./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_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_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/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 ffb924ee3454938bf87e2a52362fa3f53467287e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:51:51,626 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:51:51,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:51:51,635 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:51:51,635 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:51:51,636 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:51:51,637 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:51:51,638 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:51:51,639 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:51:51,640 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:51:51,640 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:51:51,641 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:51:51,641 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:51:51,642 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:51:51,643 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:51:51,643 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:51:51,645 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:51:51,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:51:51,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:51:51,649 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:51:51,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:51:51,651 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:51:51,653 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:51:51,653 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:51:51,653 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:51:51,654 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:51:51,655 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:51:51,655 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:51:51,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:51:51,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:51:51,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:51:51,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:51:51,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:51:51,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:51:51,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:51:51,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:51:51,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:51:51,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:51:51,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:51:51,672 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:51:51,672 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:51:51,672 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:51:51,672 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:51:51,673 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:51:51,673 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:51:51,673 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:51:51,673 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:51:51,673 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:51:51,674 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:51:51,674 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:51:51,674 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:51:51,674 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:51:51,674 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:51:51,675 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:51:51,675 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:51:51,675 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:51:51,675 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:51:51,675 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:51:51,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:51:51,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:51:51,676 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:51:51,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:51:51,678 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:51:51,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:51:51,678 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:51:51,678 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:51:51,678 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:51:51,678 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:51:51,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:51:51,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:51:51,679 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:51:51,679 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_083e59dd-7f84-4928-8f5e-802b2fe82b9e/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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2018-11-10 10:51:51,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:51:51,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:51:51,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:51:51,714 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:51:51,714 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:51:51,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-10 10:51:51,752 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/data/8f878495a/70ef15bb2e9941b6a1b1baaca35e07b0/FLAG43993d41d [2018-11-10 10:51:52,165 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:51:52,166 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-10 10:51:52,173 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/data/8f878495a/70ef15bb2e9941b6a1b1baaca35e07b0/FLAG43993d41d [2018-11-10 10:51:52,185 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/data/8f878495a/70ef15bb2e9941b6a1b1baaca35e07b0 [2018-11-10 10:51:52,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:51:52,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:51:52,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:51:52,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:51:52,190 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:51:52,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52, skipping insertion in model container [2018-11-10 10:51:52,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:51:52,229 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:51:52,413 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:51:52,420 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:51:52,473 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:51:52,490 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:51:52,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52 WrapperNode [2018-11-10 10:51:52,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:51:52,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:51:52,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:51:52,492 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:51:52,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:51:52,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:51:52,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:51:52,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:51:52,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... [2018-11-10 10:51:52,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:51:52,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:51:52,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:51:52,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:51:52,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/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 [2018-11-10 10:51:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 10:51:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 10:51:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:51:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:51:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 10:51:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 10:51:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 10:51:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 10:51:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 10:51:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 10:51:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 10:51:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 10:51:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 10:51:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 10:51:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 10:51:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 10:51:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 10:51:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 10:51:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 10:51:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 10:51:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 10:51:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 10:51:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 10:51:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 10:51:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 10:51:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 10:51:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:51:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:51:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 10:51:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 10:51:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 10:51:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 10:51:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 10:51:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 10:51:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 10:51:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 10:51:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:51:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:51:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 10:51:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 10:51:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:51:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:51:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 10:51:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 10:51:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 10:51:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 10:51:53,232 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:51:53,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:51:53 BoogieIcfgContainer [2018-11-10 10:51:53,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:51:53,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:51:53,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:51:53,236 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:51:53,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:51:52" (1/3) ... [2018-11-10 10:51:53,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bbb24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:51:53, skipping insertion in model container [2018-11-10 10:51:53,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:52" (2/3) ... [2018-11-10 10:51:53,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bbb24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:51:53, skipping insertion in model container [2018-11-10 10:51:53,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:51:53" (3/3) ... [2018-11-10 10:51:53,239 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-10 10:51:53,245 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:51:53,252 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:51:53,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:51:53,285 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:51:53,285 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:51:53,285 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:51:53,285 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:51:53,285 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:51:53,285 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:51:53,285 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:51:53,285 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:51:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-11-10 10:51:53,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 10:51:53,305 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:51:53,306 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] [2018-11-10 10:51:53,308 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:51:53,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:51:53,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2139353418, now seen corresponding path program 1 times [2018-11-10 10:51:53,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:51:53,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:53,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:51:53,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:53,346 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:51:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:53,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:51:53,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:51:53,506 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:51:53,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:51:53,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:51:53,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:51:53,520 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-11-10 10:51:53,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:51:53,546 INFO L93 Difference]: Finished difference Result 210 states and 261 transitions. [2018-11-10 10:51:53,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:51:53,547 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 10:51:53,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:51:53,555 INFO L225 Difference]: With dead ends: 210 [2018-11-10 10:51:53,555 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 10:51:53,558 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 [2018-11-10 10:51:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 10:51:53,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-10 10:51:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-10 10:51:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2018-11-10 10:51:53,592 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 46 [2018-11-10 10:51:53,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:51:53,592 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2018-11-10 10:51:53,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:51:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2018-11-10 10:51:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:51:53,595 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:51:53,595 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] [2018-11-10 10:51:53,595 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:51:53,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:51:53,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1754336131, now seen corresponding path program 1 times [2018-11-10 10:51:53,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:51:53,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:53,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:51:53,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:53,597 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:51:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:53,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:51:53,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:51:53,689 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:51:53,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:51:53,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:51:53,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:51:53,691 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 3 states. [2018-11-10 10:51:53,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:51:53,706 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2018-11-10 10:51:53,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:51:53,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 10:51:53,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:51:53,708 INFO L225 Difference]: With dead ends: 153 [2018-11-10 10:51:53,708 INFO L226 Difference]: Without dead ends: 95 [2018-11-10 10:51:53,709 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 [2018-11-10 10:51:53,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-10 10:51:53,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-10 10:51:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-10 10:51:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-11-10 10:51:53,719 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 48 [2018-11-10 10:51:53,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:51:53,719 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-11-10 10:51:53,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:51:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-11-10 10:51:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 10:51:53,721 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:51:53,721 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] [2018-11-10 10:51:53,721 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:51:53,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:51:53,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1304680642, now seen corresponding path program 1 times [2018-11-10 10:51:53,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:51:53,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:53,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:51:53,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:53,723 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:51:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:53,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:51:53,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:51:53,835 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:51:53,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:51:53,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:51:53,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:51:53,836 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2018-11-10 10:51:54,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:51:54,057 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-11-10 10:51:54,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 10:51:54,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 10:51:54,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:51:54,059 INFO L225 Difference]: With dead ends: 166 [2018-11-10 10:51:54,059 INFO L226 Difference]: Without dead ends: 95 [2018-11-10 10:51:54,060 INFO L605 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 [2018-11-10 10:51:54,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-10 10:51:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-10 10:51:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-10 10:51:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-11-10 10:51:54,067 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 53 [2018-11-10 10:51:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:51:54,067 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-11-10 10:51:54,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:51:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-11-10 10:51:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 10:51:54,069 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:51:54,069 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] [2018-11-10 10:51:54,070 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:51:54,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:51:54,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1684607030, now seen corresponding path program 1 times [2018-11-10 10:51:54,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:51:54,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:54,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:51:54,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:54,071 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:51:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:54,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:51:54,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:51:54,158 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:51:54,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:51:54,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:51:54,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:51:54,159 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2018-11-10 10:51:54,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:51:54,420 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2018-11-10 10:51:54,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:51:54,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-10 10:51:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:51:54,423 INFO L225 Difference]: With dead ends: 230 [2018-11-10 10:51:54,423 INFO L226 Difference]: Without dead ends: 159 [2018-11-10 10:51:54,423 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:51:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-10 10:51:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2018-11-10 10:51:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-10 10:51:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-11-10 10:51:54,446 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 61 [2018-11-10 10:51:54,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:51:54,446 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-11-10 10:51:54,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:51:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-11-10 10:51:54,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 10:51:54,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:51:54,448 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:51:54,448 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:51:54,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:51:54,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1653702098, now seen corresponding path program 1 times [2018-11-10 10:51:54,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:51:54,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:54,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:51:54,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:51:54,450 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:51:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:54,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:51:54,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:51:54,554 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:51:54,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:51:54,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:51:54,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:51:54,555 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 7 states. [2018-11-10 10:51:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:51:54,812 INFO L93 Difference]: Finished difference Result 255 states and 302 transitions. [2018-11-10 10:51:54,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:51:54,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-10 10:51:54,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:51:54,813 INFO L225 Difference]: With dead ends: 255 [2018-11-10 10:51:54,813 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:51:54,814 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:51:54,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:51:54,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:51:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:51:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:51:54,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-10 10:51:54,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:51:54,814 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:51:54,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:51:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:51:54,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:51:54,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:51:55,410 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2018-11-10 10:51:55,410 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2018-11-10 10:51:55,410 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2018-11-10 10:51:55,410 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 736 760) no Hoare annotation was computed. [2018-11-10 10:51:55,410 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 736 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,411 INFO L421 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,411 INFO L425 ceAbstractionStarter]: For program point L755-1(lines 736 760) no Hoare annotation was computed. [2018-11-10 10:51:55,411 INFO L421 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,411 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,411 INFO L425 ceAbstractionStarter]: For program point L744(lines 744 752) no Hoare annotation was computed. [2018-11-10 10:51:55,411 INFO L421 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,411 INFO L425 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-10 10:51:55,411 INFO L425 ceAbstractionStarter]: For program point L740(lines 740 757) no Hoare annotation was computed. [2018-11-10 10:51:55,411 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 513 519) the Hoare annotation is: true [2018-11-10 10:51:55,411 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 513 519) no Hoare annotation was computed. [2018-11-10 10:51:55,411 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 520 528) no Hoare annotation was computed. [2018-11-10 10:51:55,412 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 520 528) the Hoare annotation is: true [2018-11-10 10:51:55,412 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 520 528) no Hoare annotation was computed. [2018-11-10 10:51:55,419 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 630 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,419 INFO L425 ceAbstractionStarter]: For program point L640-1(lines 640 687) no Hoare annotation was computed. [2018-11-10 10:51:55,419 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 630 695) no Hoare annotation was computed. [2018-11-10 10:51:55,419 INFO L421 ceAbstractionStarter]: At program point L688(lines 639 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,419 INFO L425 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-11-10 10:51:55,419 INFO L421 ceAbstractionStarter]: At program point L678-2(lines 670 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 10:51:55,419 INFO L425 ceAbstractionStarter]: For program point L641(lines 640 687) no Hoare annotation was computed. [2018-11-10 10:51:55,419 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 10:51:55,420 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 683) no Hoare annotation was computed. [2018-11-10 10:51:55,420 INFO L421 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 10:51:55,420 INFO L425 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-11-10 10:51:55,420 INFO L425 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2018-11-10 10:51:55,420 INFO L421 ceAbstractionStarter]: At program point L685(lines 640 687) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 10:51:55,420 INFO L421 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 10:51:55,420 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-11-10 10:51:55,420 INFO L425 ceAbstractionStarter]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2018-11-10 10:51:55,420 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 630 695) no Hoare annotation was computed. [2018-11-10 10:51:55,420 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 646) no Hoare annotation was computed. [2018-11-10 10:51:55,420 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,421 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2018-11-10 10:51:55,421 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2018-11-10 10:51:55,421 INFO L421 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 10:51:55,421 INFO L421 ceAbstractionStarter]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 10:51:55,421 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2018-11-10 10:51:55,421 INFO L425 ceAbstractionStarter]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2018-11-10 10:51:55,421 INFO L425 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-11-10 10:51:55,421 INFO L421 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,421 INFO L421 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,421 INFO L421 ceAbstractionStarter]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,422 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 734) no Hoare annotation was computed. [2018-11-10 10:51:55,422 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 728 734) the Hoare annotation is: true [2018-11-10 10:51:55,422 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2018-11-10 10:51:55,422 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2018-11-10 10:51:55,422 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 805 813) no Hoare annotation was computed. [2018-11-10 10:51:55,422 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:51:55,422 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 10:51:55,422 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:51:55,422 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,422 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-10 10:51:55,422 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-10 10:51:55,422 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2018-11-10 10:51:55,423 INFO L428 ceAbstractionStarter]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point L542-1(lines 542 556) no Hoare annotation was computed. [2018-11-10 10:51:55,423 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2018-11-10 10:51:55,423 INFO L428 ceAbstractionStarter]: At program point L542-3(lines 542 556) the Hoare annotation is: true [2018-11-10 10:51:55,423 INFO L428 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-11-10 10:51:55,423 INFO L428 ceAbstractionStarter]: At program point L557(lines 532 561) the Hoare annotation is: true [2018-11-10 10:51:55,423 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-10 10:51:55,424 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 704 727) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,424 INFO L421 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,424 INFO L421 ceAbstractionStarter]: At program point L715(lines 715 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,424 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 704 727) no Hoare annotation was computed. [2018-11-10 10:51:55,424 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 704 727) no Hoare annotation was computed. [2018-11-10 10:51:55,424 INFO L421 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,424 INFO L425 ceAbstractionStarter]: For program point L708(lines 707 726) no Hoare annotation was computed. [2018-11-10 10:51:55,424 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-10 10:51:55,424 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-10 10:51:55,424 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-10 10:51:55,424 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 506 512) no Hoare annotation was computed. [2018-11-10 10:51:55,425 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 506 512) the Hoare annotation is: true [2018-11-10 10:51:55,425 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:51:55,425 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 10:51:55,425 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:51:55,425 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:51:55,425 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2018-11-10 10:51:55,425 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2018-11-10 10:51:55,425 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-11-10 10:51:55,425 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-10 10:51:55,425 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-11-10 10:51:55,425 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-10 10:51:55,425 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-10 10:51:55,426 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-11-10 10:51:55,426 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2018-11-10 10:51:55,426 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2018-11-10 10:51:55,426 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2018-11-10 10:51:55,426 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2018-11-10 10:51:55,426 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 10:51:55,426 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2018-11-10 10:51:55,426 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2018-11-10 10:51:55,426 INFO L425 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-11-10 10:51:55,426 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 860 884) the Hoare annotation is: true [2018-11-10 10:51:55,427 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 860 884) no Hoare annotation was computed. [2018-11-10 10:51:55,427 INFO L421 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 10:51:55,427 INFO L425 ceAbstractionStarter]: For program point L872(lines 872 878) no Hoare annotation was computed. [2018-11-10 10:51:55,427 INFO L421 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 10:51:55,427 INFO L425 ceAbstractionStarter]: For program point L870-1(line 870) no Hoare annotation was computed. [2018-11-10 10:51:55,427 INFO L425 ceAbstractionStarter]: For program point L868(lines 868 881) no Hoare annotation was computed. [2018-11-10 10:51:55,427 INFO L425 ceAbstractionStarter]: For program point L868-1(lines 860 884) no Hoare annotation was computed. [2018-11-10 10:51:55,427 INFO L428 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-11-10 10:51:55,427 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2018-11-10 10:51:55,427 INFO L428 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-11-10 10:51:55,427 INFO L425 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2018-11-10 10:51:55,427 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2018-11-10 10:51:55,428 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 794 804) no Hoare annotation was computed. [2018-11-10 10:51:55,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:51:55 BoogieIcfgContainer [2018-11-10 10:51:55,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:51:55,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:51:55,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:51:55,440 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:51:55,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:51:53" (3/4) ... [2018-11-10 10:51:55,444 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:51:55,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 10:51:55,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 10:51:55,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 10:51:55,452 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 10:51:55,452 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 10:51:55,459 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 10:51:55,460 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 10:51:55,460 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 10:51:55,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-10 10:51:55,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 10:51:55,518 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_083e59dd-7f84-4928-8f5e-802b2fe82b9e/bin-2019/utaipan/witness.graphml [2018-11-10 10:51:55,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:51:55,519 INFO L168 Benchmark]: Toolchain (without parser) took 3331.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 954.8 MB in the beginning and 979.1 MB in the end (delta: -24.3 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:51:55,520 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:51:55,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.16 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:51:55,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:51:55,520 INFO L168 Benchmark]: Boogie Preprocessor took 21.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:51:55,521 INFO L168 Benchmark]: RCFGBuilder took 635.22 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: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:51:55,521 INFO L168 Benchmark]: TraceAbstraction took 2206.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.7 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:51:55,521 INFO L168 Benchmark]: Witness Printer took 77.99 ms. Allocated memory is still 1.2 GB. Free memory was 989.7 MB in the beginning and 979.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:51:55,522 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.16 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 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 83.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 635.22 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: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2206.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.7 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * Witness Printer took 77.99 ms. Allocated memory is still 1.2 GB. Free memory was 989.7 MB in the beginning and 979.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 118 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 529 SDtfs, 250 SDslu, 815 SDs, 0 SdLazy, 320 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 498 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 28296 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...