17:32:29,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:32:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2018-11-18 17:32:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 17:32:29,585 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:29,585 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:29,585 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:29,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:29,586 INFO L82 PathProgramCache]: Analyzing trace with hash 181009594, now seen corresponding path program 1 times [2018-11-18 17:32:29,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:29,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:29,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:29,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:29,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:29,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:29,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:32:29,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:29,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:32:29,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:32:29,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:32:29,680 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 5 states. [2018-11-18 17:32:30,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:30,162 INFO L93 Difference]: Finished difference Result 379 states and 459 transitions. [2018-11-18 17:32:30,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:32:30,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-18 17:32:30,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:30,164 INFO L225 Difference]: With dead ends: 379 [2018-11-18 17:32:30,164 INFO L226 Difference]: Without dead ends: 259 [2018-11-18 17:32:30,165 INFO L604 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 [2018-11-18 17:32:30,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-11-18 17:32:30,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 240. [2018-11-18 17:32:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-18 17:32:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 274 transitions. [2018-11-18 17:32:30,184 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 274 transitions. Word has length 83 [2018-11-18 17:32:30,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:30,185 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 274 transitions. [2018-11-18 17:32:30,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:32:30,185 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 274 transitions. [2018-11-18 17:32:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:32:30,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:30,187 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:30,188 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:30,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:30,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1495759178, now seen corresponding path program 1 times [2018-11-18 17:32:30,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:30,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:30,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:30,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:30,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:32:30,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:30,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:32:30,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:30,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:32:30,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:32:30,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:32:30,308 INFO L87 Difference]: Start difference. First operand 240 states and 274 transitions. Second operand 7 states. [2018-11-18 17:32:30,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:30,833 INFO L93 Difference]: Finished difference Result 470 states and 552 transitions. [2018-11-18 17:32:30,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:32:30,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2018-11-18 17:32:30,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:30,835 INFO L225 Difference]: With dead ends: 470 [2018-11-18 17:32:30,835 INFO L226 Difference]: Without dead ends: 258 [2018-11-18 17:32:30,836 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:32:30,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-11-18 17:32:30,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 239. [2018-11-18 17:32:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-11-18 17:32:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 271 transitions. [2018-11-18 17:32:30,853 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 271 transitions. Word has length 97 [2018-11-18 17:32:30,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:30,853 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 271 transitions. [2018-11-18 17:32:30,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:32:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 271 transitions. [2018-11-18 17:32:30,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 17:32:30,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:30,855 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:30,855 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:30,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:30,857 INFO L82 PathProgramCache]: Analyzing trace with hash 900052636, now seen corresponding path program 1 times [2018-11-18 17:32:30,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:30,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:30,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:30,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:30,859 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:30,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:30,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:32:30,923 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:30,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:32:30,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:32:30,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:32:30,924 INFO L87 Difference]: Start difference. First operand 239 states and 271 transitions. Second operand 6 states. [2018-11-18 17:32:30,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:30,961 INFO L93 Difference]: Finished difference Result 455 states and 525 transitions. [2018-11-18 17:32:30,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:32:30,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-18 17:32:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:30,964 INFO L225 Difference]: With dead ends: 455 [2018-11-18 17:32:30,964 INFO L226 Difference]: Without dead ends: 244 [2018-11-18 17:32:30,965 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:32:30,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-11-18 17:32:30,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-11-18 17:32:30,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-11-18 17:32:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 276 transitions. [2018-11-18 17:32:30,980 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 276 transitions. Word has length 98 [2018-11-18 17:32:30,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:30,981 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 276 transitions. [2018-11-18 17:32:30,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:32:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 276 transitions. [2018-11-18 17:32:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 17:32:30,982 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:30,982 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:30,982 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:30,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:30,982 INFO L82 PathProgramCache]: Analyzing trace with hash 827666078, now seen corresponding path program 1 times [2018-11-18 17:32:30,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:30,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:30,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:30,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:30,985 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:31,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:31,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:32:31,056 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:31,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:32:31,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:32:31,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:32:31,057 INFO L87 Difference]: Start difference. First operand 244 states and 276 transitions. Second operand 8 states. [2018-11-18 17:32:31,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:31,078 INFO L93 Difference]: Finished difference Result 467 states and 543 transitions. [2018-11-18 17:32:31,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:32:31,079 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-18 17:32:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:31,080 INFO L225 Difference]: With dead ends: 467 [2018-11-18 17:32:31,080 INFO L226 Difference]: Without dead ends: 251 [2018-11-18 17:32:31,081 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:32:31,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-11-18 17:32:31,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 248. [2018-11-18 17:32:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-11-18 17:32:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 280 transitions. [2018-11-18 17:32:31,092 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 280 transitions. Word has length 98 [2018-11-18 17:32:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:31,092 INFO L480 AbstractCegarLoop]: Abstraction has 248 states and 280 transitions. [2018-11-18 17:32:31,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:32:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 280 transitions. [2018-11-18 17:32:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 17:32:31,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:31,094 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:31,094 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:31,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:31,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1157431839, now seen corresponding path program 1 times [2018-11-18 17:32:31,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:31,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:31,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:31,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:31,095 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:31,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:31,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:32:31,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:31,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:32:31,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:32:31,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:32:31,182 INFO L87 Difference]: Start difference. First operand 248 states and 280 transitions. Second operand 4 states. [2018-11-18 17:32:31,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:31,324 INFO L93 Difference]: Finished difference Result 727 states and 861 transitions. [2018-11-18 17:32:31,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:32:31,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-18 17:32:31,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:31,327 INFO L225 Difference]: With dead ends: 727 [2018-11-18 17:32:31,327 INFO L226 Difference]: Without dead ends: 507 [2018-11-18 17:32:31,327 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:32:31,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-11-18 17:32:31,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 498. [2018-11-18 17:32:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-11-18 17:32:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 578 transitions. [2018-11-18 17:32:31,349 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 578 transitions. Word has length 98 [2018-11-18 17:32:31,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:31,350 INFO L480 AbstractCegarLoop]: Abstraction has 498 states and 578 transitions. [2018-11-18 17:32:31,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:32:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 578 transitions. [2018-11-18 17:32:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 17:32:31,352 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:31,352 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:31,352 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:31,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:31,353 INFO L82 PathProgramCache]: Analyzing trace with hash 513680069, now seen corresponding path program 1 times [2018-11-18 17:32:31,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:31,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:31,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:31,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:31,354 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:32:31,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:32:31,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:32:31,483 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:31,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:32:31,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:32:31,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:32:31,484 INFO L87 Difference]: Start difference. First operand 498 states and 578 transitions. Second operand 9 states. [2018-11-18 17:32:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:32,128 INFO L93 Difference]: Finished difference Result 1297 states and 1575 transitions. [2018-11-18 17:32:32,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:32:32,130 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2018-11-18 17:32:32,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:32,133 INFO L225 Difference]: With dead ends: 1297 [2018-11-18 17:32:32,133 INFO L226 Difference]: Without dead ends: 901 [2018-11-18 17:32:32,134 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:32:32,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2018-11-18 17:32:32,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 825. [2018-11-18 17:32:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-11-18 17:32:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 946 transitions. [2018-11-18 17:32:32,162 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 946 transitions. Word has length 102 [2018-11-18 17:32:32,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:32,163 INFO L480 AbstractCegarLoop]: Abstraction has 825 states and 946 transitions. [2018-11-18 17:32:32,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:32:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 946 transitions. [2018-11-18 17:32:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 17:32:32,165 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:32,165 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:32,165 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:32,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:32,166 INFO L82 PathProgramCache]: Analyzing trace with hash 497144016, now seen corresponding path program 1 times [2018-11-18 17:32:32,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:32,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:32,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:32,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:32,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:32:32,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:32:32,270 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:32:32,271 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-11-18 17:32:32,272 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [71], [75], [76], [77], [80], [82], [88], [92], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [134], [149], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [202], [203], [207], [210], [214], [220], [223], [227], [228], [232], [235], [237], [240], [247], [250], [253], [257], [258], [261], [264], [266], [272], [276], [279], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [302], [304], [305], [306], [307], [310], [311], [312], [313], [314], [315], [318], [319], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [337], [338], [340], [341], [342], [343], [346], [347], [348], [349], [352], [353], [354], [355] [2018-11-18 17:32:32,298 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:32:32,298 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:32:33,833 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:32:33,834 INFO L272 AbstractInterpreter]: Visited 145 different actions 887 times. Merged at 19 different actions 71 times. Never widened. Performed 30741 root evaluator evaluations with a maximum evaluation depth of 5. Performed 30741 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 17:32:33,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:33,844 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:32:33,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:32:33,844 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/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 [2018-11-18 17:32:33,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:33,851 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:32:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:33,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:32:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:32:34,130 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:32:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:32:34,458 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:32:34,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 17:32:34,458 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:32:34,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 17:32:34,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 17:32:34,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:32:34,459 INFO L87 Difference]: Start difference. First operand 825 states and 946 transitions. Second operand 16 states. [2018-11-18 17:32:35,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:35,339 INFO L93 Difference]: Finished difference Result 1822 states and 2171 transitions. [2018-11-18 17:32:35,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 17:32:35,340 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 180 [2018-11-18 17:32:35,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:35,345 INFO L225 Difference]: With dead ends: 1822 [2018-11-18 17:32:35,345 INFO L226 Difference]: Without dead ends: 1097 [2018-11-18 17:32:35,347 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 352 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 17:32:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2018-11-18 17:32:35,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 976. [2018-11-18 17:32:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2018-11-18 17:32:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1131 transitions. [2018-11-18 17:32:35,394 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1131 transitions. Word has length 180 [2018-11-18 17:32:35,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:35,394 INFO L480 AbstractCegarLoop]: Abstraction has 976 states and 1131 transitions. [2018-11-18 17:32:35,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 17:32:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1131 transitions. [2018-11-18 17:32:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-18 17:32:35,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:35,398 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:32:35,399 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:35,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:35,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1268980139, now seen corresponding path program 1 times [2018-11-18 17:32:35,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:35,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:35,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:35,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:35,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 100 proven. 9 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-18 17:32:35,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:32:35,600 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:32:35,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-11-18 17:32:35,601 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [69], [70], [71], [75], [76], [77], [80], [82], [85], [88], [92], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [134], [149], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [202], [203], [207], [210], [214], [220], [223], [227], [228], [232], [235], [237], [240], [247], [250], [253], [255], [257], [258], [261], [264], [266], [272], [276], [279], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [318], [319], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [337], [338], [340], [341], [342], [343], [346], [347], [348], [349], [352], [353], [354], [355] [2018-11-18 17:32:35,603 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:32:35,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:32:37,183 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:32:37,183 INFO L272 AbstractInterpreter]: Visited 147 different actions 1096 times. Merged at 19 different actions 86 times. Never widened. Performed 35169 root evaluator evaluations with a maximum evaluation depth of 5. Performed 35169 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-18 17:32:37,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:37,187 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:32:37,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:32:37,188 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:32:37,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:37,207 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:32:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:37,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:32:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 212 proven. 5 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 17:32:37,490 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:32:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 79 proven. 34 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 17:32:38,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:32:38,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 17:32:38,051 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:32:38,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 17:32:38,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 17:32:38,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 17:32:38,052 INFO L87 Difference]: Start difference. First operand 976 states and 1131 transitions. Second operand 18 states. [2018-11-18 17:32:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:40,061 INFO L93 Difference]: Finished difference Result 2601 states and 3197 transitions. [2018-11-18 17:32:40,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 17:32:40,061 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 305 [2018-11-18 17:32:40,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:40,065 INFO L225 Difference]: With dead ends: 2601 [2018-11-18 17:32:40,065 INFO L226 Difference]: Without dead ends: 1404 [2018-11-18 17:32:40,068 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 598 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 17:32:40,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2018-11-18 17:32:40,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1299. [2018-11-18 17:32:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2018-11-18 17:32:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1491 transitions. [2018-11-18 17:32:40,112 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1491 transitions. Word has length 305 [2018-11-18 17:32:40,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:40,112 INFO L480 AbstractCegarLoop]: Abstraction has 1299 states and 1491 transitions. [2018-11-18 17:32:40,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 17:32:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1491 transitions. [2018-11-18 17:32:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-11-18 17:32:40,117 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:32:40,117 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:32:40,117 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:32:40,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:40,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1531624157, now seen corresponding path program 1 times [2018-11-18 17:32:40,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:32:40,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:40,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:40,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:32:40,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:32:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2018-11-18 17:32:40,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:32:40,289 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:32:40,290 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 392 with the following transitions: [2018-11-18 17:32:40,290 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [57], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [75], [76], [77], [80], [82], [85], [88], [92], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [134], [149], [150], [151], [152], [153], [154], [155], [156], [157], [159], [162], [164], [166], [167], [202], [203], [207], [210], [214], [220], [223], [227], [228], [232], [235], [237], [240], [243], [247], [250], [253], [257], [258], [261], [264], [266], [272], [276], [279], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [318], [319], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [337], [338], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [352], [353], [354], [355] [2018-11-18 17:32:40,293 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:32:40,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:32:42,414 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:32:42,415 INFO L272 AbstractInterpreter]: Visited 147 different actions 1662 times. Merged at 38 different actions 399 times. Never widened. Performed 61631 root evaluator evaluations with a maximum evaluation depth of 5. Performed 61631 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 71 fixpoints after 7 different actions. Largest state had 134 variables. [2018-11-18 17:32:42,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:42,416 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:32:42,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:32:42,416 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:32:42,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:32:42,422 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:32:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:42,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:32:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-11-18 17:32:42,583 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:32:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2018-11-18 17:32:42,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:32:42,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 17:32:42,899 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:32:42,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:32:42,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:32:42,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:32:42,900 INFO L87 Difference]: Start difference. First operand 1299 states and 1491 transitions. Second operand 6 states. [2018-11-18 17:32:42,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:32:42,939 INFO L93 Difference]: Finished difference Result 1582 states and 1806 transitions. [2018-11-18 17:32:42,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:32:42,940 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 391 [2018-11-18 17:32:42,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:32:42,940 INFO L225 Difference]: With dead ends: 1582 [2018-11-18 17:32:42,940 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:32:42,943 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 777 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:32:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:32:42,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:32:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:32:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:32:42,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2018-11-18 17:32:42,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:32:42,944 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:32:42,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:32:42,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:32:42,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:32:42,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:32:43,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:32:43,498 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2018-11-18 17:32:43,985 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-18 17:32:44,371 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-11-18 17:32:45,249 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 17:32:45,643 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2018-11-18 17:32:45,643 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2018-11-18 17:32:45,643 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2018-11-18 17:32:45,643 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2018-11-18 17:32:45,643 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2018-11-18 17:32:45,643 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 17:32:45,643 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2018-11-18 17:32:45,643 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L421 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 17:32:45,644 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 793) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse4 .cse0 .cse5) (or .cse2 .cse0 .cse3 .cse5 .cse4))) [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-11-18 17:32:45,644 INFO L425 ceAbstractionStarter]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2018-11-18 17:32:45,645 INFO L428 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2018-11-18 17:32:45,645 INFO L425 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-11-18 17:32:45,645 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,645 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2018-11-18 17:32:45,645 INFO L421 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,645 INFO L421 ceAbstractionStarter]: At program point L886-1(line 886) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,645 INFO L425 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2018-11-18 17:32:45,645 INFO L425 ceAbstractionStarter]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2018-11-18 17:32:45,645 INFO L425 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2018-11-18 17:32:45,645 INFO L421 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,645 INFO L421 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,645 INFO L421 ceAbstractionStarter]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L428 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: true [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2018-11-18 17:32:45,646 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2018-11-18 17:32:45,646 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,646 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L421 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,647 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L428 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point L990(lines 990 996) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2018-11-18 17:32:45,647 INFO L425 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2018-11-18 17:32:45,648 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 529) no Hoare annotation was computed. [2018-11-18 17:32:45,648 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2018-11-18 17:32:45,648 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse0 (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 17:32:45,648 INFO L421 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or .cse4 (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2))))))) [2018-11-18 17:32:45,648 INFO L425 ceAbstractionStarter]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2018-11-18 17:32:45,648 INFO L421 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:32:45,648 INFO L421 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:32:45,648 INFO L425 ceAbstractionStarter]: For program point L516(lines 516 524) no Hoare annotation was computed. [2018-11-18 17:32:45,648 INFO L421 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:32:45,648 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2018-11-18 17:32:45,648 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2018-11-18 17:32:45,649 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 685 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,649 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2018-11-18 17:32:45,649 INFO L421 ceAbstractionStarter]: At program point L731-2(lines 725 736) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:32:45,649 INFO L425 ceAbstractionStarter]: For program point L696(lines 695 740) no Hoare annotation was computed. [2018-11-18 17:32:45,649 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2018-11-18 17:32:45,649 INFO L425 ceAbstractionStarter]: For program point L725(lines 725 736) no Hoare annotation was computed. [2018-11-18 17:32:45,649 INFO L421 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:32:45,649 INFO L425 ceAbstractionStarter]: For program point L715(lines 715 721) no Hoare annotation was computed. [2018-11-18 17:32:45,649 INFO L425 ceAbstractionStarter]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2018-11-18 17:32:45,649 INFO L421 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-11-18 17:32:45,649 INFO L421 ceAbstractionStarter]: At program point L738(lines 695 740) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:32:45,649 INFO L425 ceAbstractionStarter]: For program point L705(lines 705 711) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point L695-1(lines 695 740) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L421 ceAbstractionStarter]: At program point L741(lines 694 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2018-11-18 17:32:45,650 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 17:32:45,650 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L428 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: true [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2018-11-18 17:32:45,651 INFO L428 ceAbstractionStarter]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2018-11-18 17:32:45,651 INFO L425 ceAbstractionStarter]: For program point L812-1(lines 812 826) no Hoare annotation was computed. [2018-11-18 17:32:45,652 INFO L428 ceAbstractionStarter]: At program point L812-3(lines 812 826) the Hoare annotation is: true [2018-11-18 17:32:45,652 INFO L428 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-11-18 17:32:45,652 INFO L425 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2018-11-18 17:32:45,652 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2018-11-18 17:32:45,652 INFO L428 ceAbstractionStarter]: At program point L827(lines 802 831) the Hoare annotation is: true [2018-11-18 17:32:45,652 INFO L425 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-11-18 17:32:45,652 INFO L425 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-11-18 17:32:45,652 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2018-11-18 17:32:45,652 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2018-11-18 17:32:45,652 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2018-11-18 17:32:45,652 INFO L421 ceAbstractionStarter]: At program point L437(line 437) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 17:32:45,652 INFO L421 ceAbstractionStarter]: At program point L435(lines 435 441) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 17:32:45,653 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or (or .cse0 .cse1 .cse3) .cse4) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse2) (or .cse4 (or (or .cse1 .cse3) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-11-18 17:32:45,653 INFO L421 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point L428(lines 424 446) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point L426(lines 424 446) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2)))) [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2018-11-18 17:32:45,653 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:32:45,653 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 17:32:45,654 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:32:45,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:32:45,654 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2))))))) [2018-11-18 17:32:45,654 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2018-11-18 17:32:45,654 INFO L421 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 17:32:45,654 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2018-11-18 17:32:45,654 INFO L421 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 17:32:45,654 INFO L421 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 17:32:45,654 INFO L425 ceAbstractionStarter]: For program point L464(lines 464 472) no Hoare annotation was computed. [2018-11-18 17:32:45,654 INFO L421 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2))))))) [2018-11-18 17:32:45,654 INFO L425 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-11-18 17:32:45,654 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 477) no Hoare annotation was computed. [2018-11-18 17:32:45,655 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2018-11-18 17:32:45,655 INFO L425 ceAbstractionStarter]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2018-11-18 17:32:45,655 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse0 (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 17:32:45,655 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2018-11-18 17:32:45,655 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2018-11-18 17:32:45,655 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2018-11-18 17:32:45,655 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2018-11-18 17:32:45,655 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2018-11-18 17:32:45,655 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse0 (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 17:32:45,655 INFO L421 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or .cse4 (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2))))))) [2018-11-18 17:32:45,655 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2018-11-18 17:32:45,656 INFO L421 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 17:32:45,656 INFO L421 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~4) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 17:32:45,656 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 498) no Hoare annotation was computed. [2018-11-18 17:32:45,656 INFO L421 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:32:45,656 INFO L425 ceAbstractionStarter]: For program point L488-1(line 488) no Hoare annotation was computed. [2018-11-18 17:32:45,656 INFO L425 ceAbstractionStarter]: For program point L486(lines 486 503) no Hoare annotation was computed. [2018-11-18 17:32:45,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:32:45 BoogieIcfgContainer [2018-11-18 17:32:45,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:32:45,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:32:45,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:32:45,670 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:32:45,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:28" (3/4) ... [2018-11-18 17:32:45,677 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:32:45,681 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:32:45,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:32:45,683 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:32:45,684 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:32:45,684 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:32:45,684 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:32:45,684 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:32:45,684 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:32:45,684 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:32:45,684 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 17:32:45,692 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 17:32:45,692 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:32:45,692 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:32:45,710 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel == 2) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 17:32:45,710 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 17:32:45,745 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac480172-c3ef-419b-aa11-4dcfedc5dff5/bin-2019/utaipan/witness.graphml [2018-11-18 17:32:45,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:32:45,746 INFO L168 Benchmark]: Toolchain (without parser) took 18049.17 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 951.1 MB in the beginning and 1.7 GB in the end (delta: -747.6 MB). Peak memory consumption was 425.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:45,747 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:32:45,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:45,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:45,747 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:32:45,748 INFO L168 Benchmark]: RCFGBuilder took 463.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:45,748 INFO L168 Benchmark]: TraceAbstraction took 17091.05 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -631.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 17:32:45,748 INFO L168 Benchmark]: Witness Printer took 75.55 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 264.2 kB). Peak memory consumption was 264.2 kB. Max. memory is 11.5 GB. [2018-11-18 17:32:45,749 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 463.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17091.05 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -631.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 75.55 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 264.2 kB). Peak memory consumption was 264.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel == 2) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 171 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2535 SDtfs, 2484 SDslu, 7556 SDs, 0 SdLazy, 5858 SolverSat, 1314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1945 GetRequests, 1774 SyntacticMatches, 24 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1299occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.2s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 352 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2130 PreInvPairs, 2201 NumberOfFragments, 1894 HoareAnnotationTreeSize, 2130 FomulaSimplifications, 9406 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 15165 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2513 NumberOfCodeBlocks, 2513 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3371 ConstructedInterpolants, 0 QuantifiedInterpolants, 1179637 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3381 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2645/2760 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...