./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60_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_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 e5628f313afbfffa53e61454ca424855ee3b0eb7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:36:55,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:36:55,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:36:55,835 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:36:55,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:36:55,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:36:55,837 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:36:55,838 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:36:55,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:36:55,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:36:55,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:36:55,840 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:36:55,841 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:36:55,841 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:36:55,843 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:36:55,843 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:36:55,844 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:36:55,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:36:55,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:36:55,847 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:36:55,848 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:36:55,849 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:36:55,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:36:55,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:36:55,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:36:55,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:36:55,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:36:55,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:36:55,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:36:55,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:36:55,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:36:55,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:36:55,855 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:36:55,855 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:36:55,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:36:55,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:36:55,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 08:36:55,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:36:55,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:36:55,871 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:36:55,872 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 08:36:55,872 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:36:55,872 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:36:55,872 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:36:55,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:36:55,873 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:36:55,874 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:36:55,874 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:36:55,874 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:36:55,874 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:36:55,874 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:36:55,874 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:36:55,874 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:36:55,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:36:55,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:36:55,875 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:36:55,875 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:36:55,875 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:36:55,875 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:36:55,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:36:55,875 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_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2018-11-18 08:36:55,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:36:55,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:36:55,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:36:55,910 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:36:55,910 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:36:55,911 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-11-18 08:36:55,957 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/data/a4a9bd19a/359a8f642d764d428a8d937b87862086/FLAG12829a186 [2018-11-18 08:36:56,343 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:36:56,344 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-11-18 08:36:56,353 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/data/a4a9bd19a/359a8f642d764d428a8d937b87862086/FLAG12829a186 [2018-11-18 08:36:56,361 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/data/a4a9bd19a/359a8f642d764d428a8d937b87862086 [2018-11-18 08:36:56,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:36:56,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:36:56,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:36:56,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:36:56,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:36:56,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56, skipping insertion in model container [2018-11-18 08:36:56,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:36:56,406 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:36:56,599 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:36:56,605 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:36:56,714 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:36:56,733 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:36:56,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56 WrapperNode [2018-11-18 08:36:56,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:36:56,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:36:56,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:36:56,734 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:36:56,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... [2018-11-18 08:36:56,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:36:56,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:36:56,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:36:56,795 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:36:56,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 08:36:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 08:36:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 08:36:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 08:36:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 08:36:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 08:36:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 08:36:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 08:36:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 08:36:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 08:36:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:36:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:36:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 08:36:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 08:36:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 08:36:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 08:36:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 08:36:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 08:36:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 08:36:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:36:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 08:36:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:36:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 08:36:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:36:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:36:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 08:36:57,547 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:36:57,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:57 BoogieIcfgContainer [2018-11-18 08:36:57,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:36:57,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:36:57,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:36:57,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:36:57,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:36:56" (1/3) ... [2018-11-18 08:36:57,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd1b918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:57, skipping insertion in model container [2018-11-18 08:36:57,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:56" (2/3) ... [2018-11-18 08:36:57,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd1b918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:57, skipping insertion in model container [2018-11-18 08:36:57,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:57" (3/3) ... [2018-11-18 08:36:57,555 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-11-18 08:36:57,563 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:36:57,568 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:36:57,578 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:36:57,597 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:36:57,598 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:36:57,598 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:36:57,598 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:36:57,598 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:36:57,598 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:36:57,598 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:36:57,598 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:36:57,599 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:36:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-11-18 08:36:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 08:36:57,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:57,618 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 08:36:57,620 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:57,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:57,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1305487599, now seen corresponding path program 1 times [2018-11-18 08:36:57,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:57,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:57,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:57,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:57,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:57,839 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 08:36:57,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:36:57,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:36:57,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:36:57,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:36:57,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:36:57,854 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2018-11-18 08:36:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:57,885 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2018-11-18 08:36:57,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:36:57,886 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 08:36:57,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:57,894 INFO L225 Difference]: With dead ends: 310 [2018-11-18 08:36:57,894 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 08:36:57,897 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 08:36:57,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 08:36:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 08:36:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 08:36:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2018-11-18 08:36:57,931 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 46 [2018-11-18 08:36:57,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:57,931 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2018-11-18 08:36:57,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:36:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2018-11-18 08:36:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 08:36:57,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:57,934 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 08:36:57,934 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:57,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:57,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2020824647, now seen corresponding path program 1 times [2018-11-18 08:36:57,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:57,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:57,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:57,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:57,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:58,031 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 08:36:58,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:36:58,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:36:58,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:36:58,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:36:58,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:36:58,034 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 3 states. [2018-11-18 08:36:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:58,055 INFO L93 Difference]: Finished difference Result 247 states and 285 transitions. [2018-11-18 08:36:58,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:36:58,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 08:36:58,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:58,057 INFO L225 Difference]: With dead ends: 247 [2018-11-18 08:36:58,057 INFO L226 Difference]: Without dead ends: 145 [2018-11-18 08:36:58,058 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 08:36:58,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-18 08:36:58,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 08:36:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 08:36:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 167 transitions. [2018-11-18 08:36:58,070 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 167 transitions. Word has length 48 [2018-11-18 08:36:58,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:58,070 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 167 transitions. [2018-11-18 08:36:58,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:36:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 167 transitions. [2018-11-18 08:36:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 08:36:58,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:58,072 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 08:36:58,072 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:58,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:58,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1500261149, now seen corresponding path program 1 times [2018-11-18 08:36:58,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:58,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:58,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:58,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:58,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:58,171 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 08:36:58,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:36:58,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:36:58,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:36:58,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:36:58,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:36:58,172 INFO L87 Difference]: Start difference. First operand 145 states and 167 transitions. Second operand 7 states. [2018-11-18 08:36:58,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:58,569 INFO L93 Difference]: Finished difference Result 438 states and 522 transitions. [2018-11-18 08:36:58,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:36:58,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 08:36:58,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:58,572 INFO L225 Difference]: With dead ends: 438 [2018-11-18 08:36:58,573 INFO L226 Difference]: Without dead ends: 317 [2018-11-18 08:36:58,574 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 08:36:58,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-11-18 08:36:58,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 305. [2018-11-18 08:36:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-11-18 08:36:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 363 transitions. [2018-11-18 08:36:58,605 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 363 transitions. Word has length 53 [2018-11-18 08:36:58,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:58,605 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 363 transitions. [2018-11-18 08:36:58,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:36:58,605 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 363 transitions. [2018-11-18 08:36:58,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 08:36:58,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:58,608 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 08:36:58,611 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:58,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:58,611 INFO L82 PathProgramCache]: Analyzing trace with hash -714841937, now seen corresponding path program 1 times [2018-11-18 08:36:58,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:58,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:58,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:58,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:58,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:58,740 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 08:36:58,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:36:58,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 08:36:58,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:36:58,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:36:58,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:36:58,742 INFO L87 Difference]: Start difference. First operand 305 states and 363 transitions. Second operand 10 states. [2018-11-18 08:36:59,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:59,203 INFO L93 Difference]: Finished difference Result 1100 states and 1400 transitions. [2018-11-18 08:36:59,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 08:36:59,204 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 08:36:59,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:59,207 INFO L225 Difference]: With dead ends: 1100 [2018-11-18 08:36:59,207 INFO L226 Difference]: Without dead ends: 819 [2018-11-18 08:36:59,209 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 08:36:59,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-18 08:36:59,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-18 08:36:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 08:36:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 993 transitions. [2018-11-18 08:36:59,253 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 993 transitions. Word has length 58 [2018-11-18 08:36:59,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:59,254 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 993 transitions. [2018-11-18 08:36:59,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 08:36:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 993 transitions. [2018-11-18 08:36:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 08:36:59,256 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:59,256 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 08:36:59,257 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:59,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:59,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1261261483, now seen corresponding path program 1 times [2018-11-18 08:36:59,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:59,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:59,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:59,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:59,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:59,316 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 08:36:59,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:36:59,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:36:59,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:36:59,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:36:59,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:36:59,318 INFO L87 Difference]: Start difference. First operand 807 states and 993 transitions. Second operand 4 states. [2018-11-18 08:36:59,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:59,644 INFO L93 Difference]: Finished difference Result 2010 states and 2682 transitions. [2018-11-18 08:36:59,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:36:59,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 08:36:59,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:59,650 INFO L225 Difference]: With dead ends: 2010 [2018-11-18 08:36:59,650 INFO L226 Difference]: Without dead ends: 1227 [2018-11-18 08:36:59,653 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 08:36:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2018-11-18 08:36:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1080. [2018-11-18 08:36:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2018-11-18 08:36:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1337 transitions. [2018-11-18 08:36:59,719 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1337 transitions. Word has length 62 [2018-11-18 08:36:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:59,719 INFO L480 AbstractCegarLoop]: Abstraction has 1080 states and 1337 transitions. [2018-11-18 08:36:59,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:36:59,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1337 transitions. [2018-11-18 08:36:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 08:36:59,722 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:59,722 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 08:36:59,723 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:59,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:59,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1049508192, now seen corresponding path program 1 times [2018-11-18 08:36:59,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:59,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:59,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:59,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:59,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:59,820 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 08:36:59,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:59,820 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 08:36:59,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:59,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:37:00,041 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 08:37:00,067 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:37:00,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 08:37:00,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 08:37:00,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 08:37:00,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:37:00,068 INFO L87 Difference]: Start difference. First operand 1080 states and 1337 transitions. Second operand 12 states. [2018-11-18 08:37:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:37:02,000 INFO L93 Difference]: Finished difference Result 2540 states and 3388 transitions. [2018-11-18 08:37:02,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 08:37:02,000 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2018-11-18 08:37:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:37:02,006 INFO L225 Difference]: With dead ends: 2540 [2018-11-18 08:37:02,006 INFO L226 Difference]: Without dead ends: 1767 [2018-11-18 08:37:02,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-18 08:37:02,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-11-18 08:37:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1548. [2018-11-18 08:37:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1548 states. [2018-11-18 08:37:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 1938 transitions. [2018-11-18 08:37:02,072 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 1938 transitions. Word has length 91 [2018-11-18 08:37:02,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:37:02,073 INFO L480 AbstractCegarLoop]: Abstraction has 1548 states and 1938 transitions. [2018-11-18 08:37:02,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 08:37:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1938 transitions. [2018-11-18 08:37:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 08:37:02,076 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:37:02,076 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:37:02,076 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:37:02,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:37:02,076 INFO L82 PathProgramCache]: Analyzing trace with hash -223890062, now seen corresponding path program 1 times [2018-11-18 08:37:02,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:37:02,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:37:02,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:02,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:02,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 08:37:02,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:37:02,151 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 08:37:02,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:02,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:37:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:37:02,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:37:02,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-18 08:37:02,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:37:02,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:37:02,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:37:02,285 INFO L87 Difference]: Start difference. First operand 1548 states and 1938 transitions. Second operand 6 states. [2018-11-18 08:37:02,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:37:02,386 INFO L93 Difference]: Finished difference Result 3128 states and 4118 transitions. [2018-11-18 08:37:02,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:37:02,388 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-18 08:37:02,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:37:02,395 INFO L225 Difference]: With dead ends: 3128 [2018-11-18 08:37:02,395 INFO L226 Difference]: Without dead ends: 1604 [2018-11-18 08:37:02,399 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:37:02,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-11-18 08:37:02,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1588. [2018-11-18 08:37:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2018-11-18 08:37:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1982 transitions. [2018-11-18 08:37:02,477 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1982 transitions. Word has length 151 [2018-11-18 08:37:02,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:37:02,478 INFO L480 AbstractCegarLoop]: Abstraction has 1588 states and 1982 transitions. [2018-11-18 08:37:02,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:37:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1982 transitions. [2018-11-18 08:37:02,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 08:37:02,482 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:37:02,482 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:37:02,482 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:37:02,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:37:02,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1673606704, now seen corresponding path program 1 times [2018-11-18 08:37:02,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:37:02,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:37:02,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:02,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:02,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 08:37:02,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:37:02,580 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 08:37:02,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:02,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:37:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:37:02,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:37:02,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-18 08:37:02,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 08:37:02,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 08:37:02,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 08:37:02,771 INFO L87 Difference]: Start difference. First operand 1588 states and 1982 transitions. Second operand 11 states. [2018-11-18 08:37:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:37:02,852 INFO L93 Difference]: Finished difference Result 2883 states and 3700 transitions. [2018-11-18 08:37:02,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:37:02,853 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2018-11-18 08:37:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:37:02,859 INFO L225 Difference]: With dead ends: 2883 [2018-11-18 08:37:02,859 INFO L226 Difference]: Without dead ends: 1319 [2018-11-18 08:37:02,864 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 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 08:37:02,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2018-11-18 08:37:02,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319. [2018-11-18 08:37:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2018-11-18 08:37:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1648 transitions. [2018-11-18 08:37:02,937 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1648 transitions. Word has length 151 [2018-11-18 08:37:02,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:37:02,937 INFO L480 AbstractCegarLoop]: Abstraction has 1319 states and 1648 transitions. [2018-11-18 08:37:02,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 08:37:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1648 transitions. [2018-11-18 08:37:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 08:37:02,941 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:37:02,941 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:02,941 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:37:02,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:37:02,941 INFO L82 PathProgramCache]: Analyzing trace with hash -394496151, now seen corresponding path program 1 times [2018-11-18 08:37:02,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:37:02,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:37:02,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:02,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:02,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 08:37:03,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:37:03,070 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 08:37:03,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:03,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:37:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:37:03,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:37:03,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-18 08:37:03,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 08:37:03,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 08:37:03,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 08:37:03,278 INFO L87 Difference]: Start difference. First operand 1319 states and 1648 transitions. Second operand 14 states. [2018-11-18 08:37:04,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:37:04,904 INFO L93 Difference]: Finished difference Result 2984 states and 4035 transitions. [2018-11-18 08:37:04,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 08:37:04,904 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-11-18 08:37:04,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:37:04,910 INFO L225 Difference]: With dead ends: 2984 [2018-11-18 08:37:04,910 INFO L226 Difference]: Without dead ends: 1851 [2018-11-18 08:37:04,913 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 159 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 08:37:04,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2018-11-18 08:37:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1523. [2018-11-18 08:37:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2018-11-18 08:37:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1886 transitions. [2018-11-18 08:37:04,972 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1886 transitions. Word has length 155 [2018-11-18 08:37:04,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:37:04,972 INFO L480 AbstractCegarLoop]: Abstraction has 1523 states and 1886 transitions. [2018-11-18 08:37:04,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 08:37:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1886 transitions. [2018-11-18 08:37:04,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 08:37:04,975 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:37:04,975 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, 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] [2018-11-18 08:37:04,976 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:37:04,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:37:04,976 INFO L82 PathProgramCache]: Analyzing trace with hash 931823232, now seen corresponding path program 1 times [2018-11-18 08:37:04,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:37:04,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:37:04,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:04,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:04,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:37:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 08:37:05,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:37:05,067 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/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 08:37:05,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:37:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:37:05,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:37:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 08:37:05,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:37:05,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 08:37:05,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 08:37:05,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 08:37:05,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:37:05,210 INFO L87 Difference]: Start difference. First operand 1523 states and 1886 transitions. Second operand 13 states. [2018-11-18 08:37:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:37:05,303 INFO L93 Difference]: Finished difference Result 2056 states and 2538 transitions. [2018-11-18 08:37:05,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:37:05,304 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 210 [2018-11-18 08:37:05,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:37:05,305 INFO L225 Difference]: With dead ends: 2056 [2018-11-18 08:37:05,305 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:37:05,309 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 08:37:05,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:37:05,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:37:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:37:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:37:05,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2018-11-18 08:37:05,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:37:05,310 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:37:05,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 08:37:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:37:05,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:37:05,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:37:05,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:05,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:37:06,403 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2018-11-18 08:37:07,277 INFO L425 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2018-11-18 08:37:07,277 INFO L425 ceAbstractionStarter]: For program point L256-1(lines 256 277) no Hoare annotation was computed. [2018-11-18 08:37:07,277 INFO L425 ceAbstractionStarter]: For program point L256-3(lines 256 277) no Hoare annotation was computed. [2018-11-18 08:37:07,277 INFO L425 ceAbstractionStarter]: For program point L278(lines 255 279) no Hoare annotation was computed. [2018-11-18 08:37:07,277 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2018-11-18 08:37:07,277 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2018-11-18 08:37:07,277 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L339(lines 312 340) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L319(lines 319 323) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L313-1(lines 313 338) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L313-3(lines 313 338) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 08:37:07,278 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 08:37:07,278 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2018-11-18 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2018-11-18 08:37:07,279 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-18 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-18 08:37:07,279 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-18 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2018-11-18 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-18 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2018-11-18 08:37:07,279 INFO L428 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-18 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-18 08:37:07,279 INFO L421 ceAbstractionStarter]: At program point L161(line 161) 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 08:37:07,279 INFO L421 ceAbstractionStarter]: At program point L161-1(line 161) 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 08:37:07,279 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 155 177) 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 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2018-11-18 08:37:07,279 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L421 ceAbstractionStarter]: At program point L167(line 167) 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 08:37:07,280 INFO L421 ceAbstractionStarter]: At program point L167-1(line 167) 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 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L421 ceAbstractionStarter]: At program point L162(line 162) 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 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 08:37:07,280 INFO L425 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 806 820) no Hoare annotation was computed. [2018-11-18 08:37:07,281 INFO L421 ceAbstractionStarter]: At program point L812(line 812) 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 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 806 820) 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 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 806 820) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L428 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point L739(lines 739 747) no Hoare annotation was computed. [2018-11-18 08:37:07,282 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 532) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 525) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 145 154) 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 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-11-18 08:37:07,283 INFO L428 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-11-18 08:37:07,283 INFO L425 ceAbstractionStarter]: For program point L982(lines 982 988) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 978 991) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 978 991) the Hoare annotation is: true [2018-11-18 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 978 991) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-18 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L421 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 08:37:07,284 INFO L421 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 08:37:07,284 INFO L421 ceAbstractionStarter]: At program point L659(line 659) 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 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-18 08:37:07,284 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-18 08:37:07,285 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 830 897) 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 08:37:07,285 INFO L421 ceAbstractionStarter]: At program point L890(lines 839 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:37:07,285 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 830 897) no Hoare annotation was computed. [2018-11-18 08:37:07,285 INFO L421 ceAbstractionStarter]: At program point L880(line 880) 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 08:37:07,285 INFO L425 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-11-18 08:37:07,285 INFO L421 ceAbstractionStarter]: At program point L878-1(lines 870 885) 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 08:37:07,285 INFO L425 ceAbstractionStarter]: For program point L841(lines 840 889) no Hoare annotation was computed. [2018-11-18 08:37:07,285 INFO L421 ceAbstractionStarter]: At program point L872(line 872) 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 08:37:07,285 INFO L425 ceAbstractionStarter]: For program point L870(lines 870 885) no Hoare annotation was computed. [2018-11-18 08:37:07,285 INFO L421 ceAbstractionStarter]: At program point L862(line 862) 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 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point L860(lines 860 866) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L421 ceAbstractionStarter]: At program point L887(lines 840 889) 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 08:37:07,286 INFO L421 ceAbstractionStarter]: At program point L852(line 852) 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 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 846) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point L840-1(lines 840 889) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 830 897) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2018-11-18 08:37:07,286 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 479) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point L466(lines 466 486) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 992 1000) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 992 1000) the Hoare annotation is: true [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 992 1000) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 962) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 946 968) no Hoare annotation was computed. [2018-11-18 08:37:07,287 INFO L425 ceAbstractionStarter]: For program point L954-2(lines 954 962) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 946 968) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 946 968) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 394) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point L399(lines 398 418) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point L395(lines 395 436) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2018-11-18 08:37:07,288 INFO L425 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point L437(lines 437 448) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point L398-1(lines 398 418) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point L398-3(lines 398 418) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point L419(lines 397 420) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:37:07,289 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 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-11-18 08:37:07,289 INFO L421 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L421 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 969 977) the Hoare annotation is: true [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 969 977) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 969 977) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L428 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-11-18 08:37:07,290 INFO L425 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-18 08:37:07,291 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-11-18 08:37:07,291 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-11-18 08:37:07,291 INFO L425 ceAbstractionStarter]: For program point L929-1(lines 925 936) no Hoare annotation was computed. [2018-11-18 08:37:07,291 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 925 936) the Hoare annotation is: true [2018-11-18 08:37:07,291 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 925 936) no Hoare annotation was computed. [2018-11-18 08:37:07,291 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:37:07,291 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 08:37:07,291 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:37:07,291 INFO L421 ceAbstractionStarter]: At program point L608(line 608) 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 08:37:07,291 INFO L421 ceAbstractionStarter]: At program point L606(lines 606 612) 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 08:37:07,292 INFO L421 ceAbstractionStarter]: At program point L601(line 601) 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 08:37:07,292 INFO L425 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-11-18 08:37:07,292 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) 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 08:37:07,292 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-11-18 08:37:07,292 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-11-18 08:37:07,292 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-11-18 08:37:07,292 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 08:37:07,292 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-11-18 08:37:07,292 INFO L428 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-11-18 08:37:07,292 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-11-18 08:37:07,292 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 90 104) no Hoare annotation was computed. [2018-11-18 08:37:07,292 INFO L428 ceAbstractionStarter]: At program point L90-3(lines 90 104) the Hoare annotation is: true [2018-11-18 08:37:07,293 INFO L428 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-11-18 08:37:07,293 INFO L428 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-18 08:37:07,293 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 937 945) the Hoare annotation is: true [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 937 945) no Hoare annotation was computed. [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 937 945) no Hoare annotation was computed. [2018-11-18 08:37:07,293 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 901 912) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 901 912) no Hoare annotation was computed. [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-11-18 08:37:07,293 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-11-18 08:37:07,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:37:07,294 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 08:37:07,294 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:37:07,294 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:37:07,294 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 821 828) no Hoare annotation was computed. [2018-11-18 08:37:07,294 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 821 828) the Hoare annotation is: true [2018-11-18 08:37:07,294 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 821 828) no Hoare annotation was computed. [2018-11-18 08:37:07,294 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 08:37:07,294 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) 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 08:37:07,294 INFO L421 ceAbstractionStarter]: At program point L637(line 637) 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 08:37:07,294 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-18 08:37:07,294 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L421 ceAbstractionStarter]: At program point L633(line 633) 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 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L421 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 913 924) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 913 924) 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 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2018-11-18 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-11-18 08:37:07,295 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2018-11-18 08:37:07,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:37:07 BoogieIcfgContainer [2018-11-18 08:37:07,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:37:07,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:37:07,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:37:07,306 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:37:07,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:57" (3/4) ... [2018-11-18 08:37:07,311 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 08:37:07,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 08:37:07,319 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 08:37:07,320 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 08:37:07,321 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 08:37:07,321 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:37:07,321 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 08:37:07,321 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 08:37:07,321 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 08:37:07,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 08:37:07,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 08:37:07,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:37:07,350 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 08:37:07,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 08:37:07,393 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_71a5bab0-c73a-486e-b0fe-ae0b073f580d/bin-2019/uautomizer/witness.graphml [2018-11-18 08:37:07,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:37:07,394 INFO L168 Benchmark]: Toolchain (without parser) took 11030.16 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 422.1 MB). Free memory was 956.4 MB in the beginning and 820.4 MB in the end (delta: 136.0 MB). Peak memory consumption was 558.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:07,394 INFO L168 Benchmark]: CDTParser took 0.14 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 08:37:07,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:07,395 INFO L168 Benchmark]: Boogie Preprocessor took 60.54 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:07,395 INFO L168 Benchmark]: RCFGBuilder took 753.68 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: 92.6 MB). Peak memory consumption was 92.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:07,395 INFO L168 Benchmark]: TraceAbstraction took 9757.03 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 831.3 MB in the end (delta: 207.8 MB). Peak memory consumption was 490.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:07,396 INFO L168 Benchmark]: Witness Printer took 86.93 ms. Allocated memory is still 1.5 GB. Free memory was 831.3 MB in the beginning and 820.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:07,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.54 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 753.68 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: 92.6 MB). Peak memory consumption was 92.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9757.03 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 831.3 MB in the end (delta: 207.8 MB). Peak memory consumption was 490.5 MB. Max. memory is 11.5 GB. * Witness Printer took 86.93 ms. Allocated memory is still 1.5 GB. Free memory was 831.3 MB in the beginning and 820.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 840]: 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: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 1 error locations. SAFE Result, 9.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1922 SDtfs, 2661 SDslu, 6740 SDs, 0 SdLazy, 5694 SolverSat, 1685 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 796 SyntacticMatches, 4 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1588occurred 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, 734 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3436 PreInvPairs, 3547 NumberOfFragments, 1060 HoareAnnotationTreeSize, 3436 FomulaSimplifications, 10378 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 69 FomulaSimplificationsInter, 9949 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1783 NumberOfCodeBlocks, 1783 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1768 ConstructedInterpolants, 0 QuantifiedInterpolants, 350231 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3937 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 423/460 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...