./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63_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_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:58:24,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:58:24,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:58:24,531 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:58:24,531 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:58:24,532 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:58:24,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:58:24,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:58:24,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:58:24,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:58:24,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:58:24,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:58:24,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:58:24,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:58:24,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:58:24,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:58:24,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:58:24,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:58:24,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:58:24,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:58:24,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:58:24,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:58:24,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:58:24,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:58:24,548 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:58:24,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:58:24,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:58:24,551 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:58:24,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:58:24,552 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:58:24,552 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:58:24,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:58:24,553 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:58:24,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:58:24,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:58:24,554 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:58:24,554 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 13:58:24,564 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:58:24,565 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:58:24,565 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:58:24,565 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 13:58:24,566 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:58:24,566 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:58:24,566 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:58:24,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:58:24,566 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:58:24,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:58:24,567 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:58:24,568 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:58:24,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:58:24,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:58:24,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:58:24,569 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_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2018-11-18 13:58:24,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:58:24,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:58:24,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:58:24,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:58:24,607 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:58:24,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product63_true-unreach-call_false-termination.cil.c [2018-11-18 13:58:24,647 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/data/f9ad4c3b0/01e3759b63b349e8a2925d017bb44483/FLAG7f99d5093 [2018-11-18 13:58:25,010 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:58:25,010 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/sv-benchmarks/c/product-lines/minepump_spec4_product63_true-unreach-call_false-termination.cil.c [2018-11-18 13:58:25,018 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/data/f9ad4c3b0/01e3759b63b349e8a2925d017bb44483/FLAG7f99d5093 [2018-11-18 13:58:25,031 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/data/f9ad4c3b0/01e3759b63b349e8a2925d017bb44483 [2018-11-18 13:58:25,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:58:25,035 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:58:25,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:58:25,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:58:25,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:58:25,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25, skipping insertion in model container [2018-11-18 13:58:25,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:58:25,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:58:25,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:58:25,318 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:58:25,410 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:58:25,427 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:58:25,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25 WrapperNode [2018-11-18 13:58:25,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:58:25,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:58:25,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:58:25,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:58:25,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... [2018-11-18 13:58:25,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:58:25,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:58:25,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:58:25,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:58:25,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 13:58:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:58:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:58:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:58:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:58:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 13:58:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:58:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 13:58:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 13:58:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:58:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:58:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:58:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 13:58:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 13:58:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 13:58:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 13:58:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 13:58:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:58:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 13:58:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:58:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:58:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:58:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 13:58:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 13:58:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 13:58:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 13:58:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:58:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:58:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:58:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:58:26,157 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:58:26,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:58:26 BoogieIcfgContainer [2018-11-18 13:58:26,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:58:26,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:58:26,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:58:26,161 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:58:26,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:58:25" (1/3) ... [2018-11-18 13:58:26,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7988612d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:58:26, skipping insertion in model container [2018-11-18 13:58:26,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:58:25" (2/3) ... [2018-11-18 13:58:26,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7988612d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:58:26, skipping insertion in model container [2018-11-18 13:58:26,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:58:26" (3/3) ... [2018-11-18 13:58:26,163 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63_true-unreach-call_false-termination.cil.c [2018-11-18 13:58:26,169 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:58:26,175 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:58:26,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:58:26,208 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:58:26,208 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:58:26,208 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:58:26,209 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:58:26,209 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:58:26,209 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:58:26,209 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:58:26,209 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:58:26,209 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:58:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states. [2018-11-18 13:58:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:58:26,232 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:26,233 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 13:58:26,235 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:26,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1846623201, now seen corresponding path program 1 times [2018-11-18 13:58:26,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:26,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:26,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:26,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:26,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:26,438 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 13:58:26,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:58:26,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:58:26,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:58:26,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:58:26,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:58:26,452 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 2 states. [2018-11-18 13:58:26,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:26,478 INFO L93 Difference]: Finished difference Result 322 states and 399 transitions. [2018-11-18 13:58:26,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:58:26,479 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 13:58:26,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:26,486 INFO L225 Difference]: With dead ends: 322 [2018-11-18 13:58:26,486 INFO L226 Difference]: Without dead ends: 161 [2018-11-18 13:58:26,489 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 13:58:26,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-18 13:58:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-18 13:58:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-18 13:58:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 191 transitions. [2018-11-18 13:58:26,528 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 191 transitions. Word has length 46 [2018-11-18 13:58:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:26,528 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 191 transitions. [2018-11-18 13:58:26,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:58:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 191 transitions. [2018-11-18 13:58:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:58:26,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:26,531 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 13:58:26,531 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:26,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:26,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1199767258, now seen corresponding path program 1 times [2018-11-18 13:58:26,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:26,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:26,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:26,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:26,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:26,625 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 13:58:26,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:58:26,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:58:26,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:58:26,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:58:26,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:58:26,627 INFO L87 Difference]: Start difference. First operand 161 states and 191 transitions. Second operand 3 states. [2018-11-18 13:58:26,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:26,648 INFO L93 Difference]: Finished difference Result 263 states and 311 transitions. [2018-11-18 13:58:26,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:58:26,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 13:58:26,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:26,651 INFO L225 Difference]: With dead ends: 263 [2018-11-18 13:58:26,651 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 13:58:26,652 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 13:58:26,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 13:58:26,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-18 13:58:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-18 13:58:26,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-11-18 13:58:26,665 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 48 [2018-11-18 13:58:26,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:26,665 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-11-18 13:58:26,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:58:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-11-18 13:58:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:58:26,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:26,667 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 13:58:26,667 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:26,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:26,668 INFO L82 PathProgramCache]: Analyzing trace with hash -903505952, now seen corresponding path program 1 times [2018-11-18 13:58:26,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:26,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:26,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:26,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:26,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:26,779 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 13:58:26,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:58:26,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:58:26,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:58:26,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:58:26,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:58:26,780 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 7 states. [2018-11-18 13:58:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:27,235 INFO L93 Difference]: Finished difference Result 456 states and 553 transitions. [2018-11-18 13:58:27,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:58:27,237 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 13:58:27,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:27,240 INFO L225 Difference]: With dead ends: 456 [2018-11-18 13:58:27,240 INFO L226 Difference]: Without dead ends: 329 [2018-11-18 13:58:27,242 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:58:27,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-18 13:58:27,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 321. [2018-11-18 13:58:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-11-18 13:58:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 389 transitions. [2018-11-18 13:58:27,276 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 389 transitions. Word has length 52 [2018-11-18 13:58:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:27,277 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 389 transitions. [2018-11-18 13:58:27,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:58:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 389 transitions. [2018-11-18 13:58:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:58:27,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:27,279 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] [2018-11-18 13:58:27,282 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:27,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:27,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1377343119, now seen corresponding path program 1 times [2018-11-18 13:58:27,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:27,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:27,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:27,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:27,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:27,419 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 13:58:27,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:58:27,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 13:58:27,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:58:27,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:58:27,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:58:27,421 INFO L87 Difference]: Start difference. First operand 321 states and 389 transitions. Second operand 10 states. [2018-11-18 13:58:27,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:27,942 INFO L93 Difference]: Finished difference Result 1164 states and 1512 transitions. [2018-11-18 13:58:27,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:58:27,942 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 13:58:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:27,947 INFO L225 Difference]: With dead ends: 1164 [2018-11-18 13:58:27,947 INFO L226 Difference]: Without dead ends: 867 [2018-11-18 13:58:27,949 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 13:58:27,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2018-11-18 13:58:27,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 855. [2018-11-18 13:58:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2018-11-18 13:58:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1075 transitions. [2018-11-18 13:58:27,996 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1075 transitions. Word has length 58 [2018-11-18 13:58:27,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:27,996 INFO L480 AbstractCegarLoop]: Abstraction has 855 states and 1075 transitions. [2018-11-18 13:58:27,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:58:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1075 transitions. [2018-11-18 13:58:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:58:27,999 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:27,999 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] [2018-11-18 13:58:27,999 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:27,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:28,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1844668087, now seen corresponding path program 1 times [2018-11-18 13:58:28,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:28,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:28,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:28,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:28,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:28,045 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 13:58:28,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:58:28,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:58:28,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:58:28,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:58:28,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:58:28,046 INFO L87 Difference]: Start difference. First operand 855 states and 1075 transitions. Second operand 3 states. [2018-11-18 13:58:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:28,112 INFO L93 Difference]: Finished difference Result 1953 states and 2563 transitions. [2018-11-18 13:58:28,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:58:28,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-18 13:58:28,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:28,116 INFO L225 Difference]: With dead ends: 1953 [2018-11-18 13:58:28,116 INFO L226 Difference]: Without dead ends: 1122 [2018-11-18 13:58:28,118 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 13:58:28,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2018-11-18 13:58:28,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1101. [2018-11-18 13:58:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1101 states. [2018-11-18 13:58:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1368 transitions. [2018-11-18 13:58:28,160 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1368 transitions. Word has length 62 [2018-11-18 13:58:28,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:28,161 INFO L480 AbstractCegarLoop]: Abstraction has 1101 states and 1368 transitions. [2018-11-18 13:58:28,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:58:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1368 transitions. [2018-11-18 13:58:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 13:58:28,163 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:28,163 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] [2018-11-18 13:58:28,163 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:28,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:28,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1522308804, now seen corresponding path program 1 times [2018-11-18 13:58:28,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:28,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:28,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:28,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:28,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:58:28,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:58:28,250 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 13:58:28,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:28,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:58:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:58:28,474 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:58:28,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 13:58:28,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 13:58:28,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 13:58:28,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-18 13:58:28,475 INFO L87 Difference]: Start difference. First operand 1101 states and 1368 transitions. Second operand 12 states. [2018-11-18 13:58:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:31,341 INFO L93 Difference]: Finished difference Result 2653 states and 3548 transitions. [2018-11-18 13:58:31,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 13:58:31,342 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2018-11-18 13:58:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:31,347 INFO L225 Difference]: With dead ends: 2653 [2018-11-18 13:58:31,347 INFO L226 Difference]: Without dead ends: 1862 [2018-11-18 13:58:31,350 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-18 13:58:31,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2018-11-18 13:58:31,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1648. [2018-11-18 13:58:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2018-11-18 13:58:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2074 transitions. [2018-11-18 13:58:31,412 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2074 transitions. Word has length 90 [2018-11-18 13:58:31,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:31,413 INFO L480 AbstractCegarLoop]: Abstraction has 1648 states and 2074 transitions. [2018-11-18 13:58:31,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 13:58:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2074 transitions. [2018-11-18 13:58:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 13:58:31,417 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:31,417 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, 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] [2018-11-18 13:58:31,417 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:31,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:31,418 INFO L82 PathProgramCache]: Analyzing trace with hash 952195555, now seen corresponding path program 1 times [2018-11-18 13:58:31,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:31,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:31,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:31,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:31,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:58:31,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:58:31,497 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 13:58:31,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:31,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:58:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:58:31,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:58:31,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-18 13:58:31,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:58:31,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:58:31,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:58:31,689 INFO L87 Difference]: Start difference. First operand 1648 states and 2074 transitions. Second operand 6 states. [2018-11-18 13:58:31,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:31,822 INFO L93 Difference]: Finished difference Result 3328 states and 4430 transitions. [2018-11-18 13:58:31,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:58:31,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-11-18 13:58:31,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:31,831 INFO L225 Difference]: With dead ends: 3328 [2018-11-18 13:58:31,832 INFO L226 Difference]: Without dead ends: 1704 [2018-11-18 13:58:31,835 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:58:31,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2018-11-18 13:58:31,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1688. [2018-11-18 13:58:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1688 states. [2018-11-18 13:58:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2118 transitions. [2018-11-18 13:58:31,917 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2118 transitions. Word has length 170 [2018-11-18 13:58:31,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:31,918 INFO L480 AbstractCegarLoop]: Abstraction has 1688 states and 2118 transitions. [2018-11-18 13:58:31,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:58:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2118 transitions. [2018-11-18 13:58:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 13:58:31,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:31,923 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, 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] [2018-11-18 13:58:31,923 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:31,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:31,923 INFO L82 PathProgramCache]: Analyzing trace with hash -769807131, now seen corresponding path program 1 times [2018-11-18 13:58:31,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:31,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:31,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:31,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:31,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:58:32,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:58:32,039 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 13:58:32,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:32,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:58:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:58:32,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:58:32,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-18 13:58:32,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:58:32,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:58:32,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:58:32,230 INFO L87 Difference]: Start difference. First operand 1688 states and 2118 transitions. Second operand 11 states. [2018-11-18 13:58:32,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:32,321 INFO L93 Difference]: Finished difference Result 3075 states and 3980 transitions. [2018-11-18 13:58:32,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:58:32,322 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2018-11-18 13:58:32,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:32,329 INFO L225 Difference]: With dead ends: 3075 [2018-11-18 13:58:32,329 INFO L226 Difference]: Without dead ends: 1411 [2018-11-18 13:58:32,333 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 170 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 13:58:32,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2018-11-18 13:58:32,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1411. [2018-11-18 13:58:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1411 states. [2018-11-18 13:58:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1772 transitions. [2018-11-18 13:58:32,410 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1772 transitions. Word has length 170 [2018-11-18 13:58:32,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:32,410 INFO L480 AbstractCegarLoop]: Abstraction has 1411 states and 1772 transitions. [2018-11-18 13:58:32,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:58:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1772 transitions. [2018-11-18 13:58:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 13:58:32,413 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:32,414 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:58:32,414 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:32,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:32,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1738839148, now seen corresponding path program 1 times [2018-11-18 13:58:32,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:32,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:32,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:32,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:32,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:58:32,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:58:32,546 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 13:58:32,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:32,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:58:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:58:32,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:58:32,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-18 13:58:32,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 13:58:32,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 13:58:32,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:58:32,773 INFO L87 Difference]: Start difference. First operand 1411 states and 1772 transitions. Second operand 14 states. [2018-11-18 13:58:34,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:34,024 INFO L93 Difference]: Finished difference Result 2844 states and 3782 transitions. [2018-11-18 13:58:34,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 13:58:34,025 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2018-11-18 13:58:34,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:34,032 INFO L225 Difference]: With dead ends: 2844 [2018-11-18 13:58:34,032 INFO L226 Difference]: Without dead ends: 1625 [2018-11-18 13:58:34,035 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 177 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 13:58:34,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2018-11-18 13:58:34,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1296. [2018-11-18 13:58:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2018-11-18 13:58:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1623 transitions. [2018-11-18 13:58:34,107 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1623 transitions. Word has length 174 [2018-11-18 13:58:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:34,108 INFO L480 AbstractCegarLoop]: Abstraction has 1296 states and 1623 transitions. [2018-11-18 13:58:34,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 13:58:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1623 transitions. [2018-11-18 13:58:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 13:58:34,112 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:34,113 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:58:34,113 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:34,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:34,113 INFO L82 PathProgramCache]: Analyzing trace with hash -2000434969, now seen corresponding path program 2 times [2018-11-18 13:58:34,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:34,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:34,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:34,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:34,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 47 proven. 14 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 13:58:34,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:58:34,241 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/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 13:58:34,253 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 13:58:34,422 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 13:58:34,422 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 13:58:34,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:58:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:58:34,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:58:34,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-18 13:58:34,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 13:58:34,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 13:58:34,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:58:34,586 INFO L87 Difference]: Start difference. First operand 1296 states and 1623 transitions. Second operand 14 states. [2018-11-18 13:58:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:36,612 INFO L93 Difference]: Finished difference Result 3471 states and 4581 transitions. [2018-11-18 13:58:36,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:58:36,613 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 244 [2018-11-18 13:58:36,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:36,622 INFO L225 Difference]: With dead ends: 3471 [2018-11-18 13:58:36,622 INFO L226 Difference]: Without dead ends: 2363 [2018-11-18 13:58:36,627 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 245 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 13:58:36,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2018-11-18 13:58:36,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 2343. [2018-11-18 13:58:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2343 states. [2018-11-18 13:58:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 2892 transitions. [2018-11-18 13:58:36,736 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 2892 transitions. Word has length 244 [2018-11-18 13:58:36,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:36,736 INFO L480 AbstractCegarLoop]: Abstraction has 2343 states and 2892 transitions. [2018-11-18 13:58:36,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 13:58:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2892 transitions. [2018-11-18 13:58:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 13:58:36,742 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:58:36,742 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:58:36,743 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:58:36,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:58:36,743 INFO L82 PathProgramCache]: Analyzing trace with hash -611140955, now seen corresponding path program 1 times [2018-11-18 13:58:36,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:58:36,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:58:36,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:36,744 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:58:36,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:58:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 13:58:36,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:58:36,882 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:58:36,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:58:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:58:36,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:58:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 13:58:37,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:58:37,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 13:58:37,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 13:58:37,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 13:58:37,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:58:37,077 INFO L87 Difference]: Start difference. First operand 2343 states and 2892 transitions. Second operand 13 states. [2018-11-18 13:58:37,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:58:37,145 INFO L93 Difference]: Finished difference Result 3245 states and 3984 transitions. [2018-11-18 13:58:37,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:58:37,146 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 244 [2018-11-18 13:58:37,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:58:37,147 INFO L225 Difference]: With dead ends: 3245 [2018-11-18 13:58:37,147 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:58:37,152 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 243 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 13:58:37,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:58:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:58:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:58:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:58:37,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2018-11-18 13:58:37,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:58:37,154 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:58:37,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 13:58:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:58:37,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:58:37,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:58:37,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:58:37,884 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2018-11-18 13:58:38,598 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2018-11-18 13:58:39,330 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-11-18 13:58:39,330 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2018-11-18 13:58:39,330 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 13:58:39,330 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 117 138) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L117-3(lines 117 138) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 199) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L174-3(lines 174 199) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2018-11-18 13:58:39,331 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2018-11-18 13:58:39,331 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2018-11-18 13:58:39,332 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-18 13:58:39,332 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-18 13:58:39,332 INFO L425 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L428 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-18 13:58:39,332 INFO L425 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 486 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,332 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 486 508) no Hoare annotation was computed. [2018-11-18 13:58:39,332 INFO L421 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,332 INFO L421 ceAbstractionStarter]: At program point L498-1(line 498) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point L496(lines 496 503) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 496 503) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L421 ceAbstractionStarter]: At program point L493(line 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 486 508) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L421 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,333 INFO L421 ceAbstractionStarter]: At program point L492-1(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2018-11-18 13:58:39,333 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L421 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 13:58:39,334 INFO L421 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__methaneQuery_~tmp~6 1)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-11-18 13:58:39,334 INFO L421 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 13:58:39,334 INFO L425 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 755 779) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 755 779) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L421 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 933 947) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L421 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0))))) [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 933 947) the Hoare annotation is: (and (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0))))) [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 933 947) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2018-11-18 13:58:39,335 INFO L425 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2018-11-18 13:58:39,336 INFO L428 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point L878(lines 878 886) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2018-11-18 13:58:39,336 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 874) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2018-11-18 13:58:39,337 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 473 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,337 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 473 482) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 473 482) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 839 849) the Hoare annotation is: true [2018-11-18 13:58:39,338 INFO L428 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 668) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 658 671) no Hoare annotation was computed. [2018-11-18 13:58:39,338 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 658 671) the Hoare annotation is: true [2018-11-18 13:58:39,338 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 658 671) no Hoare annotation was computed. [2018-11-18 13:58:39,339 INFO L421 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2018-11-18 13:58:39,339 INFO L425 ceAbstractionStarter]: For program point L800-1(lines 781 805) no Hoare annotation was computed. [2018-11-18 13:58:39,339 INFO L421 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 13:58:39,339 INFO L421 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 13:58:39,339 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 781 805) no Hoare annotation was computed. [2018-11-18 13:58:39,339 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 797) no Hoare annotation was computed. [2018-11-18 13:58:39,339 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 781 805) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-18 13:58:39,339 INFO L421 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 13:58:39,339 INFO L425 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-11-18 13:58:39,339 INFO L425 ceAbstractionStarter]: For program point L785(lines 785 802) no Hoare annotation was computed. [2018-11-18 13:58:39,339 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-11-18 13:58:39,340 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-11-18 13:58:39,340 INFO L425 ceAbstractionStarter]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2018-11-18 13:58:39,340 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 949 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,340 INFO L425 ceAbstractionStarter]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2018-11-18 13:58:39,340 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 949 1014) no Hoare annotation was computed. [2018-11-18 13:58:39,340 INFO L421 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:58:39,340 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 985) no Hoare annotation was computed. [2018-11-18 13:58:39,340 INFO L425 ceAbstractionStarter]: For program point L979-1(lines 979 985) no Hoare annotation was computed. [2018-11-18 13:58:39,340 INFO L421 ceAbstractionStarter]: At program point L1004(lines 959 1006) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:58:39,340 INFO L421 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:58:39,340 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 975) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point L969-1(lines 969 975) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point L959-1(lines 959 1006) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L421 ceAbstractionStarter]: At program point L1007(lines 958 1008) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:58:39,341 INFO L421 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 949 1014) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L421 ceAbstractionStarter]: At program point L995-1(lines 989 1002) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2018-11-18 13:58:39,341 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 806 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 672 680) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 672 680) the Hoare annotation is: true [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 672 680) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point L634(lines 634 642) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 626 648) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 626 648) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 626 648) no Hoare annotation was computed. [2018-11-18 13:58:39,342 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L259-1(lines 259 279) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L259-3(lines 259 279) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2018-11-18 13:58:39,343 INFO L425 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 511 520) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 511 520) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 511 520) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L421 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-18 13:58:39,344 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 814 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2018-11-18 13:58:39,344 INFO L425 ceAbstractionStarter]: For program point L821(lines 821 827) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L421 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 649 657) the Hoare annotation is: true [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 649 657) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 649 657) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L428 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:58:39,345 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 13:58:39,346 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:58:39,346 INFO L425 ceAbstractionStarter]: For program point L609-1(lines 605 616) no Hoare annotation was computed. [2018-11-18 13:58:39,346 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 605 616) the Hoare annotation is: true [2018-11-18 13:58:39,346 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 605 616) no Hoare annotation was computed. [2018-11-18 13:58:39,346 INFO L421 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1))) [2018-11-18 13:58:39,346 INFO L425 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-11-18 13:58:39,346 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1)) (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (< |old(~waterLevel~0)| 2)))) [2018-11-18 13:58:39,346 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-11-18 13:58:39,346 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-11-18 13:58:39,346 INFO L421 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0))) (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not .cse6)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse8 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3)) (.cse5 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 (or .cse0 .cse5)) (or .cse6 .cse4 (let ((.cse7 (+ ~waterLevel~0 1))) (and (<= .cse7 |old(~waterLevel~0)|) .cse8 (<= |old(~waterLevel~0)| .cse7))) .cse5))))) [2018-11-18 13:58:39,347 INFO L421 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (and .cse1 (not .cse3) .cse7))) (and (let ((.cse6 (+ ~waterLevel~0 1))) (let ((.cse0 (<= .cse6 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| .cse6))) (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (< |old(~waterLevel~0)| 2) (and .cse0 .cse5 .cse2)))) (or (and .cse5 .cse7) (not (= 0 |old(~pumpRunning~0)|)) .cse4 (< |old(~waterLevel~0)| 1))))) [2018-11-18 13:58:39,347 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-18 13:58:39,347 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 13:58:39,347 INFO L428 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-18 13:58:39,347 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 418 432) no Hoare annotation was computed. [2018-11-18 13:58:39,347 INFO L428 ceAbstractionStarter]: At program point L418-3(lines 418 432) the Hoare annotation is: true [2018-11-18 13:58:39,347 INFO L428 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-18 13:58:39,347 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 13:58:39,347 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-18 13:58:39,347 INFO L428 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-18 13:58:39,347 INFO L425 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-18 13:58:39,347 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 13:58:39,347 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 617 625) the Hoare annotation is: true [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 617 625) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 617 625) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 581 592) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2)) [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 581 592) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-18 13:58:39,348 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L425 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-11-18 13:58:39,348 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-11-18 13:58:39,349 INFO L421 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-11-18 13:58:39,349 INFO L425 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-11-18 13:58:39,349 INFO L425 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-11-18 13:58:39,349 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-11-18 13:58:39,349 INFO L421 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 13:58:39,349 INFO L425 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-11-18 13:58:39,349 INFO L421 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 13:58:39,349 INFO L421 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-18 13:58:39,349 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 593 604) no Hoare annotation was computed. [2018-11-18 13:58:39,349 INFO L425 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-11-18 13:58:39,349 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1)) (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)))) [2018-11-18 13:58:39,350 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 682 689) no Hoare annotation was computed. [2018-11-18 13:58:39,350 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 682 689) the Hoare annotation is: true [2018-11-18 13:58:39,350 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2018-11-18 13:58:39,350 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 682 689) no Hoare annotation was computed. [2018-11-18 13:58:39,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:58:39 BoogieIcfgContainer [2018-11-18 13:58:39,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:58:39,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:58:39,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:58:39,360 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:58:39,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:58:26" (3/4) ... [2018-11-18 13:58:39,363 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:58:39,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:58:39,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:58:39,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:58:39,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:58:39,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:58:39,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:58:39,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:58:39,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 13:58:39,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:58:39,385 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:58:39,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 13:58:39,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 13:58:39,453 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec8d8b64-a6ba-4c67-9098-74b0b7edf915/bin-2019/uautomizer/witness.graphml [2018-11-18 13:58:39,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:58:39,454 INFO L168 Benchmark]: Toolchain (without parser) took 14419.67 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 521.7 MB). Free memory was 957.6 MB in the beginning and 1.4 GB in the end (delta: -458.6 MB). Peak memory consumption was 63.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:58:39,455 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:58:39,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:58:39,455 INFO L168 Benchmark]: Boogie Preprocessor took 52.45 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 13:58:39,455 INFO L168 Benchmark]: RCFGBuilder took 676.99 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: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:58:39,456 INFO L168 Benchmark]: TraceAbstraction took 13201.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 369.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -390.1 MB). Peak memory consumption was 596.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:58:39,456 INFO L168 Benchmark]: Witness Printer took 93.69 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:58:39,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.45 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 676.99 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: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13201.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 369.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -390.1 MB). Peak memory consumption was 596.7 MB. Max. memory is 11.5 GB. * Witness Printer took 93.69 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: 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: 958]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 263 locations, 1 error locations. SAFE Result, 13.1s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2267 SDtfs, 2959 SDslu, 7019 SDs, 0 SdLazy, 7468 SolverSat, 1827 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1287 GetRequests, 1127 SyntacticMatches, 5 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2343occurred in iteration=10, 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: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 620 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4813 PreInvPairs, 4958 NumberOfFragments, 1178 HoareAnnotationTreeSize, 4813 FomulaSimplifications, 7082 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 72 FomulaSimplificationsInter, 14840 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2450 NumberOfCodeBlocks, 2450 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2433 ConstructedInterpolants, 0 QuantifiedInterpolants, 598021 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5084 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 832/902 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...