./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_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_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/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 ae33dcba0147a107c551c432e2bfc2c49f1e3070 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:32:31,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:32:31,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:32:31,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:32:31,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:32:31,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:32:31,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:32:31,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:32:31,407 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:32:31,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:32:31,408 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:32:31,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:32:31,409 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:32:31,410 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:32:31,411 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:32:31,411 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:32:31,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:32:31,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:32:31,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:32:31,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:32:31,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:32:31,417 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:32:31,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:32:31,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:32:31,419 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:32:31,419 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:32:31,420 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:32:31,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:32:31,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:32:31,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:32:31,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:32:31,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:32:31,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:32:31,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:32:31,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:32:31,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:32:31,424 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 18:32:31,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:32:31,431 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:32:31,432 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:32:31,432 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 18:32:31,432 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:32:31,432 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:32:31,433 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:32:31,433 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:32:31,433 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:32:31,433 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:32:31,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:32:31,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:32:31,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:32:31,434 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:32:31,434 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:32:31,434 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:32:31,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:32:31,434 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:32:31,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:32:31,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:32:31,435 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:32:31,435 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:32:31,435 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 18:32:31,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 18:32:31,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:32:31,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:32:31,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:32:31,435 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:32:31,436 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:32:31,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:32:31,436 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_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/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 -> ae33dcba0147a107c551c432e2bfc2c49f1e3070 [2018-12-01 18:32:31,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:32:31,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:32:31,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:32:31,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:32:31,472 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:32:31,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-12-01 18:32:31,507 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/data/d8760c164/55a549b1f8a2496f9f57af7d3ce83765/FLAGa0b125958 [2018-12-01 18:32:31,830 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:32:31,830 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-12-01 18:32:31,836 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/data/d8760c164/55a549b1f8a2496f9f57af7d3ce83765/FLAGa0b125958 [2018-12-01 18:32:32,234 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/data/d8760c164/55a549b1f8a2496f9f57af7d3ce83765 [2018-12-01 18:32:32,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:32:32,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:32:32,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:32:32,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:32:32,241 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:32:32,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20866eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32, skipping insertion in model container [2018-12-01 18:32:32,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:32:32,273 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:32:32,418 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:32:32,426 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:32:32,500 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:32:32,516 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:32:32,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32 WrapperNode [2018-12-01 18:32:32,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:32:32,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:32:32,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:32:32,517 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:32:32,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:32:32,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:32:32,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:32:32,538 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:32:32,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... [2018-12-01 18:32:32,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:32:32,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:32:32,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:32:32,560 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:32:32,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/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 [2018-12-01 18:32:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 18:32:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 18:32:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-01 18:32:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-01 18:32:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 18:32:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 18:32:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 18:32:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 18:32:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:32:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 18:32:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 18:32:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 18:32:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 18:32:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 18:32:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 18:32:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 18:32:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 18:32:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 18:32:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 18:32:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 18:32:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 18:32:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 18:32:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 18:32:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 18:32:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 18:32:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 18:32:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 18:32:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 18:32:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 18:32:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 18:32:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 18:32:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 18:32:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 18:32:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 18:32:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 18:32:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:32:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:32:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 18:32:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 18:32:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 18:32:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 18:32:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 18:32:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 18:32:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 18:32:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 18:32:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 18:32:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 18:32:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 18:32:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 18:32:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 18:32:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 18:32:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 18:32:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 18:32:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:32:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 18:32:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 18:32:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 18:32:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 18:32:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 18:32:32,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 18:32:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:32:32,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:32:32,912 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:32:32,912 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 18:32:32,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:32:32 BoogieIcfgContainer [2018-12-01 18:32:32,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:32:32,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 18:32:32,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 18:32:32,915 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 18:32:32,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 06:32:32" (1/3) ... [2018-12-01 18:32:32,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550e1909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:32:32, skipping insertion in model container [2018-12-01 18:32:32,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:32:32" (2/3) ... [2018-12-01 18:32:32,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550e1909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:32:32, skipping insertion in model container [2018-12-01 18:32:32,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:32:32" (3/3) ... [2018-12-01 18:32:32,917 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-12-01 18:32:32,923 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 18:32:32,928 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 18:32:32,937 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 18:32:32,955 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:32:32,956 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 18:32:32,956 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 18:32:32,956 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 18:32:32,956 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:32:32,956 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:32:32,956 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 18:32:32,956 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:32:32,956 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 18:32:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-01 18:32:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 18:32:32,974 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:32,974 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] [2018-12-01 18:32:32,976 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:32,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:32,979 INFO L82 PathProgramCache]: Analyzing trace with hash 697670877, now seen corresponding path program 1 times [2018-12-01 18:32:32,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:32,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:33,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:33,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:32:33,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:32:33,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 18:32:33,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 18:32:33,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 18:32:33,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 18:32:33,127 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-12-01 18:32:33,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:33,151 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-12-01 18:32:33,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 18:32:33,152 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 18:32:33,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:33,160 INFO L225 Difference]: With dead ends: 292 [2018-12-01 18:32:33,160 INFO L226 Difference]: Without dead ends: 146 [2018-12-01 18:32:33,162 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 [2018-12-01 18:32:33,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-01 18:32:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-01 18:32:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-01 18:32:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-01 18:32:33,194 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-12-01 18:32:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:33,194 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-01 18:32:33,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 18:32:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-01 18:32:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:32:33,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:33,196 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] [2018-12-01 18:32:33,196 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:33,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:33,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1056936711, now seen corresponding path program 1 times [2018-12-01 18:32:33,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:33,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:33,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:33,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:32:33,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:32:33,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:32:33,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 18:32:33,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 18:32:33,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:32:33,258 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-12-01 18:32:33,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:33,277 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2018-12-01 18:32:33,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 18:32:33,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 18:32:33,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:33,279 INFO L225 Difference]: With dead ends: 241 [2018-12-01 18:32:33,279 INFO L226 Difference]: Without dead ends: 137 [2018-12-01 18:32:33,281 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 [2018-12-01 18:32:33,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-01 18:32:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-01 18:32:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-01 18:32:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-12-01 18:32:33,292 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-12-01 18:32:33,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:33,292 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-12-01 18:32:33,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 18:32:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-12-01 18:32:33,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 18:32:33,294 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:33,294 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] [2018-12-01 18:32:33,294 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:33,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:33,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1110661237, now seen corresponding path program 1 times [2018-12-01 18:32:33,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:33,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:33,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:33,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:32:33,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:32:33,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 18:32:33,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 18:32:33,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 18:32:33,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 18:32:33,388 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-12-01 18:32:33,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:33,551 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2018-12-01 18:32:33,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 18:32:33,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-01 18:32:33,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:33,553 INFO L225 Difference]: With dead ends: 250 [2018-12-01 18:32:33,553 INFO L226 Difference]: Without dead ends: 137 [2018-12-01 18:32:33,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 18:32:33,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-01 18:32:33,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-01 18:32:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-01 18:32:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-12-01 18:32:33,562 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2018-12-01 18:32:33,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:33,562 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-12-01 18:32:33,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 18:32:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-12-01 18:32:33,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 18:32:33,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:33,563 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:32:33,563 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:33,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:33,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1943254263, now seen corresponding path program 1 times [2018-12-01 18:32:33,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:33,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:33,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:33,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:32:33,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:32:33,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 18:32:33,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 18:32:33,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 18:32:33,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:32:33,635 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2018-12-01 18:32:33,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:33,916 INFO L93 Difference]: Finished difference Result 352 states and 425 transitions. [2018-12-01 18:32:33,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 18:32:33,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-01 18:32:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:33,918 INFO L225 Difference]: With dead ends: 352 [2018-12-01 18:32:33,918 INFO L226 Difference]: Without dead ends: 239 [2018-12-01 18:32:33,919 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 [2018-12-01 18:32:33,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-12-01 18:32:33,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2018-12-01 18:32:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-12-01 18:32:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-12-01 18:32:33,932 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2018-12-01 18:32:33,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:33,933 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-12-01 18:32:33,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 18:32:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-12-01 18:32:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 18:32:33,934 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:33,934 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:32:33,934 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:33,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:33,934 INFO L82 PathProgramCache]: Analyzing trace with hash -215738354, now seen corresponding path program 1 times [2018-12-01 18:32:33,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:33,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:33,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:33,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:32:34,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:32:34,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 18:32:34,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 18:32:34,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 18:32:34,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 18:32:34,015 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 10 states. [2018-12-01 18:32:34,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:34,342 INFO L93 Difference]: Finished difference Result 703 states and 867 transitions. [2018-12-01 18:32:34,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 18:32:34,343 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-12-01 18:32:34,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:34,345 INFO L225 Difference]: With dead ends: 703 [2018-12-01 18:32:34,346 INFO L226 Difference]: Without dead ends: 506 [2018-12-01 18:32:34,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-01 18:32:34,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-12-01 18:32:34,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2018-12-01 18:32:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-12-01 18:32:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 582 transitions. [2018-12-01 18:32:34,372 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 582 transitions. Word has length 83 [2018-12-01 18:32:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:34,372 INFO L480 AbstractCegarLoop]: Abstraction has 496 states and 582 transitions. [2018-12-01 18:32:34,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 18:32:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 582 transitions. [2018-12-01 18:32:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 18:32:34,374 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:34,375 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 18:32:34,375 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:34,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:34,375 INFO L82 PathProgramCache]: Analyzing trace with hash -243545585, now seen corresponding path program 1 times [2018-12-01 18:32:34,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:34,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:34,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:34,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:34,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:32:34,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:32:34,440 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/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 [2018-12-01 18:32:34,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:34,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:32:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 18:32:34,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:32:34,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-01 18:32:34,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:32:34,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:32:34,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:32:34,572 INFO L87 Difference]: Start difference. First operand 496 states and 582 transitions. Second operand 6 states. [2018-12-01 18:32:34,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:34,615 INFO L93 Difference]: Finished difference Result 983 states and 1179 transitions. [2018-12-01 18:32:34,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 18:32:34,615 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-12-01 18:32:34,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:34,617 INFO L225 Difference]: With dead ends: 983 [2018-12-01 18:32:34,617 INFO L226 Difference]: Without dead ends: 511 [2018-12-01 18:32:34,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 18:32:34,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-01 18:32:34,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2018-12-01 18:32:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-12-01 18:32:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 598 transitions. [2018-12-01 18:32:34,643 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 598 transitions. Word has length 131 [2018-12-01 18:32:34,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:34,644 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 598 transitions. [2018-12-01 18:32:34,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:32:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 598 transitions. [2018-12-01 18:32:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 18:32:34,646 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:34,646 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 18:32:34,646 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:34,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:34,646 INFO L82 PathProgramCache]: Analyzing trace with hash -3305839, now seen corresponding path program 1 times [2018-12-01 18:32:34,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:34,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:34,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:34,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:34,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:32:34,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:32:34,735 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/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 [2018-12-01 18:32:34,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:34,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:32:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 18:32:34,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:32:34,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-01 18:32:34,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 18:32:34,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 18:32:34,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-01 18:32:34,897 INFO L87 Difference]: Start difference. First operand 511 states and 598 transitions. Second operand 11 states. [2018-12-01 18:32:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:34,935 INFO L93 Difference]: Finished difference Result 926 states and 1115 transitions. [2018-12-01 18:32:34,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 18:32:34,935 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2018-12-01 18:32:34,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:34,937 INFO L225 Difference]: With dead ends: 926 [2018-12-01 18:32:34,937 INFO L226 Difference]: Without dead ends: 439 [2018-12-01 18:32:34,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-01 18:32:34,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-12-01 18:32:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2018-12-01 18:32:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-12-01 18:32:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 507 transitions. [2018-12-01 18:32:34,951 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 507 transitions. Word has length 131 [2018-12-01 18:32:34,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:34,952 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 507 transitions. [2018-12-01 18:32:34,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 18:32:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 507 transitions. [2018-12-01 18:32:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 18:32:34,953 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:34,953 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 18:32:34,953 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:34,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:34,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1727344072, now seen corresponding path program 1 times [2018-12-01 18:32:34,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:34,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:34,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:34,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:34,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:32:35,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:32:35,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 18:32:35,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 18:32:35,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 18:32:35,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:32:35,020 INFO L87 Difference]: Start difference. First operand 439 states and 507 transitions. Second operand 9 states. [2018-12-01 18:32:35,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:35,378 INFO L93 Difference]: Finished difference Result 1171 states and 1388 transitions. [2018-12-01 18:32:35,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 18:32:35,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2018-12-01 18:32:35,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:35,382 INFO L225 Difference]: With dead ends: 1171 [2018-12-01 18:32:35,382 INFO L226 Difference]: Without dead ends: 756 [2018-12-01 18:32:35,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-01 18:32:35,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-12-01 18:32:35,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 753. [2018-12-01 18:32:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-12-01 18:32:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 864 transitions. [2018-12-01 18:32:35,413 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 864 transitions. Word has length 135 [2018-12-01 18:32:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:35,413 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 864 transitions. [2018-12-01 18:32:35,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 18:32:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 864 transitions. [2018-12-01 18:32:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 18:32:35,415 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:35,416 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 18:32:35,416 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:35,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:35,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1825563524, now seen corresponding path program 1 times [2018-12-01 18:32:35,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:35,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:35,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:35,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:35,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 18:32:35,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:32:35,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 18:32:35,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:32:35,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:32:35,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:32:35,483 INFO L87 Difference]: Start difference. First operand 753 states and 864 transitions. Second operand 6 states. [2018-12-01 18:32:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:35,582 INFO L93 Difference]: Finished difference Result 762 states and 874 transitions. [2018-12-01 18:32:35,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 18:32:35,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-01 18:32:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:35,585 INFO L225 Difference]: With dead ends: 762 [2018-12-01 18:32:35,585 INFO L226 Difference]: Without dead ends: 759 [2018-12-01 18:32:35,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:32:35,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2018-12-01 18:32:35,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 753. [2018-12-01 18:32:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-12-01 18:32:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 862 transitions. [2018-12-01 18:32:35,619 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 862 transitions. Word has length 139 [2018-12-01 18:32:35,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:35,619 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 862 transitions. [2018-12-01 18:32:35,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:32:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 862 transitions. [2018-12-01 18:32:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 18:32:35,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:35,622 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 18:32:35,622 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:35,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:35,623 INFO L82 PathProgramCache]: Analyzing trace with hash 243464153, now seen corresponding path program 1 times [2018-12-01 18:32:35,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:35,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:35,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:35,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:35,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:32:35,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:32:35,723 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:32:35,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:35,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:32:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:32:35,895 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 18:32:35,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-01 18:32:35,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 18:32:35,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 18:32:35,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-01 18:32:35,896 INFO L87 Difference]: Start difference. First operand 753 states and 862 transitions. Second operand 14 states. [2018-12-01 18:32:36,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:36,695 INFO L93 Difference]: Finished difference Result 1758 states and 2319 transitions. [2018-12-01 18:32:36,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 18:32:36,695 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-12-01 18:32:36,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:36,699 INFO L225 Difference]: With dead ends: 1758 [2018-12-01 18:32:36,699 INFO L226 Difference]: Without dead ends: 1153 [2018-12-01 18:32:36,700 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-12-01 18:32:36,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2018-12-01 18:32:36,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 914. [2018-12-01 18:32:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2018-12-01 18:32:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1076 transitions. [2018-12-01 18:32:36,739 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1076 transitions. Word has length 157 [2018-12-01 18:32:36,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:36,739 INFO L480 AbstractCegarLoop]: Abstraction has 914 states and 1076 transitions. [2018-12-01 18:32:36,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 18:32:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1076 transitions. [2018-12-01 18:32:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-01 18:32:36,742 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:36,742 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 18:32:36,742 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:36,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:36,742 INFO L82 PathProgramCache]: Analyzing trace with hash -664296079, now seen corresponding path program 2 times [2018-12-01 18:32:36,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:36,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:36,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:36,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:36,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 18:32:36,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:32:36,841 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:32:36,847 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 18:32:36,930 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 18:32:36,930 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 18:32:36,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:32:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 18:32:37,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:32:37,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-12-01 18:32:37,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 18:32:37,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 18:32:37,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-01 18:32:37,062 INFO L87 Difference]: Start difference. First operand 914 states and 1076 transitions. Second operand 14 states. [2018-12-01 18:32:38,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:38,170 INFO L93 Difference]: Finished difference Result 2385 states and 2925 transitions. [2018-12-01 18:32:38,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-01 18:32:38,170 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 226 [2018-12-01 18:32:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:38,174 INFO L225 Difference]: With dead ends: 2385 [2018-12-01 18:32:38,174 INFO L226 Difference]: Without dead ends: 1619 [2018-12-01 18:32:38,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-12-01 18:32:38,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2018-12-01 18:32:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1591. [2018-12-01 18:32:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1591 states. [2018-12-01 18:32:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 1838 transitions. [2018-12-01 18:32:38,219 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 1838 transitions. Word has length 226 [2018-12-01 18:32:38,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:38,219 INFO L480 AbstractCegarLoop]: Abstraction has 1591 states and 1838 transitions. [2018-12-01 18:32:38,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 18:32:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1838 transitions. [2018-12-01 18:32:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-01 18:32:38,221 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:32:38,222 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:32:38,222 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:32:38,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:32:38,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1597277171, now seen corresponding path program 1 times [2018-12-01 18:32:38,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:32:38,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:32:38,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:38,223 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:32:38,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:32:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-01 18:32:38,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:32:38,290 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:32:38,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:32:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:32:38,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:32:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 18:32:38,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:32:38,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-01 18:32:38,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 18:32:38,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 18:32:38,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-01 18:32:38,458 INFO L87 Difference]: Start difference. First operand 1591 states and 1838 transitions. Second operand 13 states. [2018-12-01 18:32:38,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:32:38,502 INFO L93 Difference]: Finished difference Result 2185 states and 2514 transitions. [2018-12-01 18:32:38,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 18:32:38,503 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-12-01 18:32:38,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:32:38,504 INFO L225 Difference]: With dead ends: 2185 [2018-12-01 18:32:38,504 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 18:32:38,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-01 18:32:38,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 18:32:38,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 18:32:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 18:32:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 18:32:38,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-12-01 18:32:38,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:32:38,507 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 18:32:38,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 18:32:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 18:32:38,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:32:38,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 18:32:38,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:32:38,947 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 17 [2018-12-01 18:32:39,436 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2018-12-01 18:32:40,323 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2018-12-01 18:32:40,657 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2018-12-01 18:32:40,657 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2018-12-01 18:32:40,657 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2018-12-01 18:32:40,657 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2018-12-01 18:32:40,657 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2018-12-01 18:32:40,657 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))))) [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))))) [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,658 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-12-01 18:32:40,658 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,659 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,659 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L451 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2018-12-01 18:32:40,659 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-12-01 18:32:40,659 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or (< ~waterLevel~0 2) .cse0)))) [2018-12-01 18:32:40,660 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse0) (or .cse1 (or (< ~waterLevel~0 2) .cse0)))) [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L444 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-01 18:32:40,660 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-01 18:32:40,660 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2018-12-01 18:32:40,660 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2018-12-01 18:32:40,660 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,661 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 18:32:40,661 INFO L444 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L444 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L444 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2018-12-01 18:32:40,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-01 18:32:40,662 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (let ((.cse1 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse6 (not .cse1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6) (or (or .cse7 .cse2 .cse6) .cse5) (or .cse4 .cse1 .cse7 .cse2)))) [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2018-12-01 18:32:40,662 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-12-01 18:32:40,663 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-12-01 18:32:40,663 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-12-01 18:32:40,663 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not .cse2)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= ~systemActive~0 1)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and .cse5 .cse10 .cse11 .cse8 .cse12 .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (let ((.cse13 (+ ~waterLevel~0 1))) (and (<= .cse13 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse13) .cse9))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse12)) (.cse6 (and (= 0 ~methaneLevelCritical~0) .cse10 .cse11 .cse8 .cse12 .cse9))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (or .cse1 .cse3 .cse4 .cse5) .cse6) (or (or .cse2 .cse3 .cse4) .cse0 .cse7) (or .cse1 .cse4 (and .cse8 .cse9) (not (= |old(~waterLevel~0)| 1))) (or .cse7 (or .cse3 .cse4 .cse5) .cse6))))) [2018-12-01 18:32:40,663 INFO L444 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (or (< |old(~waterLevel~0)| 2) .cse0) .cse1 (let ((.cse2 (+ ~waterLevel~0 1))) (and (<= .cse2 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse2)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-01 18:32:40,663 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (< |old(~waterLevel~0)| 2) .cse0) .cse1))) [2018-12-01 18:32:40,663 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2) (not (= ~systemActive~0 1)))) [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2018-12-01 18:32:40,663 INFO L448 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-01 18:32:40,664 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-01 18:32:40,664 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 1) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L444 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2018-12-01 18:32:40,664 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-01 18:32:40,664 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2018-12-01 18:32:40,665 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2018-12-01 18:32:40,665 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2018-12-01 18:32:40,665 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2018-12-01 18:32:40,665 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2018-12-01 18:32:40,665 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-01 18:32:40,665 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse0))) [2018-12-01 18:32:40,665 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2018-12-01 18:32:40,665 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 18:32:40,665 INFO L444 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 18:32:40,665 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2018-12-01 18:32:40,665 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-01 18:32:40,665 INFO L448 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-12-01 18:32:40,665 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2018-12-01 18:32:40,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 06:32:40 BoogieIcfgContainer [2018-12-01 18:32:40,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 18:32:40,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:32:40,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:32:40,673 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:32:40,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:32:32" (3/4) ... [2018-12-01 18:32:40,675 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:32:40,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 18:32:40,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 18:32:40,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 18:32:40,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 18:32:40,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 18:32:40,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:32:40,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 18:32:40,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 18:32:40,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 18:32:40,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-01 18:32:40,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 18:32:40,686 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 18:32:40,686 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 18:32:40,686 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 18:32:40,686 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:32:40,703 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || (2 <= waterLevel && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 18:32:40,703 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 18:32:40,724 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07bc5dd7-df70-4c7c-aa0a-e12e9dab0f6d/bin-2019/uautomizer/witness.graphml [2018-12-01 18:32:40,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:32:40,725 INFO L168 Benchmark]: Toolchain (without parser) took 8488.48 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.5 MB). Free memory was 950.6 MB in the beginning and 931.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 409.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:32:40,725 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:32:40,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:32:40,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:32:40,726 INFO L168 Benchmark]: Boogie Preprocessor took 22.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:32:40,726 INFO L168 Benchmark]: RCFGBuilder took 352.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:32:40,726 INFO L168 Benchmark]: TraceAbstraction took 7759.85 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 1.0 GB in the beginning and 942.2 MB in the end (delta: 103.6 MB). Peak memory consumption was 548.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:32:40,726 INFO L168 Benchmark]: Witness Printer took 51.78 ms. Allocated memory is still 1.4 GB. Free memory was 942.2 MB in the beginning and 931.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:32:40,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7759.85 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 1.0 GB in the beginning and 942.2 MB in the end (delta: 103.6 MB). Peak memory consumption was 548.0 MB. Max. memory is 11.5 GB. * Witness Printer took 51.78 ms. Allocated memory is still 1.4 GB. Free memory was 942.2 MB in the beginning and 931.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: 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: 420]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (2 <= waterLevel && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2182 SDtfs, 1866 SDslu, 7368 SDs, 0 SdLazy, 5147 SolverSat, 803 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1042 GetRequests, 905 SyntacticMatches, 5 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1591occurred in iteration=11, 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, 12 MinimizatonAttempts, 304 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2465 PreInvPairs, 2558 NumberOfFragments, 1423 HoareAnnotationTreeSize, 2465 FomulaSimplifications, 4598 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 11851 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2312 NumberOfCodeBlocks, 2312 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2295 ConstructedInterpolants, 0 QuantifiedInterpolants, 520703 SizeOfPredicates, 15 NumberOfNonLiveVariables, 4500 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 691/740 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...