./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/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 f0335c6392c59c467837b14da92286fa43b99dfc ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:35:12,721 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:35:12,722 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:35:12,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:35:12,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:35:12,730 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:35:12,731 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:35:12,732 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:35:12,733 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:35:12,734 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:35:12,734 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:35:12,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:35:12,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:35:12,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:35:12,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:35:12,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:35:12,738 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:35:12,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:35:12,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:35:12,742 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:35:12,743 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:35:12,744 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:35:12,746 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:35:12,746 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:35:12,746 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:35:12,747 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:35:12,748 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:35:12,749 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:35:12,749 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:35:12,750 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:35:12,750 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:35:12,751 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:35:12,751 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:35:12,751 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:35:12,751 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:35:12,752 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:35:12,752 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:35:12,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:35:12,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:35:12,763 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:35:12,764 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:35:12,764 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:35:12,765 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:35:12,765 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:35:12,765 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:35:12,765 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:35:12,765 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:35:12,765 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:35:12,766 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:35:12,766 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:35:12,766 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:35:12,766 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:35:12,766 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:35:12,766 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:35:12,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:35:12,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:35:12,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:35:12,767 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:35:12,767 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_308e4ec7-05fc-45f0-b6b6-82f66558646f/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-11-18 10:35:12,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:35:12,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:35:12,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:35:12,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:35:12,803 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:35:12,803 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 10:35:12,839 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/data/afd5f0f63/dd3c928b44fd4b249590ffb263e0d009/FLAG3b307a096 [2018-11-18 10:35:13,187 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:35:13,187 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 10:35:13,194 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/data/afd5f0f63/dd3c928b44fd4b249590ffb263e0d009/FLAG3b307a096 [2018-11-18 10:35:13,205 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/data/afd5f0f63/dd3c928b44fd4b249590ffb263e0d009 [2018-11-18 10:35:13,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:35:13,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:35:13,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:35:13,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:35:13,212 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:35:13,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13, skipping insertion in model container [2018-11-18 10:35:13,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:35:13,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:35:13,481 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:35:13,491 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:35:13,595 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:35:13,615 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:35:13,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13 WrapperNode [2018-11-18 10:35:13,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:35:13,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:35:13,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:35:13,616 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:35:13,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:35:13,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:35:13,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:35:13,636 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:35:13,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... [2018-11-18 10:35:13,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:35:13,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:35:13,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:35:13,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:35:13,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/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 [2018-11-18 10:35:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:35:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:35:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:35:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:35:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:35:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:35:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 10:35:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 10:35:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:35:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:35:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:35:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:35:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:35:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:35:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:35:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:35:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:35:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 10:35:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 10:35:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:35:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:35:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:35:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:35:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:35:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:35:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:35:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:35:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 10:35:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 10:35:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:35:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:35:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:35:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:35:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:35:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:35:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:35:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:35:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:35:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:35:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:35:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:35:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:35:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:35:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:35:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:35:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:35:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:35:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:35:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:35:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:35:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:35:14,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:35:14,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:14 BoogieIcfgContainer [2018-11-18 10:35:14,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:35:14,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:35:14,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:35:14,146 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:35:14,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:35:13" (1/3) ... [2018-11-18 10:35:14,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b515ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:35:14, skipping insertion in model container [2018-11-18 10:35:14,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:13" (2/3) ... [2018-11-18 10:35:14,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b515ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:35:14, skipping insertion in model container [2018-11-18 10:35:14,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:14" (3/3) ... [2018-11-18 10:35:14,149 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 10:35:14,156 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:35:14,164 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:35:14,173 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:35:14,197 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:35:14,197 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:35:14,197 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:35:14,197 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:35:14,197 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:35:14,197 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:35:14,197 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:35:14,197 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:35:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-18 10:35:14,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:35:14,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:14,218 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:35:14,221 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:14,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:14,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1611142684, now seen corresponding path program 1 times [2018-11-18 10:35:14,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:14,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:14,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:14,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:14,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:14,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:14,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:35:14,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:14,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:35:14,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:35:14,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:35:14,440 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-18 10:35:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:14,466 INFO L93 Difference]: Finished difference Result 228 states and 281 transitions. [2018-11-18 10:35:14,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:35:14,467 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 10:35:14,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:14,476 INFO L225 Difference]: With dead ends: 228 [2018-11-18 10:35:14,476 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 10:35:14,479 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:35:14,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 10:35:14,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-18 10:35:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-18 10:35:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-11-18 10:35:14,516 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 46 [2018-11-18 10:35:14,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:14,516 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-11-18 10:35:14,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:35:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-11-18 10:35:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:35:14,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:14,520 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:35:14,520 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:14,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:14,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1002678692, now seen corresponding path program 1 times [2018-11-18 10:35:14,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:14,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:14,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:14,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:14,521 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:14,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:14,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:35:14,626 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:14,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:35:14,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:35:14,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:35:14,627 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 3 states. [2018-11-18 10:35:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:14,644 INFO L93 Difference]: Finished difference Result 165 states and 189 transitions. [2018-11-18 10:35:14,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:35:14,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 10:35:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:14,646 INFO L225 Difference]: With dead ends: 165 [2018-11-18 10:35:14,646 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 10:35:14,648 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:35:14,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 10:35:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-18 10:35:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 10:35:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2018-11-18 10:35:14,657 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 48 [2018-11-18 10:35:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:14,657 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2018-11-18 10:35:14,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:35:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2018-11-18 10:35:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:35:14,658 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:14,658 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:35:14,658 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:14,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:14,659 INFO L82 PathProgramCache]: Analyzing trace with hash 974964793, now seen corresponding path program 1 times [2018-11-18 10:35:14,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:14,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:14,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:14,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:14,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:14,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:14,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:35:14,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:14,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:35:14,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:35:14,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:35:14,775 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 7 states. [2018-11-18 10:35:15,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:15,085 INFO L93 Difference]: Finished difference Result 315 states and 378 transitions. [2018-11-18 10:35:15,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:35:15,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 10:35:15,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:15,088 INFO L225 Difference]: With dead ends: 315 [2018-11-18 10:35:15,088 INFO L226 Difference]: Without dead ends: 235 [2018-11-18 10:35:15,089 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:35:15,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-18 10:35:15,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 223. [2018-11-18 10:35:15,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-18 10:35:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 267 transitions. [2018-11-18 10:35:15,115 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 267 transitions. Word has length 53 [2018-11-18 10:35:15,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:15,115 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 267 transitions. [2018-11-18 10:35:15,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:35:15,116 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2018-11-18 10:35:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 10:35:15,119 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:15,119 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:35:15,119 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:15,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:15,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1832752220, now seen corresponding path program 1 times [2018-11-18 10:35:15,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:15,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:15,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:15,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:15,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:15,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:15,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:35:15,255 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:15,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:35:15,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:35:15,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:35:15,256 INFO L87 Difference]: Start difference. First operand 223 states and 267 transitions. Second operand 10 states. [2018-11-18 10:35:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:15,668 INFO L93 Difference]: Finished difference Result 772 states and 987 transitions. [2018-11-18 10:35:15,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:35:15,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 10:35:15,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:15,675 INFO L225 Difference]: With dead ends: 772 [2018-11-18 10:35:15,675 INFO L226 Difference]: Without dead ends: 573 [2018-11-18 10:35:15,678 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:35:15,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-11-18 10:35:15,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 561. [2018-11-18 10:35:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2018-11-18 10:35:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 691 transitions. [2018-11-18 10:35:15,721 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 691 transitions. Word has length 58 [2018-11-18 10:35:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:15,721 INFO L480 AbstractCegarLoop]: Abstraction has 561 states and 691 transitions. [2018-11-18 10:35:15,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:35:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 691 transitions. [2018-11-18 10:35:15,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:35:15,724 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:15,724 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:35:15,725 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:15,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:15,725 INFO L82 PathProgramCache]: Analyzing trace with hash -2078477814, now seen corresponding path program 1 times [2018-11-18 10:35:15,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:15,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:15,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:15,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:15,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:15,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:15,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:35:15,812 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:15,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:35:15,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:35:15,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:35:15,813 INFO L87 Difference]: Start difference. First operand 561 states and 691 transitions. Second operand 4 states. [2018-11-18 10:35:16,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:16,011 INFO L93 Difference]: Finished difference Result 954 states and 1210 transitions. [2018-11-18 10:35:16,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:35:16,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 10:35:16,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:16,017 INFO L225 Difference]: With dead ends: 954 [2018-11-18 10:35:16,017 INFO L226 Difference]: Without dead ends: 417 [2018-11-18 10:35:16,020 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:35:16,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-11-18 10:35:16,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 405. [2018-11-18 10:35:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-11-18 10:35:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 467 transitions. [2018-11-18 10:35:16,050 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 467 transitions. Word has length 62 [2018-11-18 10:35:16,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:16,051 INFO L480 AbstractCegarLoop]: Abstraction has 405 states and 467 transitions. [2018-11-18 10:35:16,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:35:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 467 transitions. [2018-11-18 10:35:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:35:16,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:16,054 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:35:16,054 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:16,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:16,055 INFO L82 PathProgramCache]: Analyzing trace with hash -349599386, now seen corresponding path program 1 times [2018-11-18 10:35:16,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:16,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:16,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:16,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:16,056 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:35:16,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:35:16,189 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:35:16,190 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 92 with the following transitions: [2018-11-18 10:35:16,191 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [48], [77], [81], [87], [91], [95], [98], [103], [109], [111], [117], [120], [123], [131], [132], [133], [134], [147], [154], [157], [194], [202], [206], [207], [210], [211], [212], [213], [214], [216], [217], [218], [219], [220], [221], [222], [223], [224], [228], [240], [241], [246], [247], [248], [249], [256], [257], [262], [263], [264] [2018-11-18 10:35:16,217 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:35:16,218 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:35:16,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:35:16,633 INFO L272 AbstractInterpreter]: Visited 66 different actions 78 times. Merged at 7 different actions 7 times. Never widened. Performed 3020 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3020 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 10:35:16,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:16,646 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:35:16,949 INFO L227 lantSequenceWeakener]: Weakened 87 states. On average, predicates are now at 97.84% of their original sizes. [2018-11-18 10:35:16,949 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:35:17,087 INFO L415 sIntCurrentIteration]: We unified 90 AI predicates to 90 [2018-11-18 10:35:17,087 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:35:17,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:35:17,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 25 [2018-11-18 10:35:17,088 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:17,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 10:35:17,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 10:35:17,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:35:17,089 INFO L87 Difference]: Start difference. First operand 405 states and 467 transitions. Second operand 20 states. [2018-11-18 10:35:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:20,174 INFO L93 Difference]: Finished difference Result 558 states and 655 transitions. [2018-11-18 10:35:20,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:35:20,174 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 91 [2018-11-18 10:35:20,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:20,175 INFO L225 Difference]: With dead ends: 558 [2018-11-18 10:35:20,175 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:35:20,176 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2018-11-18 10:35:20,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:35:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:35:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:35:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:35:20,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-11-18 10:35:20,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:20,178 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:35:20,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 10:35:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:35:20,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:35:20,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:35:20,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:35:20,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:35:20,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:35:21,407 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2018-11-18 10:35:21,407 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2018-11-18 10:35:21,407 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2018-11-18 10:35:21,407 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2018-11-18 10:35:21,407 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2018-11-18 10:35:21,408 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:35:21,408 INFO L425 ceAbstractionStarter]: For program point L641-1(line 641) no Hoare annotation was computed. [2018-11-18 10:35:21,408 INFO L425 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2018-11-18 10:35:21,408 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2018-11-18 10:35:21,408 INFO L425 ceAbstractionStarter]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2018-11-18 10:35:21,408 INFO L428 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2018-11-18 10:35:21,408 INFO L425 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2018-11-18 10:35:21,408 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2018-11-18 10:35:21,408 INFO L421 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:35:21,408 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-18 10:35:21,408 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,409 INFO L421 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,409 INFO L421 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,409 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2018-11-18 10:35:21,409 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2018-11-18 10:35:21,409 INFO L425 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2018-11-18 10:35:21,409 INFO L425 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2018-11-18 10:35:21,409 INFO L421 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,409 INFO L421 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,409 INFO L421 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,409 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2018-11-18 10:35:21,410 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2018-11-18 10:35:21,410 INFO L421 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 10:35:21,410 INFO L425 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-11-18 10:35:21,410 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse3) (or .cse1 .cse5 .cse3) (or (or .cse1 .cse2) .cse0 .cse4))) [2018-11-18 10:35:21,410 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2018-11-18 10:35:21,410 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2018-11-18 10:35:21,410 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2018-11-18 10:35:21,410 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2018-11-18 10:35:21,410 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2018-11-18 10:35:21,410 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2018-11-18 10:35:21,411 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2018-11-18 10:35:21,411 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2018-11-18 10:35:21,411 INFO L428 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-18 10:35:21,411 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2018-11-18 10:35:21,411 INFO L425 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2018-11-18 10:35:21,412 INFO L421 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:35:21,412 INFO L425 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2018-11-18 10:35:21,412 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2018-11-18 10:35:21,412 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2018-11-18 10:35:21,412 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:35:21,412 INFO L421 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:35:21,412 INFO L425 ceAbstractionStarter]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2018-11-18 10:35:21,412 INFO L421 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:35:21,412 INFO L421 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:35:21,412 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2018-11-18 10:35:21,412 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2018-11-18 10:35:21,413 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2018-11-18 10:35:21,413 INFO L421 ceAbstractionStarter]: At program point L865-1(lines 857 872) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:35:21,413 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,413 INFO L425 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2018-11-18 10:35:21,413 INFO L421 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse1 .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:35:21,413 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2018-11-18 10:35:21,413 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2018-11-18 10:35:21,413 INFO L421 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:35:21,414 INFO L425 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-11-18 10:35:21,414 INFO L425 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2018-11-18 10:35:21,414 INFO L421 ceAbstractionStarter]: At program point L874(lines 827 876) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:35:21,414 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,414 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2018-11-18 10:35:21,414 INFO L425 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2018-11-18 10:35:21,414 INFO L425 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2018-11-18 10:35:21,414 INFO L425 ceAbstractionStarter]: For program point L827-1(lines 827 876) no Hoare annotation was computed. [2018-11-18 10:35:21,414 INFO L421 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:35:21,415 INFO L421 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:35:21,415 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2018-11-18 10:35:21,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:35:21,415 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 10:35:21,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:35:21,415 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-18 10:35:21,415 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-18 10:35:21,415 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-18 10:35:21,415 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-18 10:35:21,415 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-18 10:35:21,415 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-18 10:35:21,416 INFO L421 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 10:35:21,416 INFO L425 ceAbstractionStarter]: For program point L668(lines 667 686) no Hoare annotation was computed. [2018-11-18 10:35:21,416 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 10:35:21,416 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2018-11-18 10:35:21,416 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2018-11-18 10:35:21,416 INFO L421 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 10:35:21,416 INFO L421 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 10:35:21,416 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2018-11-18 10:35:21,416 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-11-18 10:35:21,416 INFO L428 ceAbstractionStarter]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2018-11-18 10:35:21,417 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 176 190) no Hoare annotation was computed. [2018-11-18 10:35:21,417 INFO L428 ceAbstractionStarter]: At program point L176-3(lines 176 190) the Hoare annotation is: true [2018-11-18 10:35:21,417 INFO L428 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2018-11-18 10:35:21,417 INFO L425 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-18 10:35:21,417 INFO L428 ceAbstractionStarter]: At program point L191(lines 166 195) the Hoare annotation is: true [2018-11-18 10:35:21,417 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2018-11-18 10:35:21,417 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 10:35:21,417 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 10:35:21,417 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-18 10:35:21,417 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-18 10:35:21,417 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-18 10:35:21,417 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-18 10:35:21,417 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 10:35:21,418 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~waterLevel~0 2)))) (and (or (or .cse0 .cse1) .cse2 (not (= ~waterLevel~0 1))) (or .cse0 (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0) .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-18 10:35:21,418 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-18 10:35:21,419 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 10:35:21,419 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2018-11-18 10:35:21,419 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2018-11-18 10:35:21,419 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2018-11-18 10:35:21,419 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2018-11-18 10:35:21,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:35:21 BoogieIcfgContainer [2018-11-18 10:35:21,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:35:21,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:35:21,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:35:21,434 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:35:21,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:14" (3/4) ... [2018-11-18 10:35:21,438 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:35:21,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:35:21,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:35:21,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:35:21,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:35:21,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 10:35:21,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:35:21,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:35:21,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:35:21,445 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:35:21,445 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:35:21,445 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 10:35:21,445 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:35:21,445 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:35:21,453 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 10:35:21,454 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:35:21,454 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:35:21,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 10:35:21,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 10:35:21,505 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_308e4ec7-05fc-45f0-b6b6-82f66558646f/bin-2019/utaipan/witness.graphml [2018-11-18 10:35:21,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:35:21,506 INFO L168 Benchmark]: Toolchain (without parser) took 8298.11 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 516.4 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -353.3 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:21,507 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:35:21,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:21,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:21,507 INFO L168 Benchmark]: Boogie Preprocessor took 24.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:21,508 INFO L168 Benchmark]: RCFGBuilder took 481.79 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:21,508 INFO L168 Benchmark]: TraceAbstraction took 7290.76 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 370.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -235.0 MB). Peak memory consumption was 481.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:21,508 INFO L168 Benchmark]: Witness Printer took 71.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:35:21,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 481.79 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7290.76 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 370.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -235.0 MB). Peak memory consumption was 481.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. 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: 826]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 797 SDtfs, 893 SDslu, 2675 SDs, 0 SdLazy, 1118 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=561occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9966359030830112 AbsIntWeakeningRatio, 1.0555555555555556 AbsIntAvgWeakeningVarsNumRemoved, 84.77777777777777 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 609 PreInvPairs, 661 NumberOfFragments, 899 HoareAnnotationTreeSize, 609 FomulaSimplifications, 2349 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4056 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 45781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 22/25 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...