./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_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_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:22:24,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:22:24,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:22:24,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:22:24,989 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:22:24,989 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:22:24,990 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:22:24,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:22:24,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:22:24,992 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:22:24,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:22:24,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:22:24,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:22:24,994 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:22:24,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:22:24,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:22:24,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:22:24,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:22:24,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:22:24,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:22:24,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:22:24,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:22:25,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:22:25,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:22:25,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:22:25,000 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:22:25,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:22:25,001 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:22:25,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:22:25,002 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:22:25,002 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:22:25,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:22:25,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:22:25,003 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:22:25,003 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:22:25,004 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:22:25,004 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 14:22:25,010 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:22:25,011 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:22:25,011 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:22:25,011 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:22:25,011 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 14:22:25,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:22:25,012 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:22:25,013 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:22:25,013 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:22:25,013 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:22:25,014 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:22:25,014 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 14:22:25,014 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:22:25,014 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:22:25,014 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_1270d198-cf61-4bbe-a9f6-0019d5c66e42/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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2018-12-08 14:22:25,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:22:25,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:22:25,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:22:25,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:22:25,040 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:22:25,040 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-12-08 14:22:25,082 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/data/4e6fff6b7/ea9aea9ef7cf4755aeb8fdcf05e5c380/FLAGb27ad475d [2018-12-08 14:22:25,478 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:22:25,478 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-12-08 14:22:25,485 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/data/4e6fff6b7/ea9aea9ef7cf4755aeb8fdcf05e5c380/FLAGb27ad475d [2018-12-08 14:22:25,835 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/data/4e6fff6b7/ea9aea9ef7cf4755aeb8fdcf05e5c380 [2018-12-08 14:22:25,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:22:25,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:22:25,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:22:25,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:22:25,841 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:22:25,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:22:25" (1/1) ... [2018-12-08 14:22:25,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d05f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:25, skipping insertion in model container [2018-12-08 14:22:25,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:22:25" (1/1) ... [2018-12-08 14:22:25,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:22:25,876 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:22:26,051 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:22:26,058 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:22:26,141 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:22:26,156 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:22:26,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26 WrapperNode [2018-12-08 14:22:26,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:22:26,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:22:26,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:22:26,157 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:22:26,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:22:26,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:22:26,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:22:26,178 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:22:26,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... [2018-12-08 14:22:26,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:22:26,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:22:26,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:22:26,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:22:26,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/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 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 14:22:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:22:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 14:22:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 14:22:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 14:22:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 14:22:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 14:22:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 14:22:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 14:22:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 14:22:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:22:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:22:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 14:22:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 14:22:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 14:22:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 14:22:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 14:22:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 14:22:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 14:22:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:22:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 14:22:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 14:22:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:22:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:22:26,522 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:22:26,522 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 14:22:26,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:22:26 BoogieIcfgContainer [2018-12-08 14:22:26,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:22:26,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:22:26,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:22:26,525 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:22:26,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:22:25" (1/3) ... [2018-12-08 14:22:26,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:22:26, skipping insertion in model container [2018-12-08 14:22:26,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:22:26" (2/3) ... [2018-12-08 14:22:26,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:22:26, skipping insertion in model container [2018-12-08 14:22:26,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:22:26" (3/3) ... [2018-12-08 14:22:26,527 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-12-08 14:22:26,533 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:22:26,538 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:22:26,548 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:22:26,566 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 14:22:26,566 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:22:26,566 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:22:26,566 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:22:26,567 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:22:26,567 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:22:26,567 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:22:26,567 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:22:26,567 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:22:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-12-08 14:22:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 14:22:26,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:26,585 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:22:26,586 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:26,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:26,590 INFO L82 PathProgramCache]: Analyzing trace with hash 695158578, now seen corresponding path program 1 times [2018-12-08 14:22:26,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:26,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:26,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:26,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:26,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:26,725 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 14:22:26,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:26,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 14:22:26,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 14:22:26,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 14:22:26,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:22:26,738 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-12-08 14:22:26,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:26,761 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2018-12-08 14:22:26,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 14:22:26,762 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 14:22:26,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:26,769 INFO L225 Difference]: With dead ends: 286 [2018-12-08 14:22:26,769 INFO L226 Difference]: Without dead ends: 145 [2018-12-08 14:22:26,771 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 14:22:26,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-08 14:22:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-08 14:22:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-08 14:22:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-12-08 14:22:26,800 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2018-12-08 14:22:26,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:26,801 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-12-08 14:22:26,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 14:22:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-12-08 14:22:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 14:22:26,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:26,803 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 14:22:26,803 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:26,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:26,803 INFO L82 PathProgramCache]: Analyzing trace with hash 382336584, now seen corresponding path program 1 times [2018-12-08 14:22:26,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:26,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:26,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:26,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:26,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:26,851 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 14:22:26,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:26,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:22:26,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:22:26,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:22:26,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:22:26,853 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2018-12-08 14:22:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:26,870 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-12-08 14:22:26,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:22:26,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 14:22:26,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:26,872 INFO L225 Difference]: With dead ends: 235 [2018-12-08 14:22:26,872 INFO L226 Difference]: Without dead ends: 136 [2018-12-08 14:22:26,873 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 14:22:26,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-08 14:22:26,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-08 14:22:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-08 14:22:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-12-08 14:22:26,883 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2018-12-08 14:22:26,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:26,884 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-12-08 14:22:26,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:22:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-12-08 14:22:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 14:22:26,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:26,885 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] [2018-12-08 14:22:26,885 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:26,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:26,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1306371855, now seen corresponding path program 1 times [2018-12-08 14:22:26,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:26,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:26,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:26,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:26,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:22:26,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:26,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 14:22:26,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:22:26,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:22:26,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:22:26,983 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2018-12-08 14:22:27,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:27,127 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2018-12-08 14:22:27,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:22:27,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 14:22:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:27,129 INFO L225 Difference]: With dead ends: 244 [2018-12-08 14:22:27,129 INFO L226 Difference]: Without dead ends: 136 [2018-12-08 14:22:27,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:22:27,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-08 14:22:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-08 14:22:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-08 14:22:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-12-08 14:22:27,136 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2018-12-08 14:22:27,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:27,137 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-12-08 14:22:27,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:22:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-12-08 14:22:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 14:22:27,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:27,138 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] [2018-12-08 14:22:27,138 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:27,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:27,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1404980815, now seen corresponding path program 1 times [2018-12-08 14:22:27,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:27,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:27,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:27,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:27,188 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 14:22:27,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:27,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 14:22:27,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 14:22:27,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 14:22:27,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:22:27,189 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2018-12-08 14:22:27,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:27,456 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2018-12-08 14:22:27,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:22:27,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-08 14:22:27,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:27,458 INFO L225 Difference]: With dead ends: 342 [2018-12-08 14:22:27,459 INFO L226 Difference]: Without dead ends: 234 [2018-12-08 14:22:27,460 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 14:22:27,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-12-08 14:22:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2018-12-08 14:22:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-08 14:22:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2018-12-08 14:22:27,480 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2018-12-08 14:22:27,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:27,480 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2018-12-08 14:22:27,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 14:22:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2018-12-08 14:22:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 14:22:27,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:27,488 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] [2018-12-08 14:22:27,488 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:27,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:27,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1644843742, now seen corresponding path program 1 times [2018-12-08 14:22:27,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:27,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:27,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:27,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:27,540 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 14:22:27,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:27,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 14:22:27,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 14:22:27,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 14:22:27,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:22:27,541 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 4 states. [2018-12-08 14:22:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:27,672 INFO L93 Difference]: Finished difference Result 719 states and 881 transitions. [2018-12-08 14:22:27,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:22:27,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-12-08 14:22:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:27,674 INFO L225 Difference]: With dead ends: 719 [2018-12-08 14:22:27,675 INFO L226 Difference]: Without dead ends: 531 [2018-12-08 14:22:27,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:22:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-12-08 14:22:27,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 519. [2018-12-08 14:22:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-12-08 14:22:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 623 transitions. [2018-12-08 14:22:27,699 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 623 transitions. Word has length 83 [2018-12-08 14:22:27,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:27,699 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 623 transitions. [2018-12-08 14:22:27,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 14:22:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 623 transitions. [2018-12-08 14:22:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 14:22:27,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:27,701 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] [2018-12-08 14:22:27,701 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:27,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:27,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1624631555, now seen corresponding path program 1 times [2018-12-08 14:22:27,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:27,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:27,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:27,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:27,756 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 14:22:27,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:27,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:22:27,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:22:27,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:22:27,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:22:27,757 INFO L87 Difference]: Start difference. First operand 519 states and 623 transitions. Second operand 6 states. [2018-12-08 14:22:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:27,877 INFO L93 Difference]: Finished difference Result 1458 states and 1805 transitions. [2018-12-08 14:22:27,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:22:27,878 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-08 14:22:27,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:27,881 INFO L225 Difference]: With dead ends: 1458 [2018-12-08 14:22:27,881 INFO L226 Difference]: Without dead ends: 967 [2018-12-08 14:22:27,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:22:27,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-12-08 14:22:27,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 951. [2018-12-08 14:22:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2018-12-08 14:22:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1136 transitions. [2018-12-08 14:22:27,916 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1136 transitions. Word has length 83 [2018-12-08 14:22:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:27,916 INFO L480 AbstractCegarLoop]: Abstraction has 951 states and 1136 transitions. [2018-12-08 14:22:27,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:22:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1136 transitions. [2018-12-08 14:22:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 14:22:27,918 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:27,918 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] [2018-12-08 14:22:27,918 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:27,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:27,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1746225127, now seen corresponding path program 1 times [2018-12-08 14:22:27,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:27,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:27,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:27,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:27,976 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 14:22:27,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:27,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 14:22:27,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:22:27,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:22:27,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:22:27,977 INFO L87 Difference]: Start difference. First operand 951 states and 1136 transitions. Second operand 7 states. [2018-12-08 14:22:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:28,362 INFO L93 Difference]: Finished difference Result 1957 states and 2403 transitions. [2018-12-08 14:22:28,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 14:22:28,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-08 14:22:28,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:28,365 INFO L225 Difference]: With dead ends: 1957 [2018-12-08 14:22:28,366 INFO L226 Difference]: Without dead ends: 1034 [2018-12-08 14:22:28,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 14:22:28,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-12-08 14:22:28,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 948. [2018-12-08 14:22:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-12-08 14:22:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1127 transitions. [2018-12-08 14:22:28,396 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1127 transitions. Word has length 87 [2018-12-08 14:22:28,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:28,396 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1127 transitions. [2018-12-08 14:22:28,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:22:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1127 transitions. [2018-12-08 14:22:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 14:22:28,397 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:28,398 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] [2018-12-08 14:22:28,398 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:28,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:28,398 INFO L82 PathProgramCache]: Analyzing trace with hash 94127644, now seen corresponding path program 1 times [2018-12-08 14:22:28,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:28,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:28,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:28,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:28,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:28,439 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 14:22:28,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:28,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:22:28,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:22:28,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:22:28,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:22:28,440 INFO L87 Difference]: Start difference. First operand 948 states and 1127 transitions. Second operand 6 states. [2018-12-08 14:22:28,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:28,475 INFO L93 Difference]: Finished difference Result 1910 states and 2342 transitions. [2018-12-08 14:22:28,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:22:28,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-08 14:22:28,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:28,477 INFO L225 Difference]: With dead ends: 1910 [2018-12-08 14:22:28,478 INFO L226 Difference]: Without dead ends: 990 [2018-12-08 14:22:28,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:22:28,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2018-12-08 14:22:28,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 978. [2018-12-08 14:22:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-12-08 14:22:28,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1159 transitions. [2018-12-08 14:22:28,504 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1159 transitions. Word has length 103 [2018-12-08 14:22:28,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:28,504 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1159 transitions. [2018-12-08 14:22:28,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:22:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1159 transitions. [2018-12-08 14:22:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 14:22:28,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:28,505 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] [2018-12-08 14:22:28,505 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:28,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:28,506 INFO L82 PathProgramCache]: Analyzing trace with hash 2022400346, now seen corresponding path program 1 times [2018-12-08 14:22:28,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:28,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:28,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:28,556 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 14:22:28,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:28,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 14:22:28,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 14:22:28,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 14:22:28,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:22:28,556 INFO L87 Difference]: Start difference. First operand 978 states and 1159 transitions. Second operand 8 states. [2018-12-08 14:22:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:28,593 INFO L93 Difference]: Finished difference Result 1734 states and 2104 transitions. [2018-12-08 14:22:28,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:22:28,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-08 14:22:28,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:28,596 INFO L225 Difference]: With dead ends: 1734 [2018-12-08 14:22:28,596 INFO L226 Difference]: Without dead ends: 784 [2018-12-08 14:22:28,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:22:28,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-12-08 14:22:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2018-12-08 14:22:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-12-08 14:22:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 917 transitions. [2018-12-08 14:22:28,619 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 917 transitions. Word has length 103 [2018-12-08 14:22:28,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:28,619 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 917 transitions. [2018-12-08 14:22:28,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 14:22:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 917 transitions. [2018-12-08 14:22:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 14:22:28,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:28,620 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, 1, 1] [2018-12-08 14:22:28,620 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:28,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash 785672447, now seen corresponding path program 1 times [2018-12-08 14:22:28,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:28,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:28,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:28,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:28,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:28,699 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 14:22:28,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:22:28,699 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/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 14:22:28,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:28,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:22:28,912 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 14:22:28,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:22:28,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 14:22:28,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 14:22:28,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 14:22:28,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 14:22:28,929 INFO L87 Difference]: Start difference. First operand 784 states and 917 transitions. Second operand 19 states. [2018-12-08 14:22:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:29,508 INFO L93 Difference]: Finished difference Result 1509 states and 1785 transitions. [2018-12-08 14:22:29,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 14:22:29,508 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-08 14:22:29,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:29,510 INFO L225 Difference]: With dead ends: 1509 [2018-12-08 14:22:29,510 INFO L226 Difference]: Without dead ends: 753 [2018-12-08 14:22:29,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 14:22:29,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2018-12-08 14:22:29,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2018-12-08 14:22:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-12-08 14:22:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 866 transitions. [2018-12-08 14:22:29,532 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 866 transitions. Word has length 107 [2018-12-08 14:22:29,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:29,532 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 866 transitions. [2018-12-08 14:22:29,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 14:22:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 866 transitions. [2018-12-08 14:22:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 14:22:29,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:29,534 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, 1, 1, 1, 1, 1] [2018-12-08 14:22:29,534 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:29,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:29,534 INFO L82 PathProgramCache]: Analyzing trace with hash -265228281, now seen corresponding path program 1 times [2018-12-08 14:22:29,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:29,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:29,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:29,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:29,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 14:22:29,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:22:29,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:22:29,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:22:29,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:22:29,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:22:29,576 INFO L87 Difference]: Start difference. First operand 753 states and 866 transitions. Second operand 3 states. [2018-12-08 14:22:29,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:29,613 INFO L93 Difference]: Finished difference Result 1224 states and 1438 transitions. [2018-12-08 14:22:29,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:22:29,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-08 14:22:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:29,618 INFO L225 Difference]: With dead ends: 1224 [2018-12-08 14:22:29,618 INFO L226 Difference]: Without dead ends: 1221 [2018-12-08 14:22:29,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 14:22:29,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-12-08 14:22:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 891. [2018-12-08 14:22:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2018-12-08 14:22:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1045 transitions. [2018-12-08 14:22:29,659 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1045 transitions. Word has length 160 [2018-12-08 14:22:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:29,659 INFO L480 AbstractCegarLoop]: Abstraction has 891 states and 1045 transitions. [2018-12-08 14:22:29,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:22:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1045 transitions. [2018-12-08 14:22:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 14:22:29,661 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:29,662 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 14:22:29,662 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:29,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:29,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1031863919, now seen corresponding path program 1 times [2018-12-08 14:22:29,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:29,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:29,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:29,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:29,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 14:22:29,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:22:29,720 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/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 14:22:29,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:29,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:22:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 103 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:22:29,915 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 14:22:29,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2018-12-08 14:22:29,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 14:22:29,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 14:22:29,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:22:29,916 INFO L87 Difference]: Start difference. First operand 891 states and 1045 transitions. Second operand 8 states. [2018-12-08 14:22:30,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:30,428 INFO L93 Difference]: Finished difference Result 1984 states and 2483 transitions. [2018-12-08 14:22:30,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 14:22:30,428 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 220 [2018-12-08 14:22:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:30,432 INFO L225 Difference]: With dead ends: 1984 [2018-12-08 14:22:30,432 INFO L226 Difference]: Without dead ends: 1241 [2018-12-08 14:22:30,433 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:22:30,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2018-12-08 14:22:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1174. [2018-12-08 14:22:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2018-12-08 14:22:30,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1389 transitions. [2018-12-08 14:22:30,474 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1389 transitions. Word has length 220 [2018-12-08 14:22:30,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:30,474 INFO L480 AbstractCegarLoop]: Abstraction has 1174 states and 1389 transitions. [2018-12-08 14:22:30,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 14:22:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1389 transitions. [2018-12-08 14:22:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-08 14:22:30,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:30,477 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:22:30,478 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:30,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:30,478 INFO L82 PathProgramCache]: Analyzing trace with hash 257760553, now seen corresponding path program 1 times [2018-12-08 14:22:30,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:30,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:30,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:30,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:30,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 14:22:30,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:22:30,556 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/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 14:22:30,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:30,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:22:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 14:22:30,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 14:22:30,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-12-08 14:22:30,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 14:22:30,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 14:22:30,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-12-08 14:22:30,765 INFO L87 Difference]: Start difference. First operand 1174 states and 1389 transitions. Second operand 14 states. [2018-12-08 14:22:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:31,637 INFO L93 Difference]: Finished difference Result 3007 states and 4071 transitions. [2018-12-08 14:22:31,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 14:22:31,637 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2018-12-08 14:22:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:31,643 INFO L225 Difference]: With dead ends: 3007 [2018-12-08 14:22:31,643 INFO L226 Difference]: Without dead ends: 2101 [2018-12-08 14:22:31,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2018-12-08 14:22:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2018-12-08 14:22:31,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 1610. [2018-12-08 14:22:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2018-12-08 14:22:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 1938 transitions. [2018-12-08 14:22:31,709 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 1938 transitions. Word has length 224 [2018-12-08 14:22:31,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:31,710 INFO L480 AbstractCegarLoop]: Abstraction has 1610 states and 1938 transitions. [2018-12-08 14:22:31,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 14:22:31,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1938 transitions. [2018-12-08 14:22:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 14:22:31,713 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:31,713 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 14:22:31,713 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:31,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:31,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1474331281, now seen corresponding path program 2 times [2018-12-08 14:22:31,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:31,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:31,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:31,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:31,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 14:22:31,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:22:31,828 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:22:31,835 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 14:22:31,934 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 14:22:31,934 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 14:22:31,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:22:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 87 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 14:22:32,014 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 14:22:32,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2018-12-08 14:22:32,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 14:22:32,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 14:22:32,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-08 14:22:32,015 INFO L87 Difference]: Start difference. First operand 1610 states and 1938 transitions. Second operand 13 states. [2018-12-08 14:22:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:32,952 INFO L93 Difference]: Finished difference Result 3733 states and 4685 transitions. [2018-12-08 14:22:32,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-08 14:22:32,952 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-12-08 14:22:32,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:32,958 INFO L225 Difference]: With dead ends: 3733 [2018-12-08 14:22:32,959 INFO L226 Difference]: Without dead ends: 2321 [2018-12-08 14:22:32,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=734, Unknown=0, NotChecked=0, Total=930 [2018-12-08 14:22:32,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2018-12-08 14:22:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 1903. [2018-12-08 14:22:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2018-12-08 14:22:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2221 transitions. [2018-12-08 14:22:33,050 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2221 transitions. Word has length 220 [2018-12-08 14:22:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:33,051 INFO L480 AbstractCegarLoop]: Abstraction has 1903 states and 2221 transitions. [2018-12-08 14:22:33,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 14:22:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2221 transitions. [2018-12-08 14:22:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 14:22:33,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:22:33,054 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 14:22:33,054 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:22:33,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:22:33,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2004751889, now seen corresponding path program 1 times [2018-12-08 14:22:33,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:22:33,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:22:33,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:33,055 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 14:22:33,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:22:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 14:22:33,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:22:33,148 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:22:33,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:22:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:22:33,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:22:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 14:22:33,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:22:33,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 14:22:33,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 14:22:33,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 14:22:33,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 14:22:33,300 INFO L87 Difference]: Start difference. First operand 1903 states and 2221 transitions. Second operand 13 states. [2018-12-08 14:22:33,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:22:33,344 INFO L93 Difference]: Finished difference Result 2313 states and 2674 transitions. [2018-12-08 14:22:33,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 14:22:33,345 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-12-08 14:22:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:22:33,345 INFO L225 Difference]: With dead ends: 2313 [2018-12-08 14:22:33,345 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 14:22:33,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 14:22:33,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 14:22:33,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 14:22:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 14:22:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 14:22:33,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-12-08 14:22:33,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:22:33,348 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:22:33,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 14:22:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 14:22:33,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:22:33,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 14:22:33,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:33,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:22:34,023 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 39 [2018-12-08 14:22:34,208 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2018-12-08 14:22:34,502 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2018-12-08 14:22:35,022 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2018-12-08 14:22:36,105 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2018-12-08 14:22:36,575 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-08 14:22:36,575 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-08 14:22:36,575 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2018-12-08 14:22:36,575 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,575 INFO L444 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-12-08 14:22:36,575 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,575 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,575 INFO L444 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,575 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L451 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-08 14:22:36,576 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,576 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L451 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-12-08 14:22:36,576 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2 (or .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1)))) (let ((.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse1 (or .cse5 .cse11 .cse9)) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (or .cse11 .cse9 .cse10)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse2 .cse3)) (or .cse5 .cse6 .cse7 .cse8 .cse9 (not (= ~methAndRunningLastTime~0 0))) (or .cse6 .cse7 (or .cse8 .cse9 .cse10)) (or .cse1 .cse6 .cse0 .cse7) (or .cse6 .cse4 .cse7 .cse0)))) [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (or .cse8 .cse4 .cse2)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5 .cse6) (or .cse7 .cse0 .cse1) (or .cse7 .cse5 .cse6) (or .cse8 .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (or .cse10 .cse7 .cse9)) (.cse5 (or .cse6 .cse10 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2)) (.cse0 (< 1 ~waterLevel~0)) (.cse8 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse7 (not (= ~methAndRunningLastTime~0 0)) .cse8) (or .cse0 .cse8 .cse2 (or .cse7 .cse9))))) [2018-12-08 14:22:36,577 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (or .cse9 .cse4 .cse5)) (.cse7 (< 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or (or .cse4 .cse5 .cse6) .cse2 .cse3)) (or .cse0 .cse7 .cse8 (or .cse5 .cse6)) (or .cse0 .cse9 .cse7 .cse8 .cse5 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse7 .cse0 .cse8)))) [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (or .cse10 .cse7 .cse8)) (.cse5 (or .cse9 .cse10 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse0 .cse2 (or .cse7 .cse8)) (or .cse5 .cse3 .cse4) (or .cse6 .cse9 .cse0 .cse2 .cse7 (not (= ~methAndRunningLastTime~0 0)))))) [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-12-08 14:22:36,577 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,578 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (not (= ~systemActive~0 1)) (and .cse6 .cse0 .cse7 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse8 .cse6 .cse7 .cse3 .cse4) (and (and .cse8 .cse0 .cse1 .cse3 .cse4) .cse5))) [2018-12-08 14:22:36,578 INFO L444 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse7 .cse5 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse1 .cse7 .cse8 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5))) [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L444 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L444 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6 .cse2 .cse3))) [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2018-12-08 14:22:36,578 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse5 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse6 .cse1 .cse7 .cse8 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5))) [2018-12-08 14:22:36,578 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< 2 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4)) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse1 (or .cse3 .cse4 .cse5) .cse2) (or .cse6 .cse7 (or .cse4 .cse5)) (or .cse0 .cse6 .cse7)))) [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (or .cse1 .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-12-08 14:22:36,579 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2018-12-08 14:22:36,579 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:22:36,580 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 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4))) [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4))) [2018-12-08 14:22:36,580 INFO L444 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3))) [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-12-08 14:22:36,580 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse9 (< 1 ~waterLevel~0)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse10 (< ~waterLevel~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 (or .cse7 .cse8 .cse0 .cse1 .cse2 .cse3)) (or .cse9 .cse8 .cse5 .cse10 .cse2 .cse3 .cse4) (or .cse7 .cse9 .cse8 .cse10 .cse6 .cse2 .cse3))) [2018-12-08 14:22:36,580 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (<= ~waterLevel~0 1)) (.cse10 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1) .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse4 .cse5) (or (and .cse8 .cse9 .cse10 .cse3) (or .cse11 .cse12 (or .cse1 .cse5)) .cse13) (or .cse14 .cse0 (and .cse2 .cse6 .cse3) .cse1 .cse7 .cse4) (or (or .cse14 .cse11 .cse12 .cse1 .cse4) .cse13 (and .cse8 .cse9 .cse10 .cse6 .cse3))))) [2018-12-08 14:22:36,581 INFO L444 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (and (not (= |old(~pumpRunning~0)| 0)) .cse8 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 (< |old(~waterLevel~0)| 1) .cse3 (and .cse6 .cse7) .cse5) (or (and .cse8 .cse6 .cse7) (or .cse0 .cse9 .cse10 .cse3 .cse5) .cse11) (or .cse6 .cse11 (or .cse9 .cse10 (or .cse3 .cse12))) (or .cse1 .cse3 .cse4 .cse5 .cse12 (and .cse6 .cse2 .cse7))))) [2018-12-08 14:22:36,581 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse7 .cse8 .cse3 .cse4) (and .cse9 (= 0 ~methAndRunningLastTime~0) .cse10)) (or .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (or (or .cse7 .cse8 (or .cse3 .cse5)) (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10)) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse5 (and .cse10 .cse12 .cse11)) (.cse8 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse5 .cse3 .cse4) (or .cse6 .cse7 .cse5 .cse8 .cse3 .cse4 .cse9) (or (or .cse1 .cse2 (or .cse3 .cse9)) (and .cse10 .cse11)) (or (or .cse7 .cse1 .cse2 .cse3 .cse4 .cse9) .cse12)))) [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2018-12-08 14:22:36,581 INFO L451 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L451 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2018-12-08 14:22:36,581 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 14:22:36,581 INFO L451 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2018-12-08 14:22:36,581 INFO L451 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 14:22:36,582 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse6 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse2 .cse3)) (or .cse1 .cse5 .cse0 .cse6) (or .cse5 .cse4 .cse6 .cse0)))) [2018-12-08 14:22:36,582 INFO L444 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse4 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 1)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse6) .cse2) (or .cse2 (or .cse1 .cse5 .cse6)) (or .cse4 .cse0 .cse3 .cse2)))) [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2018-12-08 14:22:36,582 INFO L444 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse4 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 (or .cse4 .cse5 .cse6)) (or .cse3 (or .cse1 .cse5 .cse6)) (or .cse4 .cse0 .cse2)))) [2018-12-08 14:22:36,582 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse6 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse2 .cse3)) (or .cse1 .cse5 .cse0 .cse6) (or .cse5 .cse4 .cse6 .cse0)))) [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L444 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse5 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse5 .cse3 .cse4)))) [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse5 .cse0 (or .cse7 .cse1) .cse2 .cse3) (or (or .cse6 .cse7 .cse1 .cse8 .cse3) .cse5) (or (or .cse7 .cse1 .cse8 .cse3 .cse4) .cse5))) [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2018-12-08 14:22:36,583 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2018-12-08 14:22:36,583 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2018-12-08 14:22:36,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:22:36 BoogieIcfgContainer [2018-12-08 14:22:36,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:22:36,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:22:36,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:22:36,591 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:22:36,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:22:26" (3/4) ... [2018-12-08 14:22:36,594 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 14:22:36,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 14:22:36,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:22:36,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 14:22:36,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 14:22:36,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 14:22:36,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 14:22:36,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 14:22:36,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 14:22:36,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 14:22:36,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 14:22:36,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((2 <= waterLevel && 0 == pumpRunning) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-08 14:22:36,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 14:22:36,646 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1270d198-cf61-4bbe-a9f6-0019d5c66e42/bin-2019/uautomizer/witness.graphml [2018-12-08 14:22:36,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:22:36,647 INFO L168 Benchmark]: Toolchain (without parser) took 10810.05 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 453.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 342.6 MB. Max. memory is 11.5 GB. [2018-12-08 14:22:36,647 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:22:36,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:22:36,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.51 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 14:22:36,648 INFO L168 Benchmark]: Boogie Preprocessor took 23.40 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:22:36,648 INFO L168 Benchmark]: RCFGBuilder took 321.32 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-08 14:22:36,648 INFO L168 Benchmark]: TraceAbstraction took 10067.93 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 336.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.2 MB). Peak memory consumption was 571.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:22:36,648 INFO L168 Benchmark]: Witness Printer took 55.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:22:36,649 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.51 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 23.40 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 321.32 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10067.93 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 336.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.2 MB). Peak memory consumption was 571.0 MB. Max. memory is 11.5 GB. * Witness Printer took 55.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: ((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((2 <= waterLevel && 0 == pumpRunning) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2956 SDtfs, 3528 SDslu, 7684 SDs, 0 SdLazy, 5379 SolverSat, 1736 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1206 GetRequests, 1049 SyntacticMatches, 5 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1903occurred in iteration=14, 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: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1450 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4063 PreInvPairs, 4123 NumberOfFragments, 3332 HoareAnnotationTreeSize, 4063 FomulaSimplifications, 14545 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 11939 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2829 NumberOfCodeBlocks, 2829 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2809 ConstructedInterpolants, 0 QuantifiedInterpolants, 753447 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4960 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 939/1054 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...