./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0abcca86e101e0402ce9c7a98a1409292a39ee1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:18:08,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:18:08,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:18:08,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:18:08,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:18:08,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:18:08,214 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:18:08,214 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:18:08,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:18:08,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:18:08,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:18:08,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:18:08,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:18:08,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:18:08,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:18:08,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:18:08,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:18:08,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:18:08,220 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:18:08,221 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:18:08,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:18:08,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:18:08,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:18:08,223 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:18:08,223 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:18:08,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:18:08,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:18:08,224 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:18:08,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:18:08,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:18:08,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:18:08,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:18:08,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:18:08,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:18:08,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:18:08,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:18:08,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 11:18:08,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:18:08,233 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:18:08,234 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:18:08,234 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:18:08,234 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:18:08,234 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:18:08,234 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:18:08,235 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:18:08,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:18:08,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:18:08,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:18:08,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:18:08,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:18:08,237 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2018-12-08 11:18:08,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:18:08,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:18:08,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:18:08,262 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:18:08,262 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:18:08,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-08 11:18:08,296 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/data/4c8c1ce1d/c77f45db743744bcbe9e842d1444842b/FLAG79afd71b1 [2018-12-08 11:18:08,796 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:18:08,797 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-08 11:18:08,803 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/data/4c8c1ce1d/c77f45db743744bcbe9e842d1444842b/FLAG79afd71b1 [2018-12-08 11:18:08,811 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/data/4c8c1ce1d/c77f45db743744bcbe9e842d1444842b [2018-12-08 11:18:08,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:18:08,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:18:08,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:18:08,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:18:08,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:18:08,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:18:08" (1/1) ... [2018-12-08 11:18:08,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:08, skipping insertion in model container [2018-12-08 11:18:08,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:18:08" (1/1) ... [2018-12-08 11:18:08,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:18:08,843 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:18:08,993 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:18:09,036 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:18:09,082 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:18:09,098 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:18:09,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09 WrapperNode [2018-12-08 11:18:09,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:18:09,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:18:09,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:18:09,099 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:18:09,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:18:09,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:18:09,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:18:09,120 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:18:09,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... [2018-12-08 11:18:09,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:18:09,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:18:09,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:18:09,143 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:18:09,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:18:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 11:18:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 11:18:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:18:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:18:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 11:18:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 11:18:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:18:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 11:18:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 11:18:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 11:18:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 11:18:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 11:18:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 11:18:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 11:18:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 11:18:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 11:18:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 11:18:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:18:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:18:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 11:18:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 11:18:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 11:18:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 11:18:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 11:18:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 11:18:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 11:18:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 11:18:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 11:18:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 11:18:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 11:18:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 11:18:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 11:18:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 11:18:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 11:18:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 11:18:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:18:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:18:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 11:18:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 11:18:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 11:18:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 11:18:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 11:18:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 11:18:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 11:18:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 11:18:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 11:18:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 11:18:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 11:18:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 11:18:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 11:18:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 11:18:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 11:18:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 11:18:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 11:18:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:18:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:18:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 11:18:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 11:18:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:18:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:18:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 11:18:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 11:18:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:18:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:18:09,500 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:18:09,501 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 11:18:09,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:18:09 BoogieIcfgContainer [2018-12-08 11:18:09,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:18:09,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:18:09,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:18:09,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:18:09,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:18:08" (1/3) ... [2018-12-08 11:18:09,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134f9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:18:09, skipping insertion in model container [2018-12-08 11:18:09,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:18:09" (2/3) ... [2018-12-08 11:18:09,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134f9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:18:09, skipping insertion in model container [2018-12-08 11:18:09,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:18:09" (3/3) ... [2018-12-08 11:18:09,507 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-08 11:18:09,513 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:18:09,518 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:18:09,527 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:18:09,546 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:18:09,546 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:18:09,547 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:18:09,547 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:18:09,547 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:18:09,547 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:18:09,547 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:18:09,547 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:18:09,547 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:18:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-08 11:18:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 11:18:09,570 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:09,571 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:09,573 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:09,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:09,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1271875382, now seen corresponding path program 1 times [2018-12-08 11:18:09,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:09,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:09,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:09,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:09,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:09,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:09,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 11:18:09,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 11:18:09,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 11:18:09,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:18:09,759 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-08 11:18:09,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:09,790 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2018-12-08 11:18:09,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 11:18:09,791 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 11:18:09,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:09,798 INFO L225 Difference]: With dead ends: 300 [2018-12-08 11:18:09,798 INFO L226 Difference]: Without dead ends: 150 [2018-12-08 11:18:09,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:18:09,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-08 11:18:09,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-08 11:18:09,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-08 11:18:09,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2018-12-08 11:18:09,835 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2018-12-08 11:18:09,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:09,835 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2018-12-08 11:18:09,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 11:18:09,835 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2018-12-08 11:18:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 11:18:09,838 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:09,838 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:09,838 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:09,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:09,839 INFO L82 PathProgramCache]: Analyzing trace with hash -34531406, now seen corresponding path program 1 times [2018-12-08 11:18:09,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:09,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:09,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:09,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:09,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:09,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:09,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:18:09,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:18:09,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:18:09,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:18:09,912 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2018-12-08 11:18:09,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:09,931 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2018-12-08 11:18:09,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:18:09,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 11:18:09,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:09,933 INFO L225 Difference]: With dead ends: 245 [2018-12-08 11:18:09,933 INFO L226 Difference]: Without dead ends: 141 [2018-12-08 11:18:09,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:18:09,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-08 11:18:09,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-08 11:18:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-08 11:18:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-12-08 11:18:09,944 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-12-08 11:18:09,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:09,944 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-12-08 11:18:09,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:18:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-12-08 11:18:09,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 11:18:09,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:09,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:09,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:09,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:09,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1148135132, now seen corresponding path program 1 times [2018-12-08 11:18:09,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:09,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:09,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:09,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:09,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:10,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:10,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:18:10,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:18:10,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:18:10,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:18:10,038 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-12-08 11:18:10,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:10,217 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2018-12-08 11:18:10,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 11:18:10,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-08 11:18:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:10,219 INFO L225 Difference]: With dead ends: 258 [2018-12-08 11:18:10,219 INFO L226 Difference]: Without dead ends: 141 [2018-12-08 11:18:10,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:18:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-08 11:18:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-08 11:18:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-08 11:18:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-12-08 11:18:10,231 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-12-08 11:18:10,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:10,232 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-12-08 11:18:10,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:18:10,232 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-12-08 11:18:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 11:18:10,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:10,234 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:10,234 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:10,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:10,234 INFO L82 PathProgramCache]: Analyzing trace with hash -139469963, now seen corresponding path program 1 times [2018-12-08 11:18:10,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:10,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:10,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:10,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:10,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:10,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:10,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:18:10,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:18:10,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:18:10,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:18:10,305 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-12-08 11:18:10,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:10,614 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2018-12-08 11:18:10,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:18:10,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-08 11:18:10,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:10,615 INFO L225 Difference]: With dead ends: 371 [2018-12-08 11:18:10,615 INFO L226 Difference]: Without dead ends: 254 [2018-12-08 11:18:10,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:18:10,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-08 11:18:10,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-12-08 11:18:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-12-08 11:18:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-12-08 11:18:10,630 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2018-12-08 11:18:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:10,630 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-12-08 11:18:10,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:18:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-12-08 11:18:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 11:18:10,631 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:10,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:10,632 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:10,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:10,632 INFO L82 PathProgramCache]: Analyzing trace with hash -2129755687, now seen corresponding path program 1 times [2018-12-08 11:18:10,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:10,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:10,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:10,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:10,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:10,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:10,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:18:10,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:18:10,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:18:10,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:18:10,684 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2018-12-08 11:18:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:10,787 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2018-12-08 11:18:10,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:18:10,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-08 11:18:10,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:10,790 INFO L225 Difference]: With dead ends: 580 [2018-12-08 11:18:10,791 INFO L226 Difference]: Without dead ends: 369 [2018-12-08 11:18:10,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:18:10,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-12-08 11:18:10,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-12-08 11:18:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-12-08 11:18:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2018-12-08 11:18:10,816 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2018-12-08 11:18:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:10,816 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2018-12-08 11:18:10,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:18:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2018-12-08 11:18:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 11:18:10,818 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:10,818 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:10,818 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:10,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:10,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1166702943, now seen corresponding path program 1 times [2018-12-08 11:18:10,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:10,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:10,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:10,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:10,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:10,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:10,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:18:10,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:18:10,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:18:10,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:18:10,911 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2018-12-08 11:18:11,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:11,049 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2018-12-08 11:18:11,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:18:11,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-08 11:18:11,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:11,052 INFO L225 Difference]: With dead ends: 782 [2018-12-08 11:18:11,052 INFO L226 Difference]: Without dead ends: 571 [2018-12-08 11:18:11,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:18:11,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-12-08 11:18:11,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2018-12-08 11:18:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-12-08 11:18:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2018-12-08 11:18:11,074 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2018-12-08 11:18:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:11,074 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2018-12-08 11:18:11,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:18:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2018-12-08 11:18:11,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 11:18:11,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:11,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:11,076 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:11,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:11,076 INFO L82 PathProgramCache]: Analyzing trace with hash 244019360, now seen corresponding path program 1 times [2018-12-08 11:18:11,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:11,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:11,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:11,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:11,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:11,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:11,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:18:11,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:18:11,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:18:11,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:18:11,120 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2018-12-08 11:18:11,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:11,141 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2018-12-08 11:18:11,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 11:18:11,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-08 11:18:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:11,143 INFO L225 Difference]: With dead ends: 962 [2018-12-08 11:18:11,143 INFO L226 Difference]: Without dead ends: 563 [2018-12-08 11:18:11,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:18:11,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-12-08 11:18:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2018-12-08 11:18:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-12-08 11:18:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2018-12-08 11:18:11,161 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2018-12-08 11:18:11,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:11,161 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2018-12-08 11:18:11,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:18:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2018-12-08 11:18:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 11:18:11,162 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:11,163 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:11,163 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:11,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:11,163 INFO L82 PathProgramCache]: Analyzing trace with hash -599986142, now seen corresponding path program 1 times [2018-12-08 11:18:11,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:11,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:11,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:11,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:11,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:11,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:11,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 11:18:11,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:18:11,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:18:11,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:18:11,222 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2018-12-08 11:18:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:11,267 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2018-12-08 11:18:11,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 11:18:11,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-08 11:18:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:11,269 INFO L225 Difference]: With dead ends: 1107 [2018-12-08 11:18:11,269 INFO L226 Difference]: Without dead ends: 574 [2018-12-08 11:18:11,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:18:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-08 11:18:11,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-12-08 11:18:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-08 11:18:11,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2018-12-08 11:18:11,287 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2018-12-08 11:18:11,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:11,287 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2018-12-08 11:18:11,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:18:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2018-12-08 11:18:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 11:18:11,288 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:11,288 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:11,288 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:11,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:11,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1008052965, now seen corresponding path program 1 times [2018-12-08 11:18:11,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:11,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:11,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:11,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:11,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:18:11,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:18:11,348 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 11:18:11,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:11,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:18:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:18:11,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:18:11,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-08 11:18:11,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 11:18:11,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 11:18:11,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-08 11:18:11,516 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 14 states. [2018-12-08 11:18:12,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:12,000 INFO L93 Difference]: Finished difference Result 1529 states and 1851 transitions. [2018-12-08 11:18:12,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 11:18:12,001 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-12-08 11:18:12,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:12,003 INFO L225 Difference]: With dead ends: 1529 [2018-12-08 11:18:12,003 INFO L226 Difference]: Without dead ends: 989 [2018-12-08 11:18:12,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-08 11:18:12,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2018-12-08 11:18:12,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 986. [2018-12-08 11:18:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2018-12-08 11:18:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1146 transitions. [2018-12-08 11:18:12,034 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1146 transitions. Word has length 101 [2018-12-08 11:18:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:12,034 INFO L480 AbstractCegarLoop]: Abstraction has 986 states and 1146 transitions. [2018-12-08 11:18:12,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 11:18:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1146 transitions. [2018-12-08 11:18:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 11:18:12,035 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:12,036 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:12,036 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:12,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:12,036 INFO L82 PathProgramCache]: Analyzing trace with hash 968557213, now seen corresponding path program 1 times [2018-12-08 11:18:12,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:12,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:12,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:12,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:12,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:18:12,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:12,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 11:18:12,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 11:18:12,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 11:18:12,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:18:12,107 INFO L87 Difference]: Start difference. First operand 986 states and 1146 transitions. Second operand 10 states. [2018-12-08 11:18:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:12,246 INFO L93 Difference]: Finished difference Result 1958 states and 2279 transitions. [2018-12-08 11:18:12,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 11:18:12,246 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-08 11:18:12,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:12,249 INFO L225 Difference]: With dead ends: 1958 [2018-12-08 11:18:12,249 INFO L226 Difference]: Without dead ends: 996 [2018-12-08 11:18:12,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:18:12,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-12-08 11:18:12,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 948. [2018-12-08 11:18:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-12-08 11:18:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1071 transitions. [2018-12-08 11:18:12,282 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1071 transitions. Word has length 105 [2018-12-08 11:18:12,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:12,283 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1071 transitions. [2018-12-08 11:18:12,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 11:18:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1071 transitions. [2018-12-08 11:18:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 11:18:12,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:12,284 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:12,285 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:12,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:12,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1820463103, now seen corresponding path program 1 times [2018-12-08 11:18:12,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:12,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:12,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:12,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:12,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:18:12,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:18:12,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 11:18:12,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 11:18:12,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 11:18:12,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:18:12,367 INFO L87 Difference]: Start difference. First operand 948 states and 1071 transitions. Second operand 10 states. [2018-12-08 11:18:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:12,502 INFO L93 Difference]: Finished difference Result 1846 states and 2107 transitions. [2018-12-08 11:18:12,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 11:18:12,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-08 11:18:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:12,505 INFO L225 Difference]: With dead ends: 1846 [2018-12-08 11:18:12,505 INFO L226 Difference]: Without dead ends: 922 [2018-12-08 11:18:12,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:18:12,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2018-12-08 11:18:12,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 906. [2018-12-08 11:18:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-12-08 11:18:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1021 transitions. [2018-12-08 11:18:12,530 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1021 transitions. Word has length 105 [2018-12-08 11:18:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:12,530 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1021 transitions. [2018-12-08 11:18:12,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 11:18:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1021 transitions. [2018-12-08 11:18:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 11:18:12,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:12,532 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:12,532 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:12,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:12,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1019303520, now seen corresponding path program 1 times [2018-12-08 11:18:12,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:12,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:12,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:12,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:12,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 11:18:12,583 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:18:12,583 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 11:18:12,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:12,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:18:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 11:18:12,778 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:18:12,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-12-08 11:18:12,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 11:18:12,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 11:18:12,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:18:12,779 INFO L87 Difference]: Start difference. First operand 906 states and 1021 transitions. Second operand 13 states. [2018-12-08 11:18:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:13,704 INFO L93 Difference]: Finished difference Result 2413 states and 2919 transitions. [2018-12-08 11:18:13,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 11:18:13,704 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 151 [2018-12-08 11:18:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:13,708 INFO L225 Difference]: With dead ends: 2413 [2018-12-08 11:18:13,708 INFO L226 Difference]: Without dead ends: 1531 [2018-12-08 11:18:13,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-12-08 11:18:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2018-12-08 11:18:13,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1298. [2018-12-08 11:18:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1298 states. [2018-12-08 11:18:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1449 transitions. [2018-12-08 11:18:13,747 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1449 transitions. Word has length 151 [2018-12-08 11:18:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:13,747 INFO L480 AbstractCegarLoop]: Abstraction has 1298 states and 1449 transitions. [2018-12-08 11:18:13,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 11:18:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1449 transitions. [2018-12-08 11:18:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 11:18:13,749 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:18:13,749 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:18:13,749 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:18:13,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:18:13,749 INFO L82 PathProgramCache]: Analyzing trace with hash -506950039, now seen corresponding path program 1 times [2018-12-08 11:18:13,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:18:13,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:18:13,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:13,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:13,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:18:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 11:18:13,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:18:13,790 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/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 [2018-12-08 11:18:13,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:18:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:18:13,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:18:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 11:18:13,967 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:18:13,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-08 11:18:13,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 11:18:13,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 11:18:13,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-08 11:18:13,968 INFO L87 Difference]: Start difference. First operand 1298 states and 1449 transitions. Second operand 15 states. [2018-12-08 11:18:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:18:15,517 INFO L93 Difference]: Finished difference Result 3289 states and 4246 transitions. [2018-12-08 11:18:15,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-08 11:18:15,518 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-12-08 11:18:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:18:15,518 INFO L225 Difference]: With dead ends: 3289 [2018-12-08 11:18:15,519 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 11:18:15,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-08 11:18:15,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 11:18:15,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 11:18:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 11:18:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 11:18:15,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-08 11:18:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:18:15,524 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:18:15,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 11:18:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 11:18:15,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:18:15,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 11:18:15,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:15,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:18:16,445 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-12-08 11:18:16,656 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2018-12-08 11:18:16,869 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-12-08 11:18:17,304 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2018-12-08 11:18:17,621 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2018-12-08 11:18:18,047 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-12-08 11:18:18,283 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2018-12-08 11:18:18,546 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-12-08 11:18:18,652 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2018-12-08 11:18:19,027 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2018-12-08 11:18:19,150 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-12-08 11:18:20,061 WARN L180 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-12-08 11:18:20,274 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-08 11:18:20,274 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-08 11:18:20,274 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-08 11:18:20,274 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-08 11:18:20,274 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-08 11:18:20,274 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-08 11:18:20,274 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-08 11:18:20,274 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,274 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,274 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,274 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,274 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-08 11:18:20,274 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,275 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L451 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-08 11:18:20,275 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-08 11:18:20,275 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2018-12-08 11:18:20,275 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-12-08 11:18:20,275 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-12-08 11:18:20,276 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 11:18:20,276 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2018-12-08 11:18:20,276 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-12-08 11:18:20,277 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,277 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse7 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:18:20,277 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 (and (not (= ~waterLevel~0 2)) .cse0 .cse3 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 1) .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:18:20,277 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-08 11:18:20,277 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~8) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2018-12-08 11:18:20,278 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-08 11:18:20,278 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2018-12-08 11:18:20,279 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4 .cse6) (or .cse3 .cse0 .cse2 .cse7) (or .cse2 .cse7 .cse6 .cse5)))) [2018-12-08 11:18:20,279 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2018-12-08 11:18:20,280 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2018-12-08 11:18:20,280 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2018-12-08 11:18:20,280 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2018-12-08 11:18:20,280 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0)) (.cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (and (<= ~waterLevel~0 2) .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 (and .cse8 .cse9)) (or (and (<= ~waterLevel~0 1) .cse10) .cse11 .cse7 .cse5) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse8) (or (or .cse6 .cse1 .cse3) .cse5 .cse8) (or .cse0 .cse1 .cse11 .cse12 .cse3) (or .cse0 (and .cse8 .cse9 .cse10) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse10) .cse11 .cse7) (or .cse1 .cse12 .cse11 .cse3 .cse5)))) [2018-12-08 11:18:20,280 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse14 .cse11 .cse3)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse11 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse10) (or .cse11 .cse3 .cse4 .cse10 .cse2) (or (or .cse12 .cse0 .cse1 .cse3) .cse7) (or .cse9 .cse13 .cse10 .cse8) (or .cse0 .cse11 .cse3 .cse4 .cse2) (or (or .cse5 .cse1 .cse3) .cse10 .cse7) (or .cse0 .cse1 .cse9 .cse8 .cse3) (or .cse12 .cse7 .cse13 .cse10) (or .cse1 .cse8 .cse9 .cse3 .cse10)))) [2018-12-08 11:18:20,280 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse17 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not .cse18)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse16 (and .cse17 .cse7)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse14 (or .cse18 .cse12 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or .cse0 .cse13 (and .cse8 .cse10) .cse14) (or .cse1 (and .cse15 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse16) (or .cse0 .cse13 .cse1 .cse8 .cse3) (or .cse0 .cse1 .cse11 (and .cse15 .cse7) .cse3) (or .cse13 .cse1 .cse8 .cse3 .cse5) (or .cse0 (and .cse9 .cse17) .cse16 .cse11 .cse14)))) [2018-12-08 11:18:20,281 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-12-08 11:18:20,281 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse13 .cse11 .cse7)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse8 .cse9) (or .cse5 .cse4 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse0 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse4 .cse7 .cse9)))) [2018-12-08 11:18:20,281 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-12-08 11:18:20,281 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-12-08 11:18:20,281 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-08 11:18:20,281 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 11:18:20,281 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-08 11:18:20,281 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-08 11:18:20,281 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-08 11:18:20,281 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-08 11:18:20,281 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-08 11:18:20,281 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-08 11:18:20,282 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-08 11:18:20,282 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-08 11:18:20,282 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2018-12-08 11:18:20,282 INFO L451 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2018-12-08 11:18:20,282 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-08 11:18:20,282 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2018-12-08 11:18:20,282 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2018-12-08 11:18:20,282 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-12-08 11:18:20,282 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-12-08 11:18:20,282 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0) .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5))) [2018-12-08 11:18:20,282 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse5 .cse3) (or .cse7 .cse1 .cse4 .cse3 .cse6))) [2018-12-08 11:18:20,283 INFO L448 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-12-08 11:18:20,283 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L448 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-08 11:18:20,283 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:18:20,283 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-08 11:18:20,284 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 11:18:20,284 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:18:20,284 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-12-08 11:18:20,284 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-12-08 11:18:20,284 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 11:18:20,284 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-12-08 11:18:20,284 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse4 .cse6 (not (= ~waterLevel~0 1)) .cse5) (or .cse7 .cse2 (and .cse6 .cse0 .cse1) .cse3 .cse4) (or .cse8 .cse9 .cse4 .cse5) (or .cse6 (or (< 0 ~waterLevel~0) .cse2 .cse4 .cse5)) (or .cse7 .cse8 .cse9 .cse4))) [2018-12-08 11:18:20,284 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse9)) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= ~waterLevel~0 1) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse6 .cse7 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse8 .cse5)))) [2018-12-08 11:18:20,284 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-12-08 11:18:20,284 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 11:18:20,284 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-12-08 11:18:20,284 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-12-08 11:18:20,285 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2018-12-08 11:18:20,285 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse5 (not (= |old(~systemActive~0)| 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse0 .cse5) (or .cse2 .cse3 .cse6 .cse0) (or .cse4 .cse0 .cse2 .cse5 .cse6)))) [2018-12-08 11:18:20,285 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2018-12-08 11:18:20,285 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2018-12-08 11:18:20,285 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2018-12-08 11:18:20,285 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (<= ~waterLevel~0 2) .cse3) (or (or .cse7 .cse6 .cse3) .cse4 (<= ~waterLevel~0 1)) (or .cse0 (or (< 0 |old(~waterLevel~0)|) .cse6 .cse3 .cse4)) (or .cse0 (or .cse5 .cse7 .cse6 .cse3)) (or .cse5 .cse7 (or .cse2 .cse3) .cse0))) [2018-12-08 11:18:20,285 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2018-12-08 11:18:20,285 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-12-08 11:18:20,285 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2018-12-08 11:18:20,285 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2018-12-08 11:18:20,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:18:20 BoogieIcfgContainer [2018-12-08 11:18:20,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:18:20,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:18:20,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:18:20,294 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:18:20,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:18:09" (3/4) ... [2018-12-08 11:18:20,297 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 11:18:20,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 11:18:20,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:18:20,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 11:18:20,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 11:18:20,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 11:18:20,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 11:18:20,308 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 11:18:20,308 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 11:18:20,308 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 11:18:20,309 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:18:20,309 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 11:18:20,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:18:20,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:18:20,359 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c5001ed-c73e-4673-a9de-da4b01f8425f/bin-2019/uautomizer/witness.graphml [2018-12-08 11:18:20,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:18:20,360 INFO L168 Benchmark]: Toolchain (without parser) took 11546.48 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 373.3 MB). Free memory was 950.6 MB in the beginning and 911.5 MB in the end (delta: 39.1 MB). Peak memory consumption was 412.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:18:20,360 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:18:20,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:18:20,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:18:20,361 INFO L168 Benchmark]: Boogie Preprocessor took 23.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:18:20,361 INFO L168 Benchmark]: RCFGBuilder took 358.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-12-08 11:18:20,361 INFO L168 Benchmark]: TraceAbstraction took 10791.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 1.0 GB in the beginning and 922.5 MB in the end (delta: 112.3 MB). Peak memory consumption was 507.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:18:20,362 INFO L168 Benchmark]: Witness Printer took 65.97 ms. Allocated memory is still 1.4 GB. Free memory was 922.5 MB in the beginning and 911.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-12-08 11:18:20,363 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 358.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10791.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 1.0 GB in the beginning and 922.5 MB in the end (delta: 112.3 MB). Peak memory consumption was 507.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.97 ms. Allocated memory is still 1.4 GB. Free memory was 922.5 MB in the beginning and 911.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2599 SDtfs, 2369 SDslu, 9689 SDs, 0 SdLazy, 6520 SolverSat, 1174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 451 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1298occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 357 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3523 PreInvPairs, 4123 NumberOfFragments, 3293 HoareAnnotationTreeSize, 3523 FomulaSimplifications, 24572 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 32648 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1594 ConstructedInterpolants, 0 QuantifiedInterpolants, 312134 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2512 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 118/136 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...