./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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 0.1.23-5842f4b [2018-11-18 13:11:46,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:11:46,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:11:46,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:11:46,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:11:46,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:11:46,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:11:46,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:11:46,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:11:46,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:11:46,336 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:11:46,336 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:11:46,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:11:46,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:11:46,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:11:46,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:11:46,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:11:46,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:11:46,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:11:46,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:11:46,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:11:46,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:11:46,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:11:46,347 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:11:46,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:11:46,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:11:46,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:11:46,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:11:46,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:11:46,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:11:46,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:11:46,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:11:46,351 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:11:46,351 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:11:46,351 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:11:46,352 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:11:46,352 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:11:46,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:11:46,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:11:46,362 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:11:46,362 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:11:46,362 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:11:46,362 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:11:46,363 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:11:46,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:11:46,363 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:11:46,363 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:11:46,363 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:11:46,363 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:11:46,363 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:11:46,363 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:11:46,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:11:46,364 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:11:46,364 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:11:46,364 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:11:46,364 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:11:46,364 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:11:46,364 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:11:46,365 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:11:46,365 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:11:46,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:11:46,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:11:46,365 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:11:46,365 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:11:46,365 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:11:46,365 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:11:46,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:11:46,366 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_12eee822-58d2-46a7-9f0b-3e34a5034250/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 [2018-11-18 13:11:46,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:11:46,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:11:46,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:11:46,401 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:11:46,401 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:11:46,401 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-18 13:11:46,438 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/data/0119428de/dfed2ab39a224f6486a2e40a7ad1bb7f/FLAG52dcf8289 [2018-11-18 13:11:46,866 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:11:46,866 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-18 13:11:46,873 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/data/0119428de/dfed2ab39a224f6486a2e40a7ad1bb7f/FLAG52dcf8289 [2018-11-18 13:11:46,881 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/data/0119428de/dfed2ab39a224f6486a2e40a7ad1bb7f [2018-11-18 13:11:46,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:11:46,884 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:11:46,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:11:46,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:11:46,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:11:46,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:11:46" (1/1) ... [2018-11-18 13:11:46,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:46, skipping insertion in model container [2018-11-18 13:11:46,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:11:46" (1/1) ... [2018-11-18 13:11:46,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:11:46,923 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:11:47,108 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:11:47,116 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:11:47,212 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:11:47,231 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:11:47,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47 WrapperNode [2018-11-18 13:11:47,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:11:47,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:11:47,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:11:47,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:11:47,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:11:47,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:11:47,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:11:47,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:11:47,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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 [2018-11-18 13:11:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:11:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:11:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 13:11:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 13:11:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 13:11:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 13:11:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 13:11:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 13:11:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 13:11:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:11:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:11:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:11:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:11:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 13:11:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:11:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:11:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:11:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:11:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 13:11:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:11:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:11:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 13:11:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:11:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:11:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:11:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:11:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:11:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 13:11:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 13:11:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 13:11:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 13:11:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 13:11:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:11:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 13:11:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:11:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 13:11:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 13:11:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:11:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 13:11:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 13:11:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:11:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 13:11:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 13:11:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:11:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:11:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:11:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:11:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:11:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:11:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:11:47,992 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:11:47,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:11:47 BoogieIcfgContainer [2018-11-18 13:11:47,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:11:47,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:11:47,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:11:47,995 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:11:47,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:11:46" (1/3) ... [2018-11-18 13:11:47,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5546af0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:11:47, skipping insertion in model container [2018-11-18 13:11:47,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:47" (2/3) ... [2018-11-18 13:11:47,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5546af0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:11:47, skipping insertion in model container [2018-11-18 13:11:47,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:11:47" (3/3) ... [2018-11-18 13:11:47,998 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-18 13:11:48,004 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:11:48,009 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:11:48,018 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:11:48,039 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:11:48,039 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:11:48,039 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:11:48,039 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:11:48,039 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:11:48,040 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:11:48,040 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:11:48,040 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:11:48,040 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:11:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2018-11-18 13:11:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:11:48,062 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:48,062 INFO L375 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] [2018-11-18 13:11:48,064 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:48,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:48,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1982907965, now seen corresponding path program 1 times [2018-11-18 13:11:48,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:48,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:48,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:48,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:48,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:11:48,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:11:48,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:11:48,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:11:48,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:11:48,273 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2018-11-18 13:11:48,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:48,301 INFO L93 Difference]: Finished difference Result 296 states and 365 transitions. [2018-11-18 13:11:48,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:11:48,303 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 13:11:48,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:48,311 INFO L225 Difference]: With dead ends: 296 [2018-11-18 13:11:48,312 INFO L226 Difference]: Without dead ends: 148 [2018-11-18 13:11:48,315 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:11:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-18 13:11:48,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-18 13:11:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-18 13:11:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2018-11-18 13:11:48,354 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 46 [2018-11-18 13:11:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:48,355 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2018-11-18 13:11:48,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:11:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2018-11-18 13:11:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:11:48,357 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:48,357 INFO L375 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] [2018-11-18 13:11:48,357 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:48,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:48,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1500559043, now seen corresponding path program 1 times [2018-11-18 13:11:48,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:48,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:48,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:48,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:48,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:11:48,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:11:48,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:11:48,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:11:48,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:11:48,441 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2018-11-18 13:11:48,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:48,460 INFO L93 Difference]: Finished difference Result 243 states and 285 transitions. [2018-11-18 13:11:48,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:11:48,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 13:11:48,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:48,463 INFO L225 Difference]: With dead ends: 243 [2018-11-18 13:11:48,463 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 13:11:48,464 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:11:48,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 13:11:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 13:11:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 13:11:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-11-18 13:11:48,476 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 48 [2018-11-18 13:11:48,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:48,477 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-11-18 13:11:48,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:11:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-11-18 13:11:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:11:48,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:48,479 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:11:48,479 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:48,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:48,479 INFO L82 PathProgramCache]: Analyzing trace with hash 2109604549, now seen corresponding path program 1 times [2018-11-18 13:11:48,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:48,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:48,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:48,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:48,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:11:48,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:11:48,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:11:48,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:11:48,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:11:48,540 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-11-18 13:11:48,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:48,561 INFO L93 Difference]: Finished difference Result 252 states and 299 transitions. [2018-11-18 13:11:48,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:11:48,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 13:11:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:48,564 INFO L225 Difference]: With dead ends: 252 [2018-11-18 13:11:48,564 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 13:11:48,565 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:11:48,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 13:11:48,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 13:11:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 13:11:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2018-11-18 13:11:48,576 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 52 [2018-11-18 13:11:48,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:48,576 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2018-11-18 13:11:48,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:11:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2018-11-18 13:11:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:11:48,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:48,579 INFO L375 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] [2018-11-18 13:11:48,579 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:48,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:48,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1130759207, now seen corresponding path program 1 times [2018-11-18 13:11:48,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:48,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:48,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:48,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:48,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:11:48,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:11:48,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:11:48,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:11:48,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:11:48,688 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 5 states. [2018-11-18 13:11:49,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:49,100 INFO L93 Difference]: Finished difference Result 356 states and 429 transitions. [2018-11-18 13:11:49,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:11:49,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-18 13:11:49,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:49,106 INFO L225 Difference]: With dead ends: 356 [2018-11-18 13:11:49,106 INFO L226 Difference]: Without dead ends: 242 [2018-11-18 13:11:49,107 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:11:49,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-11-18 13:11:49,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 223. [2018-11-18 13:11:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-18 13:11:49,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 252 transitions. [2018-11-18 13:11:49,131 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 252 transitions. Word has length 70 [2018-11-18 13:11:49,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:49,131 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 252 transitions. [2018-11-18 13:11:49,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:11:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 252 transitions. [2018-11-18 13:11:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 13:11:49,133 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:49,133 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:11:49,134 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:49,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:49,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1665811168, now seen corresponding path program 1 times [2018-11-18 13:11:49,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:49,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:49,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:49,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:49,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:49,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:11:49,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 13:11:49,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:11:49,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:11:49,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:11:49,290 INFO L87 Difference]: Start difference. First operand 223 states and 252 transitions. Second operand 10 states. [2018-11-18 13:11:49,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:49,823 INFO L93 Difference]: Finished difference Result 711 states and 875 transitions. [2018-11-18 13:11:49,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:11:49,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-18 13:11:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:49,827 INFO L225 Difference]: With dead ends: 711 [2018-11-18 13:11:49,827 INFO L226 Difference]: Without dead ends: 512 [2018-11-18 13:11:49,828 INFO L604 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 [2018-11-18 13:11:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-18 13:11:49,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 502. [2018-11-18 13:11:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-11-18 13:11:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 588 transitions. [2018-11-18 13:11:49,862 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 588 transitions. Word has length 84 [2018-11-18 13:11:49,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:49,862 INFO L480 AbstractCegarLoop]: Abstraction has 502 states and 588 transitions. [2018-11-18 13:11:49,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:11:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 588 transitions. [2018-11-18 13:11:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 13:11:49,865 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:49,865 INFO L375 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, 1, 1, 1, 1, 1, 1] [2018-11-18 13:11:49,865 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:49,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:49,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1548107308, now seen corresponding path program 1 times [2018-11-18 13:11:49,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:49,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:49,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:49,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:49,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:11:49,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:11:49,953 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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 [2018-11-18 13:11:49,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:50,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:11:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:50,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:11:50,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-18 13:11:50,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 13:11:50,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 13:11:50,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-18 13:11:50,242 INFO L87 Difference]: Start difference. First operand 502 states and 588 transitions. Second operand 12 states. [2018-11-18 13:11:51,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:51,578 INFO L93 Difference]: Finished difference Result 1430 states and 1884 transitions. [2018-11-18 13:11:51,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 13:11:51,579 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 137 [2018-11-18 13:11:51,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:51,583 INFO L225 Difference]: With dead ends: 1430 [2018-11-18 13:11:51,583 INFO L226 Difference]: Without dead ends: 952 [2018-11-18 13:11:51,586 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-18 13:11:51,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2018-11-18 13:11:51,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 876. [2018-11-18 13:11:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-11-18 13:11:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1071 transitions. [2018-11-18 13:11:51,641 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1071 transitions. Word has length 137 [2018-11-18 13:11:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:51,641 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1071 transitions. [2018-11-18 13:11:51,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 13:11:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1071 transitions. [2018-11-18 13:11:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 13:11:51,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:51,645 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:11:51,645 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:51,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:51,645 INFO L82 PathProgramCache]: Analyzing trace with hash -891715152, now seen corresponding path program 1 times [2018-11-18 13:11:51,645 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:51,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:51,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:51,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:51,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:11:51,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:11:51,741 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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 [2018-11-18 13:11:51,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:51,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:11:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:11:51,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:11:51,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-18 13:11:51,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:11:51,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:11:51,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:11:51,869 INFO L87 Difference]: Start difference. First operand 876 states and 1071 transitions. Second operand 11 states. [2018-11-18 13:11:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:51,913 INFO L93 Difference]: Finished difference Result 1595 states and 1994 transitions. [2018-11-18 13:11:51,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:11:51,914 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2018-11-18 13:11:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:51,916 INFO L225 Difference]: With dead ends: 1595 [2018-11-18 13:11:51,917 INFO L226 Difference]: Without dead ends: 743 [2018-11-18 13:11:51,919 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:11:51,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-11-18 13:11:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2018-11-18 13:11:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-11-18 13:11:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 893 transitions. [2018-11-18 13:11:51,946 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 893 transitions. Word has length 133 [2018-11-18 13:11:51,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:51,946 INFO L480 AbstractCegarLoop]: Abstraction has 743 states and 893 transitions. [2018-11-18 13:11:51,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:11:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 893 transitions. [2018-11-18 13:11:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 13:11:51,948 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:51,948 INFO L375 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, 1, 1, 1, 1, 1, 1] [2018-11-18 13:11:51,948 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:51,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:51,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1613523017, now seen corresponding path program 1 times [2018-11-18 13:11:51,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:51,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:51,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:51,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:51,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:11:52,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:11:52,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:11:52,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:11:52,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:11:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:11:52,043 INFO L87 Difference]: Start difference. First operand 743 states and 893 transitions. Second operand 9 states. [2018-11-18 13:11:52,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:52,639 INFO L93 Difference]: Finished difference Result 1985 states and 2446 transitions. [2018-11-18 13:11:52,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 13:11:52,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2018-11-18 13:11:52,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:52,646 INFO L225 Difference]: With dead ends: 1985 [2018-11-18 13:11:52,646 INFO L226 Difference]: Without dead ends: 1266 [2018-11-18 13:11:52,649 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:11:52,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2018-11-18 13:11:52,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1263. [2018-11-18 13:11:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1263 states. [2018-11-18 13:11:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1505 transitions. [2018-11-18 13:11:52,713 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1505 transitions. Word has length 137 [2018-11-18 13:11:52,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:52,714 INFO L480 AbstractCegarLoop]: Abstraction has 1263 states and 1505 transitions. [2018-11-18 13:11:52,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:11:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1505 transitions. [2018-11-18 13:11:52,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 13:11:52,717 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:52,717 INFO L375 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, 1, 1, 1, 1, 1, 1] [2018-11-18 13:11:52,717 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:52,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:52,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1575539109, now seen corresponding path program 1 times [2018-11-18 13:11:52,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:52,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:52,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:52,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:52,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:11:52,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:11:52,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:11:52,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:11:52,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:11:52,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:11:52,820 INFO L87 Difference]: Start difference. First operand 1263 states and 1505 transitions. Second operand 6 states. [2018-11-18 13:11:52,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:52,987 INFO L93 Difference]: Finished difference Result 1288 states and 1534 transitions. [2018-11-18 13:11:52,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:11:52,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-18 13:11:52,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:52,991 INFO L225 Difference]: With dead ends: 1288 [2018-11-18 13:11:52,992 INFO L226 Difference]: Without dead ends: 1285 [2018-11-18 13:11:52,992 INFO L604 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 [2018-11-18 13:11:52,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2018-11-18 13:11:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1263. [2018-11-18 13:11:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1263 states. [2018-11-18 13:11:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1497 transitions. [2018-11-18 13:11:53,068 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1497 transitions. Word has length 141 [2018-11-18 13:11:53,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:53,068 INFO L480 AbstractCegarLoop]: Abstraction has 1263 states and 1497 transitions. [2018-11-18 13:11:53,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:11:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1497 transitions. [2018-11-18 13:11:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 13:11:53,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:53,070 INFO L375 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, 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] [2018-11-18 13:11:53,071 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:53,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:53,071 INFO L82 PathProgramCache]: Analyzing trace with hash -2036476175, now seen corresponding path program 1 times [2018-11-18 13:11:53,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:53,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:53,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:53,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:53,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:11:53,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:11:53,187 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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 [2018-11-18 13:11:53,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:53,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:11:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:53,332 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:11:53,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-18 13:11:53,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 13:11:53,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 13:11:53,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:11:53,333 INFO L87 Difference]: Start difference. First operand 1263 states and 1497 transitions. Second operand 14 states. [2018-11-18 13:11:54,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:54,714 INFO L93 Difference]: Finished difference Result 2527 states and 3139 transitions. [2018-11-18 13:11:54,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 13:11:54,714 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2018-11-18 13:11:54,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:54,720 INFO L225 Difference]: With dead ends: 2527 [2018-11-18 13:11:54,720 INFO L226 Difference]: Without dead ends: 1418 [2018-11-18 13:11:54,723 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-18 13:11:54,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2018-11-18 13:11:54,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1233. [2018-11-18 13:11:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2018-11-18 13:11:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1461 transitions. [2018-11-18 13:11:54,787 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1461 transitions. Word has length 159 [2018-11-18 13:11:54,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:54,787 INFO L480 AbstractCegarLoop]: Abstraction has 1233 states and 1461 transitions. [2018-11-18 13:11:54,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 13:11:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1461 transitions. [2018-11-18 13:11:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-18 13:11:54,791 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:54,791 INFO L375 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, 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] [2018-11-18 13:11:54,792 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:54,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:54,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1289498449, now seen corresponding path program 2 times [2018-11-18 13:11:54,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:54,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:54,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:54,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:54,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 47 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 13:11:54,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:11:54,930 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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 [2018-11-18 13:11:54,943 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 13:11:55,095 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 13:11:55,096 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 13:11:55,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:11:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:11:55,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:11:55,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-18 13:11:55,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 13:11:55,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 13:11:55,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:11:55,278 INFO L87 Difference]: Start difference. First operand 1233 states and 1461 transitions. Second operand 14 states. [2018-11-18 13:11:56,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:56,711 INFO L93 Difference]: Finished difference Result 3100 states and 3769 transitions. [2018-11-18 13:11:56,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:11:56,712 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 229 [2018-11-18 13:11:56,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:56,718 INFO L225 Difference]: With dead ends: 3100 [2018-11-18 13:11:56,718 INFO L226 Difference]: Without dead ends: 2017 [2018-11-18 13:11:56,721 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-11-18 13:11:56,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2018-11-18 13:11:56,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1848. [2018-11-18 13:11:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1848 states. [2018-11-18 13:11:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2129 transitions. [2018-11-18 13:11:56,783 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2129 transitions. Word has length 229 [2018-11-18 13:11:56,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:56,784 INFO L480 AbstractCegarLoop]: Abstraction has 1848 states and 2129 transitions. [2018-11-18 13:11:56,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 13:11:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2129 transitions. [2018-11-18 13:11:56,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-18 13:11:56,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:11:56,787 INFO L375 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, 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] [2018-11-18 13:11:56,788 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:11:56,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:56,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1616174833, now seen corresponding path program 1 times [2018-11-18 13:11:56,788 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:11:56,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:11:56,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:56,789 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:11:56,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:11:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 13:11:56,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:11:56,903 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/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 [2018-11-18 13:11:56,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:11:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:57,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:11:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 13:11:57,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:11:57,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 13:11:57,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 13:11:57,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 13:11:57,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:11:57,086 INFO L87 Difference]: Start difference. First operand 1848 states and 2129 transitions. Second operand 13 states. [2018-11-18 13:11:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:11:57,148 INFO L93 Difference]: Finished difference Result 2540 states and 2920 transitions. [2018-11-18 13:11:57,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:11:57,149 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2018-11-18 13:11:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:11:57,150 INFO L225 Difference]: With dead ends: 2540 [2018-11-18 13:11:57,150 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:11:57,153 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:11:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:11:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:11:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:11:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:11:57,154 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2018-11-18 13:11:57,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:11:57,154 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:11:57,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 13:11:57,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:11:57,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:11:57,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:11:57,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:57,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:11:58,161 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2018-11-18 13:11:58,343 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 17 [2018-11-18 13:11:58,447 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2018-11-18 13:11:58,594 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2018-11-18 13:11:58,720 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2018-11-18 13:11:59,587 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 34 [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 117 138) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L117-3(lines 117 138) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2018-11-18 13:11:59,934 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 199) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L174-3(lines 174 199) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L428 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2018-11-18 13:11:59,935 INFO L421 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (not (= ~waterLevel~0 1)) .cse0))) [2018-11-18 13:11:59,935 INFO L425 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L421 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (not (= ~waterLevel~0 1)) .cse0))) [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L421 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,936 INFO L421 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L425 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-18 13:11:59,936 INFO L421 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,936 INFO L421 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,936 INFO L421 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2018-11-18 13:11:59,937 INFO L425 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L428 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2018-11-18 13:11:59,938 INFO L425 ceAbstractionStarter]: For program point L640(lines 640 648) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L652(lines 652 660) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-11-18 13:11:59,939 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L428 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~systemActive~0 1)) [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2018-11-18 13:11:59,940 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~systemActive~0 1)) [2018-11-18 13:11:59,940 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (< ~systemActive~0 1))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 13:11:59,940 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (< ~systemActive~0 1))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1) (or .cse1 .cse2 (< ~waterLevel~0 2)) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (< ~systemActive~0 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (< ~systemActive~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L442(line 442) 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 (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1))) [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~systemActive~0 1) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L463(lines 420 465) 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 (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1))) [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 420 465) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-11-18 13:11:59,941 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-11-18 13:11:59,941 INFO L421 ceAbstractionStarter]: At program point L456-2(lines 450 461) 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 (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1))) [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 803 825) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 803 825) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 803 825) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2018-11-18 13:11:59,942 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L259-1(lines 259 279) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L259-3(lines 259 279) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 712 721) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 712 721) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 712 721) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (< ~systemActive~0 1)) [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L428 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-11-18 13:11:59,943 INFO L425 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2018-11-18 13:11:59,944 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L425 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (let ((.cse4 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1)) (.cse6 (< ~waterLevel~0 2)) (.cse2 (not .cse4)) (.cse1 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse6 .cse2 .cse1)))) [2018-11-18 13:11:59,944 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2018-11-18 13:11:59,944 INFO L421 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< ~systemActive~0 1)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3) (or (<= 2 |old(~waterLevel~0)|) .cse1 (< |old(~waterLevel~0)| 1) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse0) (or .cse0 (let ((.cse5 (+ ~waterLevel~0 1))) (and (<= .cse5 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse5) .cse4)) .cse2 .cse3)))) [2018-11-18 13:11:59,944 INFO L421 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and (<= 2 ~waterLevel~0) .cse1)) (.cse2 (< ~systemActive~0 1))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2) (or .cse0 .cse2 (< |old(~waterLevel~0)| 2) (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse3))))))) [2018-11-18 13:11:59,944 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: (let ((.cse1 (< ~systemActive~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (<= 2 |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 2)))) [2018-11-18 13:11:59,945 INFO L421 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 2)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point L896-1(lines 896 910) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L428 ceAbstractionStarter]: At program point L896-3(lines 896 910) the Hoare annotation is: true [2018-11-18 13:11:59,945 INFO L428 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L428 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L428 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-11-18 13:11:59,945 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L421 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) (< ~systemActive~0 1))) [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2018-11-18 13:11:59,945 INFO L425 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2018-11-18 13:11:59,946 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-18 13:11:59,946 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-11-18 13:11:59,946 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:11:59,946 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-11-18 13:11:59,946 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:11:59,946 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:11:59,946 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~systemActive~0 1)) [2018-11-18 13:11:59,946 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2018-11-18 13:11:59,946 INFO L421 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (< ~systemActive~0 1)) [2018-11-18 13:11:59,946 INFO L425 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2018-11-18 13:11:59,946 INFO L421 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (< ~systemActive~0 1)) [2018-11-18 13:11:59,946 INFO L421 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (let ((.cse1 (< ~systemActive~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (<= 2 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< ~waterLevel~0 2)))) [2018-11-18 13:11:59,946 INFO L425 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2018-11-18 13:11:59,946 INFO L421 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~systemActive~0 1)) [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or (<= 2 |old(~waterLevel~0)|) (or (not (= 0 ~pumpRunning~0)) .cse0) (< |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) .cse0))) [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2018-11-18 13:11:59,947 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~systemActive~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-18 13:11:59,948 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~systemActive~0 1))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse2 .cse0 .cse1 (< ~waterLevel~0 2)) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-18 13:11:59,948 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2018-11-18 13:11:59,948 INFO L421 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (< ~systemActive~0 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 13:11:59,948 INFO L421 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (< ~systemActive~0 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 13:11:59,948 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2018-11-18 13:11:59,948 INFO L421 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (< ~systemActive~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-11-18 13:11:59,948 INFO L425 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-11-18 13:11:59,948 INFO L425 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2018-11-18 13:11:59,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:11:59 BoogieIcfgContainer [2018-11-18 13:11:59,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:11:59,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:11:59,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:11:59,958 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:11:59,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:11:47" (3/4) ... [2018-11-18 13:11:59,962 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:11:59,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 13:11:59,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:11:59,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:11:59,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:11:59,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:11:59,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:11:59,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:11:59,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 13:11:59,978 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 13:11:59,978 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:11:59,979 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:12:00,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 [2018-11-18 13:12:00,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 [2018-11-18 13:12:00,038 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_12eee822-58d2-46a7-9f0b-3e34a5034250/bin-2019/uautomizer/witness.graphml [2018-11-18 13:12:00,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:12:00,039 INFO L168 Benchmark]: Toolchain (without parser) took 13155.59 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 597.7 MB). Free memory was 948.9 MB in the beginning and 1.0 GB in the end (delta: -68.5 MB). Peak memory consumption was 529.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:12:00,039 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:12:00,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:12:00,040 INFO L168 Benchmark]: Boogie Preprocessor took 54.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:12:00,040 INFO L168 Benchmark]: RCFGBuilder took 705.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:12:00,040 INFO L168 Benchmark]: TraceAbstraction took 11964.38 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 442.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.0 MB). Peak memory consumption was 520.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:12:00,041 INFO L168 Benchmark]: Witness Printer took 80.18 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:12:00,042 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 705.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11964.38 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 442.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.0 MB). Peak memory consumption was 520.2 MB. Max. memory is 11.5 GB. * Witness Printer took 80.18 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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: (((((2 <= waterLevel && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 250 locations, 1 error locations. SAFE Result, 11.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2292 SDtfs, 3093 SDslu, 7253 SDs, 0 SdLazy, 6629 SolverSat, 1654 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1072 GetRequests, 923 SyntacticMatches, 2 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1848occurred 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 484 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 3352 PreInvPairs, 3457 NumberOfFragments, 1313 HoareAnnotationTreeSize, 3352 FomulaSimplifications, 7491 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 66 FomulaSimplificationsInter, 17981 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2352 NumberOfCodeBlocks, 2352 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2335 ConstructedInterpolants, 0 QuantifiedInterpolants, 556860 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4106 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 711/760 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...