./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_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_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 4db9bf450928b08b5e696709772fc7741fcab5a5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:42:25,705 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:42:25,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:42:25,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:42:25,715 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:42:25,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:42:25,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:42:25,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:42:25,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:42:25,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:42:25,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:42:25,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:42:25,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:42:25,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:42:25,723 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:42:25,723 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:42:25,724 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:42:25,725 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:42:25,727 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:42:25,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:42:25,729 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:42:25,729 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:42:25,731 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:42:25,732 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:42:25,732 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:42:25,732 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:42:25,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:42:25,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:42:25,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:42:25,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:42:25,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:42:25,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:42:25,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:42:25,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:42:25,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:42:25,737 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:42:25,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 12:42:25,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:42:25,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:42:25,748 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:42:25,748 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:42:25,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:42:25,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:42:25,749 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:42:25,749 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:42:25,749 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:42:25,749 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:42:25,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:42:25,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:42:25,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:42:25,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:42:25,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:42:25,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:42:25,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:42:25,751 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:42:25,752 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:42:25,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:42:25,752 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:42:25,752 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:42:25,752 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:42:25,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:42:25,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:42:25,753 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:42:25,753 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:42:25,753 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:42:25,753 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:42:25,753 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:42:25,753 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_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2018-11-18 12:42:25,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:42:25,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:42:25,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:42:25,790 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:42:25,790 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:42:25,790 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 12:42:25,833 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/data/7f34d2321/079cd2ca81e9455aa9526cf837ef9023/FLAG06b5c377e [2018-11-18 12:42:26,202 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:42:26,202 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 12:42:26,209 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/data/7f34d2321/079cd2ca81e9455aa9526cf837ef9023/FLAG06b5c377e [2018-11-18 12:42:26,607 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/data/7f34d2321/079cd2ca81e9455aa9526cf837ef9023 [2018-11-18 12:42:26,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:42:26,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:42:26,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:26,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:42:26,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:42:26,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:26,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26, skipping insertion in model container [2018-11-18 12:42:26,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:26,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:42:26,654 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:42:26,846 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:26,854 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:42:26,956 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:26,982 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:42:26,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26 WrapperNode [2018-11-18 12:42:26,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:26,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:42:26,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:42:26,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:42:26,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:26,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:27,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:27,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:27,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:27,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:27,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... [2018-11-18 12:42:27,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:42:27,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:42:27,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:42:27,046 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:42:27,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 12:42:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:42:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:42:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 12:42:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:42:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:42:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 12:42:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:42:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:42:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:42:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:42:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 12:42:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:42:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:42:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:42:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:42:27,756 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:42:27,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:27 BoogieIcfgContainer [2018-11-18 12:42:27,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:42:27,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:42:27,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:42:27,760 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:42:27,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:42:26" (1/3) ... [2018-11-18 12:42:27,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762a98c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:27, skipping insertion in model container [2018-11-18 12:42:27,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:26" (2/3) ... [2018-11-18 12:42:27,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762a98c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:27, skipping insertion in model container [2018-11-18 12:42:27,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:27" (3/3) ... [2018-11-18 12:42:27,763 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 12:42:27,771 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:42:27,777 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:42:27,787 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:42:27,805 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:42:27,806 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:42:27,806 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:42:27,806 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:42:27,806 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:42:27,806 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:42:27,806 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:42:27,807 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:42:27,807 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:42:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 12:42:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:42:27,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:27,832 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 12:42:27,834 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:27,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:27,838 INFO L82 PathProgramCache]: Analyzing trace with hash 877700187, now seen corresponding path program 1 times [2018-11-18 12:42:27,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:27,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:27,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:27,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:27,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:28,037 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 12:42:28,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:28,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:42:28,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:42:28,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:42:28,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:42:28,056 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 2 states. [2018-11-18 12:42:28,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:28,085 INFO L93 Difference]: Finished difference Result 330 states and 407 transitions. [2018-11-18 12:42:28,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:42:28,086 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 12:42:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:28,095 INFO L225 Difference]: With dead ends: 330 [2018-11-18 12:42:28,095 INFO L226 Difference]: Without dead ends: 165 [2018-11-18 12:42:28,099 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 12:42:28,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-18 12:42:28,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-18 12:42:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-18 12:42:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 195 transitions. [2018-11-18 12:42:28,138 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 195 transitions. Word has length 46 [2018-11-18 12:42:28,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:28,138 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 195 transitions. [2018-11-18 12:42:28,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:42:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 195 transitions. [2018-11-18 12:42:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:42:28,141 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:28,141 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 12:42:28,141 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:28,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:28,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1265611907, now seen corresponding path program 1 times [2018-11-18 12:42:28,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:28,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:28,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:28,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:28,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:28,230 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 12:42:28,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:28,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:42:28,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:42:28,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:42:28,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:42:28,232 INFO L87 Difference]: Start difference. First operand 165 states and 195 transitions. Second operand 3 states. [2018-11-18 12:42:28,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:28,257 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2018-11-18 12:42:28,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:42:28,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 12:42:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:28,261 INFO L225 Difference]: With dead ends: 267 [2018-11-18 12:42:28,261 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 12:42:28,262 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 12:42:28,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 12:42:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 12:42:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 12:42:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2018-11-18 12:42:28,276 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 48 [2018-11-18 12:42:28,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:28,276 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2018-11-18 12:42:28,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:42:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-11-18 12:42:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:42:28,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:28,279 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] [2018-11-18 12:42:28,280 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:28,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:28,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1368853754, now seen corresponding path program 1 times [2018-11-18 12:42:28,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:28,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:28,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:28,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:28,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:28,390 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 12:42:28,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:28,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:42:28,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:42:28,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:42:28,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:42:28,392 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 7 states. [2018-11-18 12:42:28,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:28,837 INFO L93 Difference]: Finished difference Result 468 states and 567 transitions. [2018-11-18 12:42:28,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:42:28,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 12:42:28,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:28,840 INFO L225 Difference]: With dead ends: 468 [2018-11-18 12:42:28,840 INFO L226 Difference]: Without dead ends: 337 [2018-11-18 12:42:28,842 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 12:42:28,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-11-18 12:42:28,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 325. [2018-11-18 12:42:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-11-18 12:42:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 393 transitions. [2018-11-18 12:42:28,874 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 393 transitions. Word has length 53 [2018-11-18 12:42:28,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:28,875 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 393 transitions. [2018-11-18 12:42:28,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:42:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 393 transitions. [2018-11-18 12:42:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:42:28,877 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:28,878 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 12:42:28,878 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:28,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:28,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1287408128, now seen corresponding path program 1 times [2018-11-18 12:42:28,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:28,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:28,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:28,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:28,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:28,983 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 12:42:28,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:28,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 12:42:28,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:42:28,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:42:28,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:42:28,984 INFO L87 Difference]: Start difference. First operand 325 states and 393 transitions. Second operand 10 states. [2018-11-18 12:42:29,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:29,558 INFO L93 Difference]: Finished difference Result 1180 states and 1528 transitions. [2018-11-18 12:42:29,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:42:29,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 12:42:29,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:29,563 INFO L225 Difference]: With dead ends: 1180 [2018-11-18 12:42:29,564 INFO L226 Difference]: Without dead ends: 879 [2018-11-18 12:42:29,565 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:42:29,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-11-18 12:42:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 867. [2018-11-18 12:42:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-11-18 12:42:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1087 transitions. [2018-11-18 12:42:29,614 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1087 transitions. Word has length 58 [2018-11-18 12:42:29,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:29,614 INFO L480 AbstractCegarLoop]: Abstraction has 867 states and 1087 transitions. [2018-11-18 12:42:29,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:42:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1087 transitions. [2018-11-18 12:42:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:42:29,617 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:29,617 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 12:42:29,618 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:29,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:29,618 INFO L82 PathProgramCache]: Analyzing trace with hash 66909190, now seen corresponding path program 1 times [2018-11-18 12:42:29,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:29,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:29,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:29,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:29,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:29,673 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 12:42:29,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:29,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:42:29,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:42:29,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:42:29,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:42:29,674 INFO L87 Difference]: Start difference. First operand 867 states and 1087 transitions. Second operand 4 states. [2018-11-18 12:42:29,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:29,981 INFO L93 Difference]: Finished difference Result 2188 states and 2944 transitions. [2018-11-18 12:42:29,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:42:29,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 12:42:29,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:29,986 INFO L225 Difference]: With dead ends: 2188 [2018-11-18 12:42:29,986 INFO L226 Difference]: Without dead ends: 1345 [2018-11-18 12:42:29,988 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:42:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2018-11-18 12:42:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1198. [2018-11-18 12:42:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2018-11-18 12:42:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1483 transitions. [2018-11-18 12:42:30,036 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1483 transitions. Word has length 62 [2018-11-18 12:42:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:30,037 INFO L480 AbstractCegarLoop]: Abstraction has 1198 states and 1483 transitions. [2018-11-18 12:42:30,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:42:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1483 transitions. [2018-11-18 12:42:30,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 12:42:30,039 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:30,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:42:30,039 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:30,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:30,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1829828931, now seen corresponding path program 1 times [2018-11-18 12:42:30,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:30,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:30,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:30,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:30,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:42:30,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:30,128 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 12:42:30,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:30,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:42:30,399 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:42:30,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 12:42:30,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:42:30,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:42:30,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:42:30,400 INFO L87 Difference]: Start difference. First operand 1198 states and 1483 transitions. Second operand 12 states. [2018-11-18 12:42:32,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:32,642 INFO L93 Difference]: Finished difference Result 2782 states and 3706 transitions. [2018-11-18 12:42:32,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 12:42:32,642 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2018-11-18 12:42:32,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:32,649 INFO L225 Difference]: With dead ends: 2782 [2018-11-18 12:42:32,649 INFO L226 Difference]: Without dead ends: 1905 [2018-11-18 12:42:32,652 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-18 12:42:32,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2018-11-18 12:42:32,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1680. [2018-11-18 12:42:32,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-11-18 12:42:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2106 transitions. [2018-11-18 12:42:32,728 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2106 transitions. Word has length 91 [2018-11-18 12:42:32,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:32,728 INFO L480 AbstractCegarLoop]: Abstraction has 1680 states and 2106 transitions. [2018-11-18 12:42:32,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:42:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2106 transitions. [2018-11-18 12:42:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 12:42:32,733 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:32,733 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, 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 12:42:32,733 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:32,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:32,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1651885842, now seen corresponding path program 1 times [2018-11-18 12:42:32,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:32,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:32,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:32,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:32,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:42:32,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:32,860 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 12:42:32,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:32,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 12:42:32,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:42:32,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-18 12:42:32,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:42:32,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:42:32,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:42:32,985 INFO L87 Difference]: Start difference. First operand 1680 states and 2106 transitions. Second operand 6 states. [2018-11-18 12:42:33,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:33,055 INFO L93 Difference]: Finished difference Result 3392 states and 4494 transitions. [2018-11-18 12:42:33,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:42:33,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-11-18 12:42:33,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:33,062 INFO L225 Difference]: With dead ends: 3392 [2018-11-18 12:42:33,062 INFO L226 Difference]: Without dead ends: 1736 [2018-11-18 12:42:33,065 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 2 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 12:42:33,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2018-11-18 12:42:33,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1720. [2018-11-18 12:42:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2018-11-18 12:42:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2150 transitions. [2018-11-18 12:42:33,123 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2150 transitions. Word has length 172 [2018-11-18 12:42:33,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:33,124 INFO L480 AbstractCegarLoop]: Abstraction has 1720 states and 2150 transitions. [2018-11-18 12:42:33,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:42:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2150 transitions. [2018-11-18 12:42:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 12:42:33,127 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:33,127 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, 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 12:42:33,127 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:33,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:33,128 INFO L82 PathProgramCache]: Analyzing trace with hash 800605740, now seen corresponding path program 1 times [2018-11-18 12:42:33,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:33,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:33,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:33,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:33,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:42:33,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:33,210 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 12:42:33,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:33,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 12:42:33,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:42:33,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-18 12:42:33,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:42:33,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:42:33,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:42:33,363 INFO L87 Difference]: Start difference. First operand 1720 states and 2150 transitions. Second operand 11 states. [2018-11-18 12:42:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:33,427 INFO L93 Difference]: Finished difference Result 3135 states and 4040 transitions. [2018-11-18 12:42:33,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:42:33,428 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2018-11-18 12:42:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:33,432 INFO L225 Difference]: With dead ends: 3135 [2018-11-18 12:42:33,432 INFO L226 Difference]: Without dead ends: 1439 [2018-11-18 12:42:33,435 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 172 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 12:42:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2018-11-18 12:42:33,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1439. [2018-11-18 12:42:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1439 states. [2018-11-18 12:42:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 1800 transitions. [2018-11-18 12:42:33,487 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 1800 transitions. Word has length 172 [2018-11-18 12:42:33,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:33,487 INFO L480 AbstractCegarLoop]: Abstraction has 1439 states and 1800 transitions. [2018-11-18 12:42:33,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:42:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1800 transitions. [2018-11-18 12:42:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:42:33,489 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:33,490 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, 1, 1, 1, 1, 1, 1] [2018-11-18 12:42:33,490 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:33,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:33,490 INFO L82 PathProgramCache]: Analyzing trace with hash 206195985, now seen corresponding path program 1 times [2018-11-18 12:42:33,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:33,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:33,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:33,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:33,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:42:33,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:33,622 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 12:42:33,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:33,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:42:33,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:42:33,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-18 12:42:33,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 12:42:33,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 12:42:33,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:42:33,829 INFO L87 Difference]: Start difference. First operand 1439 states and 1800 transitions. Second operand 14 states. [2018-11-18 12:42:35,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:35,900 INFO L93 Difference]: Finished difference Result 3262 states and 4413 transitions. [2018-11-18 12:42:35,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 12:42:35,901 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 176 [2018-11-18 12:42:35,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:35,910 INFO L225 Difference]: With dead ends: 3262 [2018-11-18 12:42:35,910 INFO L226 Difference]: Without dead ends: 2019 [2018-11-18 12:42:35,914 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 12:42:35,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2018-11-18 12:42:36,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 1691. [2018-11-18 12:42:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2018-11-18 12:42:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2100 transitions. [2018-11-18 12:42:36,016 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2100 transitions. Word has length 176 [2018-11-18 12:42:36,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:36,016 INFO L480 AbstractCegarLoop]: Abstraction has 1691 states and 2100 transitions. [2018-11-18 12:42:36,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 12:42:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2100 transitions. [2018-11-18 12:42:36,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 12:42:36,021 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:36,022 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, 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 12:42:36,022 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:36,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:36,022 INFO L82 PathProgramCache]: Analyzing trace with hash -37544283, now seen corresponding path program 1 times [2018-11-18 12:42:36,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:36,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:36,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:36,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:36,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 12:42:36,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:36,179 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/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 12:42:36,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:36,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:36,412 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 12:42:36,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:42:36,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 12:42:36,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:42:36,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:42:36,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:42:36,440 INFO L87 Difference]: Start difference. First operand 1691 states and 2100 transitions. Second operand 13 states. [2018-11-18 12:42:36,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:36,570 INFO L93 Difference]: Finished difference Result 2282 states and 2834 transitions. [2018-11-18 12:42:36,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:42:36,571 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 247 [2018-11-18 12:42:36,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:36,572 INFO L225 Difference]: With dead ends: 2282 [2018-11-18 12:42:36,572 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:42:36,576 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:42:36,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:42:36,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:42:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:42:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:42:36,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2018-11-18 12:42:36,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:36,577 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:42:36,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:42:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:42:36,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:42:36,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:42:36,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:36,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:37,839 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point L605-1(lines 605 609) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point L599-1(lines 599 620) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point L599-3(lines 599 620) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 574 629) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point L621(lines 598 622) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 574 629) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 574 629) no Hoare annotation was computed. [2018-11-18 12:42:38,595 INFO L425 ceAbstractionStarter]: For program point L657(line 657) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 630 689) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point L682(lines 655 683) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 630 689) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 630 689) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point L662-1(lines 662 666) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point L656-1(lines 656 681) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point L656-3(lines 656 681) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2018-11-18 12:42:38,596 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 1016 1024) the Hoare annotation is: true [2018-11-18 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 1016 1024) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L428 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2018-11-18 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2018-11-18 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L421 ceAbstractionStarter]: At program point L169(line 169) 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 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L421 ceAbstractionStarter]: At program point L165(line 165) 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 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 12:42:38,597 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 12:42:38,598 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:42:38,598 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:42:38,598 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:42:38,598 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:42:38,598 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 12:42:38,598 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 12:42:38,598 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:42:38,598 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:42:38,598 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 12:42:38,598 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2018-11-18 12:42:38,598 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L425 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-11-18 12:42:38,599 INFO L421 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-18 12:42:38,600 INFO L425 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2018-11-18 12:42:38,600 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 320 344) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 12:42:38,600 INFO L421 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 12:42:38,600 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 320 344) no Hoare annotation was computed. [2018-11-18 12:42:38,600 INFO L421 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-18 12:42:38,600 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2018-11-18 12:42:38,600 INFO L421 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 12:42:38,600 INFO L425 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2018-11-18 12:42:38,600 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2018-11-18 12:42:38,600 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2018-11-18 12:42:38,600 INFO L421 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (and (or (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-18 12:42:38,600 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-11-18 12:42:38,600 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (not (= ~systemActive~0 0)) .cse0) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L428 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point L443-2(lines 443 451) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point L431(lines 431 439) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 424 459) no Hoare annotation was computed. [2018-11-18 12:42:38,601 INFO L425 ceAbstractionStarter]: For program point L431-2(lines 431 439) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 424 459) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 424 459) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 528 573) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 528 573) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 528 573) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point L861(lines 861 868) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 841 886) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 875) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point L855-1(lines 855 875) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 841 886) no Hoare annotation was computed. [2018-11-18 12:42:38,602 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 841 886) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 404 414) the Hoare annotation is: true [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 404 414) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L428 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: true [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 404 414) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 396 403) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 396 403) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 396 403) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point L971(lines 971 977) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2018-11-18 12:42:38,603 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 967 980) the Hoare annotation is: true [2018-11-18 12:42:38,603 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 967 980) no Hoare annotation was computed. [2018-11-18 12:42:38,604 INFO L421 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 12:42:38,604 INFO L425 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-18 12:42:38,604 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2018-11-18 12:42:38,604 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2018-11-18 12:42:38,604 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 12:42:38,604 INFO L421 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-18 12:42:38,604 INFO L425 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2018-11-18 12:42:38,604 INFO L421 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 12:42:38,604 INFO L421 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 12:42:38,604 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2018-11-18 12:42:38,604 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-11-18 12:42:38,604 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-11-18 12:42:38,604 INFO L421 ceAbstractionStarter]: At program point L225(line 225) 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)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:42:38,605 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L421 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L421 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:42:38,605 INFO L421 ceAbstractionStarter]: At program point L205(line 205) 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 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L425 ceAbstractionStarter]: For program point L193-1(lines 193 242) no Hoare annotation was computed. [2018-11-18 12:42:38,605 INFO L421 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:42:38,606 INFO L421 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L421 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 795 840) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 795 840) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 795 840) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 822) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point L809(lines 809 829) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point L809-1(lines 809 829) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 371 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 371 378) no Hoare annotation was computed. [2018-11-18 12:42:38,606 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 371 378) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 981 989) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 981 989) the Hoare annotation is: true [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L943(lines 943 951) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L943-2(lines 943 951) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 935 957) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 935 957) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 935 957) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 692 794) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L762(lines 740 763) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L721(lines 721 737) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L781(lines 781 788) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L742(lines 741 761) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 692 794) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2018-11-18 12:42:38,607 INFO L425 ceAbstractionStarter]: For program point L773-1(line 773) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 779) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 692 794) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L716(lines 716 720) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 791) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 747) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L741-1(lines 741 761) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point L741-3(lines 741 761) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 992 1001) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 992 1001) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 992 1001) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:42:38,608 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:42:38,608 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L421 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point L384-1(line 384) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 379 395) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 379 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:42:38,609 INFO L421 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point L390-1(lines 379 395) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 392) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 958 966) the Hoare annotation is: true [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 958 966) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 460 478) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 460 478) the Hoare annotation is: true [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 460 478) no Hoare annotation was computed. [2018-11-18 12:42:38,609 INFO L428 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: true [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-11-18 12:42:38,610 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 914 925) the Hoare annotation is: true [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:42:38,610 INFO L421 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse4)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or (and .cse1 .cse2) .cse0 .cse5)))) [2018-11-18 12:42:38,610 INFO L421 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0))) (and (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not .cse1) .cse2) (< |old(~waterLevel~0)| 1) (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (let ((.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (< |old(~waterLevel~0)| 2) (and .cse0 .cse3) (and (= 0 ~pumpRunning~0) .cse3))))) [2018-11-18 12:42:38,610 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0) (or .cse0 (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)))) [2018-11-18 12:42:38,610 INFO L421 ceAbstractionStarter]: At program point L268(line 268) 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 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2018-11-18 12:42:38,610 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 12:42:38,611 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 12:42:38,611 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 926 934) the Hoare annotation is: true [2018-11-18 12:42:38,611 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 926 934) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 890 901) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:42:38,612 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 12:42:38,612 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 513 520) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 513 520) the Hoare annotation is: true [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 513 520) no Hoare annotation was computed. [2018-11-18 12:42:38,612 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 294 318) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 12:42:38,612 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 294 318) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L421 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 12:42:38,613 INFO L425 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L421 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse0))) [2018-11-18 12:42:38,613 INFO L421 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:42:38,613 INFO L425 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L421 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 12:42:38,613 INFO L425 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L425 ceAbstractionStarter]: For program point L906-1(lines 902 913) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 902 913) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-18 12:42:38,613 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-18 12:42:38,613 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2018-11-18 12:42:38,614 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-18 12:42:38,614 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-18 12:42:38,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:42:38 BoogieIcfgContainer [2018-11-18 12:42:38,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:42:38,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:42:38,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:42:38,625 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:42:38,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:27" (3/4) ... [2018-11-18 12:42:38,628 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:42:38,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 12:42:38,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:42:38,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:42:38,638 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:42:38,638 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:42:38,638 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:42:38,638 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:42:38,638 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:42:38,645 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 12:42:38,645 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:42:38,645 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:42:38,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 12:42:38,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:42:38,713 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0a5aad8-9025-4b68-9d66-c340307fb0f7/bin-2019/uautomizer/witness.graphml [2018-11-18 12:42:38,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:42:38,713 INFO L168 Benchmark]: Toolchain (without parser) took 12103.43 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 620.8 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -365.5 MB). Peak memory consumption was 255.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:38,714 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:42:38,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:38,714 INFO L168 Benchmark]: Boogie Preprocessor took 62.09 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:38,715 INFO L168 Benchmark]: RCFGBuilder took 711.18 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 12:42:38,715 INFO L168 Benchmark]: TraceAbstraction took 10867.44 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 479.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -308.2 MB). Peak memory consumption was 521.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:38,715 INFO L168 Benchmark]: Witness Printer took 87.82 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:38,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.09 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 711.18 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 10867.44 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 479.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -308.2 MB). Peak memory consumption was 521.3 MB. Max. memory is 11.5 GB. * Witness Printer took 87.82 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 193]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 267 locations, 1 error locations. SAFE Result, 10.8s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2106 SDtfs, 2858 SDslu, 7365 SDs, 0 SdLazy, 6472 SolverSat, 1852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1038 GetRequests, 897 SyntacticMatches, 3 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1720occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 740 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 3995 PreInvPairs, 4106 NumberOfFragments, 1156 HoareAnnotationTreeSize, 3995 FomulaSimplifications, 10488 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 11224 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1983 NumberOfCodeBlocks, 1983 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1968 ConstructedInterpolants, 0 QuantifiedInterpolants, 440979 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4167 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 557/612 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...