./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_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_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/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 23f993c1cfae7b9f66cc8c2fd252077854486eec .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:36:12,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:36:12,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:36:12,359 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:36:12,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:36:12,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:36:12,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:36:12,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:36:12,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:36:12,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:36:12,364 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:36:12,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:36:12,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:36:12,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:36:12,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:36:12,367 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:36:12,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:36:12,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:36:12,370 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:36:12,371 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:36:12,372 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:36:12,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:36:12,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:36:12,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:36:12,375 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:36:12,376 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:36:12,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:36:12,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:36:12,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:36:12,378 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:36:12,378 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:36:12,379 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:36:12,379 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:36:12,379 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:36:12,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:36:12,380 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:36:12,381 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 09:36:12,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:36:12,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:36:12,392 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:36:12,392 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:36:12,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:36:12,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:36:12,392 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:36:12,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:36:12,393 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:36:12,394 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:36:12,394 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:36:12,394 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:36:12,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:36:12,394 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:36:12,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:36:12,394 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:36:12,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:36:12,395 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:36:12,395 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:36:12,395 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:36:12,395 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 09:36:12,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:36:12,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:36:12,395 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_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/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 -> 23f993c1cfae7b9f66cc8c2fd252077854486eec [2018-12-09 09:36:12,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:36:12,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:36:12,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:36:12,426 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:36:12,426 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:36:12,427 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-09 09:36:12,460 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/data/812b4d54d/492348b406444234bb5c2f979a9a5507/FLAG7d0a46c0b [2018-12-09 09:36:12,903 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:36:12,903 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-09 09:36:12,910 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/data/812b4d54d/492348b406444234bb5c2f979a9a5507/FLAG7d0a46c0b [2018-12-09 09:36:12,918 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/data/812b4d54d/492348b406444234bb5c2f979a9a5507 [2018-12-09 09:36:12,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:36:12,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:36:12,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:36:12,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:36:12,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:36:12,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:36:12" (1/1) ... [2018-12-09 09:36:12,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:12, skipping insertion in model container [2018-12-09 09:36:12,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:36:12" (1/1) ... [2018-12-09 09:36:12,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:36:12,950 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:36:13,096 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:36:13,136 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:36:13,187 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:36:13,203 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:36:13,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13 WrapperNode [2018-12-09 09:36:13,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:36:13,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:36:13,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:36:13,204 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:36:13,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:36:13,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:36:13,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:36:13,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:36:13,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... [2018-12-09 09:36:13,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:36:13,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:36:13,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:36:13,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:36:13,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/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 [2018-12-09 09:36:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:36:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:36:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:36:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:36:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 09:36:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 09:36:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:36:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:36:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:36:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:36:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:36:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:36:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:36:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:36:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:36:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:36:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:36:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 09:36:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 09:36:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 09:36:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 09:36:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:36:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:36:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:36:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:36:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 09:36:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 09:36:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:36:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:36:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:36:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:36:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:36:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:36:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:36:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:36:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:36:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:36:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:36:13,614 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:36:13,614 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:36:13,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:36:13 BoogieIcfgContainer [2018-12-09 09:36:13,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:36:13,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:36:13,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:36:13,619 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:36:13,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:36:12" (1/3) ... [2018-12-09 09:36:13,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:36:13, skipping insertion in model container [2018-12-09 09:36:13,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:36:13" (2/3) ... [2018-12-09 09:36:13,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:36:13, skipping insertion in model container [2018-12-09 09:36:13,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:36:13" (3/3) ... [2018-12-09 09:36:13,622 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-09 09:36:13,630 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:36:13,637 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:36:13,651 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:36:13,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:36:13,672 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:36:13,672 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:36:13,672 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:36:13,672 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:36:13,672 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:36:13,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:36:13,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:36:13,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:36:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-12-09 09:36:13,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:36:13,691 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:13,691 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] [2018-12-09 09:36:13,693 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:13,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:13,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1438635826, now seen corresponding path program 1 times [2018-12-09 09:36:13,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:13,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:13,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:13,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:13,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:36:13,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:13,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:36:13,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:36:13,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:36:13,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:36:13,853 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-12-09 09:36:13,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:13,877 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2018-12-09 09:36:13,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:36:13,878 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 09:36:13,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:13,885 INFO L225 Difference]: With dead ends: 314 [2018-12-09 09:36:13,885 INFO L226 Difference]: Without dead ends: 159 [2018-12-09 09:36:13,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:36:13,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-09 09:36:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-12-09 09:36:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-12-09 09:36:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-12-09 09:36:13,919 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2018-12-09 09:36:13,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:13,920 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-12-09 09:36:13,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:36:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-12-09 09:36:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:36:13,921 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:13,922 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:36:13,922 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:13,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:13,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2066845612, now seen corresponding path program 1 times [2018-12-09 09:36:13,922 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:13,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:13,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:13,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:13,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:36:13,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:13,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:36:13,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:36:13,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:36:13,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:36:13,981 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-12-09 09:36:14,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:14,000 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-12-09 09:36:14,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:36:14,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 09:36:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:14,002 INFO L225 Difference]: With dead ends: 259 [2018-12-09 09:36:14,002 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 09:36:14,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:36:14,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 09:36:14,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-09 09:36:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-09 09:36:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-12-09 09:36:14,011 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2018-12-09 09:36:14,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:14,011 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-12-09 09:36:14,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:36:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-12-09 09:36:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 09:36:14,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:14,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:36:14,013 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:14,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:14,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1429957542, now seen corresponding path program 1 times [2018-12-09 09:36:14,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:14,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:14,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:14,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:36:14,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:14,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:36:14,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:36:14,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:36:14,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:36:14,085 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-12-09 09:36:14,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:14,262 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2018-12-09 09:36:14,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:36:14,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 09:36:14,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:14,263 INFO L225 Difference]: With dead ends: 272 [2018-12-09 09:36:14,263 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 09:36:14,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:36:14,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 09:36:14,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-09 09:36:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-09 09:36:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-12-09 09:36:14,272 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2018-12-09 09:36:14,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:14,272 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-12-09 09:36:14,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:36:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-12-09 09:36:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 09:36:14,274 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:14,274 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:36:14,274 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:14,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:14,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1157434000, now seen corresponding path program 1 times [2018-12-09 09:36:14,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:14,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:14,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:14,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:36:14,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:14,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 09:36:14,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 09:36:14,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 09:36:14,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:36:14,340 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 5 states. [2018-12-09 09:36:14,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:14,678 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2018-12-09 09:36:14,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:36:14,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-09 09:36:14,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:14,680 INFO L225 Difference]: With dead ends: 388 [2018-12-09 09:36:14,680 INFO L226 Difference]: Without dead ends: 266 [2018-12-09 09:36:14,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:36:14,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-09 09:36:14,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 247. [2018-12-09 09:36:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-12-09 09:36:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2018-12-09 09:36:14,698 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2018-12-09 09:36:14,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:14,699 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2018-12-09 09:36:14,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 09:36:14,699 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2018-12-09 09:36:14,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 09:36:14,700 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:14,700 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:36:14,700 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:14,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:14,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1794259625, now seen corresponding path program 1 times [2018-12-09 09:36:14,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:14,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:14,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:14,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:36:14,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:14,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:36:14,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:36:14,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:36:14,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:36:14,769 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 6 states. [2018-12-09 09:36:14,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:14,898 INFO L93 Difference]: Finished difference Result 667 states and 782 transitions. [2018-12-09 09:36:14,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:36:14,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 09:36:14,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:14,901 INFO L225 Difference]: With dead ends: 667 [2018-12-09 09:36:14,901 INFO L226 Difference]: Without dead ends: 448 [2018-12-09 09:36:14,902 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 [2018-12-09 09:36:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-12-09 09:36:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2018-12-09 09:36:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-12-09 09:36:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2018-12-09 09:36:14,937 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2018-12-09 09:36:14,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:14,937 INFO L480 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2018-12-09 09:36:14,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:36:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2018-12-09 09:36:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 09:36:14,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:14,938 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:36:14,939 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:14,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:14,939 INFO L82 PathProgramCache]: Analyzing trace with hash -465119795, now seen corresponding path program 1 times [2018-12-09 09:36:14,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:14,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:14,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:14,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:36:14,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:14,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:36:14,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:36:14,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:36:14,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:36:14,995 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 7 states. [2018-12-09 09:36:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:15,322 INFO L93 Difference]: Finished difference Result 887 states and 1036 transitions. [2018-12-09 09:36:15,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:36:15,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-09 09:36:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:15,325 INFO L225 Difference]: With dead ends: 887 [2018-12-09 09:36:15,325 INFO L226 Difference]: Without dead ends: 473 [2018-12-09 09:36:15,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:36:15,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-12-09 09:36:15,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 441. [2018-12-09 09:36:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-12-09 09:36:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2018-12-09 09:36:15,342 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2018-12-09 09:36:15,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:15,342 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2018-12-09 09:36:15,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:36:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2018-12-09 09:36:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 09:36:15,343 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:15,344 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, 1, 1] [2018-12-09 09:36:15,344 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:15,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:15,344 INFO L82 PathProgramCache]: Analyzing trace with hash -712209462, now seen corresponding path program 1 times [2018-12-09 09:36:15,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:15,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:15,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:15,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:36:15,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:15,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:36:15,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:36:15,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:36:15,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:36:15,386 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 6 states. [2018-12-09 09:36:15,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:15,416 INFO L93 Difference]: Finished difference Result 868 states and 1010 transitions. [2018-12-09 09:36:15,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:36:15,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-12-09 09:36:15,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:15,418 INFO L225 Difference]: With dead ends: 868 [2018-12-09 09:36:15,419 INFO L226 Difference]: Without dead ends: 455 [2018-12-09 09:36:15,420 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 [2018-12-09 09:36:15,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-09 09:36:15,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2018-12-09 09:36:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-12-09 09:36:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2018-12-09 09:36:15,442 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2018-12-09 09:36:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:15,442 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2018-12-09 09:36:15,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:36:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2018-12-09 09:36:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 09:36:15,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:15,444 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, 1, 1] [2018-12-09 09:36:15,444 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:15,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:15,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1226952584, now seen corresponding path program 1 times [2018-12-09 09:36:15,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:15,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:15,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:15,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:36:15,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:15,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:36:15,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:36:15,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:36:15,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:36:15,513 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 8 states. [2018-12-09 09:36:15,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:15,540 INFO L93 Difference]: Finished difference Result 888 states and 1032 transitions. [2018-12-09 09:36:15,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:36:15,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-12-09 09:36:15,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:15,542 INFO L225 Difference]: With dead ends: 888 [2018-12-09 09:36:15,543 INFO L226 Difference]: Without dead ends: 465 [2018-12-09 09:36:15,544 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 [2018-12-09 09:36:15,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-12-09 09:36:15,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2018-12-09 09:36:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-12-09 09:36:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2018-12-09 09:36:15,562 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2018-12-09 09:36:15,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:15,563 INFO L480 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2018-12-09 09:36:15,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:36:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2018-12-09 09:36:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 09:36:15,564 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:15,564 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, 1, 1] [2018-12-09 09:36:15,564 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:15,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:15,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1996122599, now seen corresponding path program 1 times [2018-12-09 09:36:15,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:15,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:15,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:15,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:36:15,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:36:15,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:36:15,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:36:15,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:36:15,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:36:15,617 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 4 states. [2018-12-09 09:36:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:15,756 INFO L93 Difference]: Finished difference Result 1362 states and 1616 transitions. [2018-12-09 09:36:15,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:36:15,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-12-09 09:36:15,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:15,761 INFO L225 Difference]: With dead ends: 1362 [2018-12-09 09:36:15,761 INFO L226 Difference]: Without dead ends: 931 [2018-12-09 09:36:15,762 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 [2018-12-09 09:36:15,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2018-12-09 09:36:15,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 916. [2018-12-09 09:36:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2018-12-09 09:36:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1065 transitions. [2018-12-09 09:36:15,795 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1065 transitions. Word has length 109 [2018-12-09 09:36:15,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:15,795 INFO L480 AbstractCegarLoop]: Abstraction has 916 states and 1065 transitions. [2018-12-09 09:36:15,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:36:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1065 transitions. [2018-12-09 09:36:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 09:36:15,797 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:15,797 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, 1, 1, 1, 1, 1, 1] [2018-12-09 09:36:15,797 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:15,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:15,797 INFO L82 PathProgramCache]: Analyzing trace with hash -805538195, now seen corresponding path program 1 times [2018-12-09 09:36:15,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:15,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:15,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:15,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 09:36:15,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:36:15,883 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/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 [2018-12-09 09:36:15,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:15,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:36:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:36:16,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:36:16,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 09:36:16,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 09:36:16,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 09:36:16,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:36:16,128 INFO L87 Difference]: Start difference. First operand 916 states and 1065 transitions. Second operand 19 states. [2018-12-09 09:36:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:16,728 INFO L93 Difference]: Finished difference Result 1771 states and 2082 transitions. [2018-12-09 09:36:16,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 09:36:16,728 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 113 [2018-12-09 09:36:16,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:16,730 INFO L225 Difference]: With dead ends: 1771 [2018-12-09 09:36:16,731 INFO L226 Difference]: Without dead ends: 883 [2018-12-09 09:36:16,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 09:36:16,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2018-12-09 09:36:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 883. [2018-12-09 09:36:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2018-12-09 09:36:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1011 transitions. [2018-12-09 09:36:16,758 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1011 transitions. Word has length 113 [2018-12-09 09:36:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:16,758 INFO L480 AbstractCegarLoop]: Abstraction has 883 states and 1011 transitions. [2018-12-09 09:36:16,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 09:36:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1011 transitions. [2018-12-09 09:36:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 09:36:16,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:36:16,760 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:36:16,760 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:36:16,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:36:16,761 INFO L82 PathProgramCache]: Analyzing trace with hash -351885307, now seen corresponding path program 1 times [2018-12-09 09:36:16,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:36:16,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:36:16,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:16,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:16,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:36:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 09:36:16,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:36:16,856 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/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 [2018-12-09 09:36:16,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:36:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:36:16,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:36:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 09:36:17,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:36:17,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 09:36:17,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 09:36:17,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 09:36:17,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:36:17,074 INFO L87 Difference]: Start difference. First operand 883 states and 1011 transitions. Second operand 19 states. [2018-12-09 09:36:17,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:36:17,674 INFO L93 Difference]: Finished difference Result 1475 states and 1716 transitions. [2018-12-09 09:36:17,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 09:36:17,675 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 183 [2018-12-09 09:36:17,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:36:17,675 INFO L225 Difference]: With dead ends: 1475 [2018-12-09 09:36:17,676 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:36:17,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 09:36:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:36:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:36:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:36:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:36:17,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-12-09 09:36:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:36:17,679 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:36:17,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 09:36:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:36:17,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:36:17,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:36:17,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:17,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:36:18,511 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-12-09 09:36:19,390 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-12-09 09:36:19,550 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2018-12-09 09:36:19,550 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2018-12-09 09:36:19,550 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2018-12-09 09:36:19,550 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2018-12-09 09:36:19,550 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2018-12-09 09:36:19,550 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,550 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-12-09 09:36:19,550 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,550 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,550 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-12-09 09:36:19,550 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-12-09 09:36:19,550 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 09:36:19,550 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,550 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,551 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L444 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L444 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-09 09:36:19,551 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-09 09:36:19,551 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2018-12-09 09:36:19,551 INFO L451 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2018-12-09 09:36:19,552 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,552 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2018-12-09 09:36:19,552 INFO L451 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2018-12-09 09:36:19,552 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-09 09:36:19,553 INFO L444 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1))) [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L444 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-09 09:36:19,553 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse2 .cse0))) [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2018-12-09 09:36:19,553 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2018-12-09 09:36:19,553 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,553 INFO L444 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:36:19,553 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L444 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L444 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 09:36:19,554 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2018-12-09 09:36:19,554 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L451 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: true [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L444 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:36:19,555 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~9 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 09:36:19,555 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2018-12-09 09:36:19,555 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 989) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L451 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2018-12-09 09:36:19,556 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse4 .cse1 .cse8)))) [2018-12-09 09:36:19,556 INFO L444 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7)))) [2018-12-09 09:36:19,556 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse1 .cse0))) [2018-12-09 09:36:19,557 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse8 .cse1) (or .cse7 .cse1 .cse2 .cse8) (or .cse3 .cse0 .cse1)))) [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:36:19,557 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-09 09:36:19,557 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:36:19,557 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-09 09:36:19,558 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L444 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse0 .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-12-09 09:36:19,558 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| 0) .cse2 .cse4) (or (and .cse5 .cse3) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-12-09 09:36:19,558 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-12-09 09:36:19,559 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-12-09 09:36:19,559 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-12-09 09:36:19,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:36:19 BoogieIcfgContainer [2018-12-09 09:36:19,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:36:19,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:36:19,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:36:19,566 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:36:19,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:36:13" (3/4) ... [2018-12-09 09:36:19,569 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:36:19,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:36:19,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 09:36:19,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:36:19,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:36:19,579 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 09:36:19,579 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 09:36:19,579 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 09:36:19,580 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:36:19,580 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:36:19,580 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:36:19,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) [2018-12-09 09:36:19,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:36:19,619 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d8c8ba95-f8ae-42fa-a8ec-1c7643a85d0a/bin-2019/uautomizer/witness.graphml [2018-12-09 09:36:19,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:36:19,620 INFO L168 Benchmark]: Toolchain (without parser) took 6699.83 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 338.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 189.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:36:19,620 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-09 09:36:19,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:36:19,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.67 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. [2018-12-09 09:36:19,621 INFO L168 Benchmark]: Boogie Preprocessor took 23.45 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. [2018-12-09 09:36:19,621 INFO L168 Benchmark]: RCFGBuilder took 366.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:36:19,621 INFO L168 Benchmark]: TraceAbstraction took 5950.26 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 233.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.2 MB). Peak memory consumption was 419.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:36:19,621 INFO L168 Benchmark]: Witness Printer took 53.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:36:19,622 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 282.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.67 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 23.45 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. * RCFGBuilder took 366.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5950.26 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 233.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.2 MB). Peak memory consumption was 419.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2301 SDtfs, 1606 SDslu, 8305 SDs, 0 SdLazy, 3498 SolverSat, 388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 336 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2054 PreInvPairs, 2152 NumberOfFragments, 1792 HoareAnnotationTreeSize, 2054 FomulaSimplifications, 2474 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 72 FomulaSimplificationsInter, 6950 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1336 NumberOfCodeBlocks, 1336 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 242627 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1773 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 117/121 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...