./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b49fd66662c490ea81dc99d4f21b657b1bc3f920 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:41:30,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:41:30,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:41:30,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:41:30,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:41:30,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:41:30,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:41:30,459 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:41:30,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:41:30,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:41:30,463 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:41:30,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:41:30,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:41:30,465 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:41:30,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:41:30,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:41:30,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:41:30,470 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:41:30,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:41:30,474 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:41:30,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:41:30,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:41:30,479 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:41:30,479 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:41:30,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:41:30,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:41:30,482 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:41:30,482 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:41:30,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:41:30,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:41:30,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:41:30,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:41:30,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:41:30,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:41:30,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:41:30,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:41:30,489 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:41:30,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:41:30,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:41:30,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:41:30,504 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:41:30,504 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:41:30,505 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:41:30,505 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:41:30,505 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:41:30,505 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:41:30,505 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:41:30,505 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:41:30,506 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:41:30,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:41:30,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:41:30,507 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:41:30,507 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:41:30,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:41:30,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:41:30,509 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:41:30,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:41:30,509 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:41:30,509 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:41:30,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:41:30,510 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:41:30,510 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:41:30,510 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:41:30,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:41:30,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:41:30,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:41:30,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:41:30,511 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:41:30,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:41:30,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:41:30,512 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:41:30,512 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan 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 -> Taipan 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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-10-27 00:41:30,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:41:30,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:41:30,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:41:30,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:41:30,565 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:41:30,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-10-27 00:41:30,619 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/data/7d3110ac4/07d876e2e3e84c0281cf7b94093e93ad/FLAG243d6f36a [2018-10-27 00:41:31,062 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:41:31,063 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-10-27 00:41:31,076 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/data/7d3110ac4/07d876e2e3e84c0281cf7b94093e93ad/FLAG243d6f36a [2018-10-27 00:41:31,092 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/data/7d3110ac4/07d876e2e3e84c0281cf7b94093e93ad [2018-10-27 00:41:31,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:41:31,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:41:31,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:41:31,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:41:31,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:41:31,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ffa6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31, skipping insertion in model container [2018-10-27 00:41:31,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:41:31,171 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:41:31,478 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:41:31,488 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:41:31,564 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:41:31,595 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:41:31,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31 WrapperNode [2018-10-27 00:41:31,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:41:31,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:41:31,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:41:31,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:41:31,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:41:31,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:41:31,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:41:31,735 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:41:31,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... [2018-10-27 00:41:31,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:41:31,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:41:31,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:41:31,775 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:41:31,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/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 [2018-10-27 00:41:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-27 00:41:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-27 00:41:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:41:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:41:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-27 00:41:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-27 00:41:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-27 00:41:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-27 00:41:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-27 00:41:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-27 00:41:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-27 00:41:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-27 00:41:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-27 00:41:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-27 00:41:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-27 00:41:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-27 00:41:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-27 00:41:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-27 00:41:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 00:41:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 00:41:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:41:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:41:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:41:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:41:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-27 00:41:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-27 00:41:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:41:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:41:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-27 00:41:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-27 00:41:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-27 00:41:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-27 00:41:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-27 00:41:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-27 00:41:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-27 00:41:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-27 00:41:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 00:41:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 00:41:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:41:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:41:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:41:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:41:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:41:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:41:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-27 00:41:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-27 00:41:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:41:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:41:33,072 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:41:33,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:41:33 BoogieIcfgContainer [2018-10-27 00:41:33,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:41:33,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:41:33,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:41:33,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:41:33,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:41:31" (1/3) ... [2018-10-27 00:41:33,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa0b44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:41:33, skipping insertion in model container [2018-10-27 00:41:33,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:41:31" (2/3) ... [2018-10-27 00:41:33,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa0b44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:41:33, skipping insertion in model container [2018-10-27 00:41:33,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:41:33" (3/3) ... [2018-10-27 00:41:33,082 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-10-27 00:41:33,094 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:41:33,103 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:41:33,119 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:41:33,149 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:41:33,149 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:41:33,150 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:41:33,150 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:41:33,150 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:41:33,151 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:41:33,151 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:41:33,151 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:41:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-10-27 00:41:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:41:33,181 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:41:33,182 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] [2018-10-27 00:41:33,185 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:41:33,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:41:33,192 INFO L82 PathProgramCache]: Analyzing trace with hash 833993005, now seen corresponding path program 1 times [2018-10-27 00:41:33,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:41:33,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:33,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:41:33,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:33,237 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:41:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:41:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:41:33,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:41:33,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:41:33,476 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:41:33,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:41:33,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:41:33,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:41:33,502 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-10-27 00:41:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:41:33,540 INFO L93 Difference]: Finished difference Result 224 states and 279 transitions. [2018-10-27 00:41:33,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:41:33,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-27 00:41:33,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:41:33,554 INFO L225 Difference]: With dead ends: 224 [2018-10-27 00:41:33,554 INFO L226 Difference]: Without dead ends: 112 [2018-10-27 00:41:33,558 INFO L605 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 [2018-10-27 00:41:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-27 00:41:33,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-10-27 00:41:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-27 00:41:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 131 transitions. [2018-10-27 00:41:33,614 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 131 transitions. Word has length 46 [2018-10-27 00:41:33,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:41:33,614 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 131 transitions. [2018-10-27 00:41:33,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:41:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 131 transitions. [2018-10-27 00:41:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 00:41:33,617 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:41:33,618 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, 1, 1] [2018-10-27 00:41:33,618 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:41:33,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:41:33,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1117533332, now seen corresponding path program 1 times [2018-10-27 00:41:33,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:41:33,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:33,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:41:33,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:33,622 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:41:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:41:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:41:33,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:41:33,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:41:33,757 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:41:33,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:41:33,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:41:33,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:41:33,761 INFO L87 Difference]: Start difference. First operand 112 states and 131 transitions. Second operand 3 states. [2018-10-27 00:41:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:41:33,793 INFO L93 Difference]: Finished difference Result 165 states and 191 transitions. [2018-10-27 00:41:33,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:41:33,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-27 00:41:33,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:41:33,796 INFO L225 Difference]: With dead ends: 165 [2018-10-27 00:41:33,796 INFO L226 Difference]: Without dead ends: 102 [2018-10-27 00:41:33,798 INFO L605 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 [2018-10-27 00:41:33,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-10-27 00:41:33,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-10-27 00:41:33,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-27 00:41:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2018-10-27 00:41:33,814 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 48 [2018-10-27 00:41:33,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:41:33,814 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2018-10-27 00:41:33,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:41:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2018-10-27 00:41:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:41:33,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:41:33,816 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:41:33,817 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:41:33,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:41:33,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1114050225, now seen corresponding path program 1 times [2018-10-27 00:41:33,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:41:33,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:33,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:41:33,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:33,821 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:41:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:41:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:41:33,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:41:33,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:41:33,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:41:33,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:41:33,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:41:33,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:41:33,974 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2018-10-27 00:41:34,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:41:34,044 INFO L93 Difference]: Finished difference Result 233 states and 279 transitions. [2018-10-27 00:41:34,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:41:34,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-27 00:41:34,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:41:34,048 INFO L225 Difference]: With dead ends: 233 [2018-10-27 00:41:34,049 INFO L226 Difference]: Without dead ends: 155 [2018-10-27 00:41:34,050 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:41:34,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-10-27 00:41:34,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2018-10-27 00:41:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-10-27 00:41:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 180 transitions. [2018-10-27 00:41:34,073 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 180 transitions. Word has length 52 [2018-10-27 00:41:34,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:41:34,074 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 180 transitions. [2018-10-27 00:41:34,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:41:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 180 transitions. [2018-10-27 00:41:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-27 00:41:34,077 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:41:34,078 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] [2018-10-27 00:41:34,078 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:41:34,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:41:34,078 INFO L82 PathProgramCache]: Analyzing trace with hash 494795534, now seen corresponding path program 1 times [2018-10-27 00:41:34,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:41:34,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:34,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:41:34,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:34,080 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:41:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:41:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:41:34,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:41:34,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:41:34,309 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:41:34,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:41:34,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:41:34,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:41:34,310 INFO L87 Difference]: Start difference. First operand 151 states and 180 transitions. Second operand 6 states. [2018-10-27 00:41:35,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:41:35,222 INFO L93 Difference]: Finished difference Result 394 states and 489 transitions. [2018-10-27 00:41:35,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:41:35,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-27 00:41:35,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:41:35,226 INFO L225 Difference]: With dead ends: 394 [2018-10-27 00:41:35,227 INFO L226 Difference]: Without dead ends: 267 [2018-10-27 00:41:35,230 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:41:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-10-27 00:41:35,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 263. [2018-10-27 00:41:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-10-27 00:41:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 318 transitions. [2018-10-27 00:41:35,264 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 318 transitions. Word has length 58 [2018-10-27 00:41:35,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:41:35,265 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 318 transitions. [2018-10-27 00:41:35,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:41:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 318 transitions. [2018-10-27 00:41:35,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 00:41:35,269 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:41:35,269 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] [2018-10-27 00:41:35,270 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:41:35,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:41:35,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1006777138, now seen corresponding path program 1 times [2018-10-27 00:41:35,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:41:35,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:35,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:41:35,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:41:35,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:41:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:41:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:41:35,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:41:35,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:41:35,892 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:41:35,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:41:35,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:41:35,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:41:35,896 INFO L87 Difference]: Start difference. First operand 263 states and 318 transitions. Second operand 7 states. [2018-10-27 00:41:36,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:41:36,893 INFO L93 Difference]: Finished difference Result 441 states and 552 transitions. [2018-10-27 00:41:36,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:41:36,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-27 00:41:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:41:36,894 INFO L225 Difference]: With dead ends: 441 [2018-10-27 00:41:36,895 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:41:36,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:41:36,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:41:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:41:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:41:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:41:36,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-10-27 00:41:36,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:41:36,897 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:41:36,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:41:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:41:36,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:41:36,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:41:37,449 WARN L179 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 9 [2018-10-27 00:41:37,843 WARN L179 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 7 [2018-10-27 00:41:38,215 WARN L179 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-27 00:41:39,004 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 11 [2018-10-27 00:41:39,263 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2018-10-27 00:41:39,263 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2018-10-27 00:41:39,264 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2018-10-27 00:41:39,264 INFO L421 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:41:39,264 INFO L425 ceAbstractionStarter]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2018-10-27 00:41:39,264 INFO L421 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:41:39,264 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2018-10-27 00:41:39,264 INFO L421 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:41:39,264 INFO L425 ceAbstractionStarter]: For program point L788(lines 788 796) no Hoare annotation was computed. [2018-10-27 00:41:39,265 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:41:39,265 INFO L421 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:41:39,265 INFO L425 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2018-10-27 00:41:39,265 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 801) no Hoare annotation was computed. [2018-10-27 00:41:39,265 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-10-27 00:41:39,265 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-10-27 00:41:39,265 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2018-10-27 00:41:39,265 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2018-10-27 00:41:39,265 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-10-27 00:41:39,265 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-10-27 00:41:39,266 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-10-27 00:41:39,266 INFO L425 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2018-10-27 00:41:39,266 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 676 741) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,266 INFO L421 ceAbstractionStarter]: At program point L731(lines 686 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,266 INFO L421 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,266 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2018-10-27 00:41:39,266 INFO L425 ceAbstractionStarter]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2018-10-27 00:41:39,266 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2018-10-27 00:41:39,267 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 692) no Hoare annotation was computed. [2018-10-27 00:41:39,267 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 686 733) no Hoare annotation was computed. [2018-10-27 00:41:39,271 INFO L421 ceAbstractionStarter]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,271 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,271 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2018-10-27 00:41:39,271 INFO L421 ceAbstractionStarter]: At program point L722-1(lines 716 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,272 INFO L425 ceAbstractionStarter]: For program point L687(lines 686 733) no Hoare annotation was computed. [2018-10-27 00:41:39,272 INFO L425 ceAbstractionStarter]: For program point L716(lines 716 729) no Hoare annotation was computed. [2018-10-27 00:41:39,272 INFO L421 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,272 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2018-10-27 00:41:39,272 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-10-27 00:41:39,272 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,272 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2018-10-27 00:41:39,272 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2018-10-27 00:41:39,273 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,273 INFO L421 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,273 INFO L425 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2018-10-27 00:41:39,273 INFO L425 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2018-10-27 00:41:39,273 INFO L425 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-10-27 00:41:39,273 INFO L421 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,273 INFO L421 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,274 INFO L421 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,274 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2018-10-27 00:41:39,274 INFO L421 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-27 00:41:39,274 INFO L425 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2018-10-27 00:41:39,274 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-10-27 00:41:39,274 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2018-10-27 00:41:39,274 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2018-10-27 00:41:39,274 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2018-10-27 00:41:39,275 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2018-10-27 00:41:39,275 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2018-10-27 00:41:39,275 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2018-10-27 00:41:39,281 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2018-10-27 00:41:39,281 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:41:39,282 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-27 00:41:39,282 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:41:39,282 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2018-10-27 00:41:39,282 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2018-10-27 00:41:39,282 INFO L428 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-10-27 00:41:39,282 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2018-10-27 00:41:39,282 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2018-10-27 00:41:39,282 INFO L425 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-10-27 00:41:39,282 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-10-27 00:41:39,283 INFO L425 ceAbstractionStarter]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2018-10-27 00:41:39,283 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L425 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-10-27 00:41:39,283 INFO L428 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2018-10-27 00:41:39,284 INFO L425 ceAbstractionStarter]: For program point L222-1(lines 222 236) no Hoare annotation was computed. [2018-10-27 00:41:39,284 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2018-10-27 00:41:39,284 INFO L428 ceAbstractionStarter]: At program point L222-3(lines 222 236) the Hoare annotation is: true [2018-10-27 00:41:39,284 INFO L428 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-10-27 00:41:39,284 INFO L425 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2018-10-27 00:41:39,284 INFO L428 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2018-10-27 00:41:39,284 INFO L425 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-10-27 00:41:39,284 INFO L421 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-27 00:41:39,284 INFO L421 ceAbstractionStarter]: At program point L759(lines 759 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:41:39,284 INFO L421 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-27 00:41:39,285 INFO L425 ceAbstractionStarter]: For program point L752(lines 751 770) no Hoare annotation was computed. [2018-10-27 00:41:39,285 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:41:39,285 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2018-10-27 00:41:39,285 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2018-10-27 00:41:39,285 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2018-10-27 00:41:39,285 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2018-10-27 00:41:39,285 INFO L425 ceAbstractionStarter]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2018-10-27 00:41:39,285 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-10-27 00:41:39,285 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-10-27 00:41:39,285 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:41:39,286 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-10-27 00:41:39,286 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:41:39,286 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:41:39,286 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2018-10-27 00:41:39,286 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2018-10-27 00:41:39,286 INFO L425 ceAbstractionStarter]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2018-10-27 00:41:39,286 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2018-10-27 00:41:39,286 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2018-10-27 00:41:39,286 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-10-27 00:41:39,287 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-10-27 00:41:39,287 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-10-27 00:41:39,287 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-10-27 00:41:39,289 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 275 284) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:41:39,289 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2018-10-27 00:41:39,289 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2018-10-27 00:41:39,289 INFO L425 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-10-27 00:41:39,290 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 205) no Hoare annotation was computed. [2018-10-27 00:41:39,290 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2018-10-27 00:41:39,290 INFO L428 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2018-10-27 00:41:39,290 INFO L425 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-10-27 00:41:39,290 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2018-10-27 00:41:39,290 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2018-10-27 00:41:39,290 INFO L421 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-27 00:41:39,290 INFO L425 ceAbstractionStarter]: For program point L196(lines 196 202) no Hoare annotation was computed. [2018-10-27 00:41:39,290 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-27 00:41:39,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:41:39 BoogieIcfgContainer [2018-10-27 00:41:39,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:41:39,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:41:39,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:41:39,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:41:39,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:41:33" (3/4) ... [2018-10-27 00:41:39,314 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:41:39,322 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 00:41:39,322 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-27 00:41:39,322 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-27 00:41:39,322 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-27 00:41:39,322 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 00:41:39,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:41:39,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:41:39,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-27 00:41:39,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-27 00:41:39,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-27 00:41:39,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:41:39,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-27 00:41:39,325 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-27 00:41:39,325 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:41:39,339 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-27 00:41:39,340 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-27 00:41:39,341 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-27 00:41:39,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-10-27 00:41:39,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-10-27 00:41:39,429 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_973df423-ad11-408e-b641-2650de927a60/bin-2019/utaipan/witness.graphml [2018-10-27 00:41:39,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:41:39,430 INFO L168 Benchmark]: Toolchain (without parser) took 8334.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.1 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:41:39,431 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:41:39,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.84 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 934.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:41:39,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 934.3 MB in the beginning and 1.2 GB in the end (delta: -229.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:41:39,432 INFO L168 Benchmark]: Boogie Preprocessor took 39.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:41:39,432 INFO L168 Benchmark]: RCFGBuilder took 1297.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:41:39,432 INFO L168 Benchmark]: TraceAbstraction took 6230.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -66.7 MB). Peak memory consumption was 240.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:41:39,433 INFO L168 Benchmark]: Witness Printer took 124.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:41:39,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.84 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 934.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 139.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 934.3 MB in the beginning and 1.2 GB in the end (delta: -229.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1297.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6230.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -66.7 MB). Peak memory consumption was 240.7 MB. Max. memory is 11.5 GB. * Witness Printer took 124.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 125 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 600 SDtfs, 256 SDslu, 714 SDs, 0 SdLazy, 224 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 317 PreInvPairs, 348 NumberOfFragments, 456 HoareAnnotationTreeSize, 317 FomulaSimplifications, 252 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1093 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...