./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/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 b261f373c94d4201e773fd055c7f1efffffc1032 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:07:56,815 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:07:56,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:07:56,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:07:56,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:07:56,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:07:56,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:07:56,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:07:56,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:07:56,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:07:56,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:07:56,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:07:56,827 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:07:56,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:07:56,828 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:07:56,829 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:07:56,829 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:07:56,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:07:56,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:07:56,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:07:56,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:07:56,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:07:56,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:07:56,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:07:56,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:07:56,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:07:56,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:07:56,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:07:56,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:07:56,837 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:07:56,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:07:56,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:07:56,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:07:56,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:07:56,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:07:56,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:07:56,838 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 15:07:56,846 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:07:56,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:07:56,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:07:56,847 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 15:07:56,847 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 15:07:56,847 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 15:07:56,847 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 15:07:56,847 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 15:07:56,847 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 15:07:56,847 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 15:07:56,847 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 15:07:56,848 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 15:07:56,848 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 15:07:56,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:07:56,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:07:56,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:07:56,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:07:56,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:07:56,848 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:07:56,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 15:07:56,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 15:07:56,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:07:56,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:07:56,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:07:56,850 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 15:07:56,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:07:56,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:07:56,850 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 15:07:56,850 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_ee97a999-7c56-4933-9328-ae01f8dc684b/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2018-12-02 15:07:56,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:07:56,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:07:56,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:07:56,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:07:56,877 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:07:56,878 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-12-02 15:07:56,913 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/data/b5c112a63/58580f498f214d2ba3f635baf07db8e0/FLAGa548df5e7 [2018-12-02 15:07:57,216 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:07:57,217 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-12-02 15:07:57,222 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/data/b5c112a63/58580f498f214d2ba3f635baf07db8e0/FLAGa548df5e7 [2018-12-02 15:07:57,230 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/data/b5c112a63/58580f498f214d2ba3f635baf07db8e0 [2018-12-02 15:07:57,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:07:57,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:07:57,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:07:57,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:07:57,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:07:57,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57, skipping insertion in model container [2018-12-02 15:07:57,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:07:57,262 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:07:57,404 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:07:57,449 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:07:57,501 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:07:57,515 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:07:57,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57 WrapperNode [2018-12-02 15:07:57,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:07:57,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:07:57,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:07:57,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:07:57,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:07:57,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:07:57,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:07:57,535 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:07:57,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... [2018-12-02 15:07:57,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:07:57,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:07:57,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:07:57,555 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:07:57,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/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 [2018-12-02 15:07:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 15:07:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 15:07:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-02 15:07:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-02 15:07:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 15:07:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 15:07:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 15:07:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 15:07:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 15:07:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 15:07:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 15:07:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 15:07:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 15:07:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 15:07:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 15:07:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 15:07:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 15:07:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 15:07:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 15:07:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 15:07:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 15:07:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 15:07:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 15:07:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 15:07:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 15:07:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 15:07:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 15:07:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:07:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:07:57,845 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:07:57,845 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 15:07:57,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:57 BoogieIcfgContainer [2018-12-02 15:07:57,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:07:57,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 15:07:57,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 15:07:57,849 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 15:07:57,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:07:57" (1/3) ... [2018-12-02 15:07:57,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8f3229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:07:57, skipping insertion in model container [2018-12-02 15:07:57,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:57" (2/3) ... [2018-12-02 15:07:57,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8f3229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:07:57, skipping insertion in model container [2018-12-02 15:07:57,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:57" (3/3) ... [2018-12-02 15:07:57,852 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-12-02 15:07:57,860 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 15:07:57,865 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 15:07:57,874 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 15:07:57,891 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 15:07:57,891 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 15:07:57,892 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 15:07:57,892 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 15:07:57,892 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 15:07:57,892 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 15:07:57,892 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 15:07:57,892 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 15:07:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-12-02 15:07:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 15:07:57,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:07:57,912 INFO L402 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] [2018-12-02 15:07:57,914 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:07:57,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:07:57,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1470272802, now seen corresponding path program 1 times [2018-12-02 15:07:57,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:07:57,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:57,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:07:57,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:57,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:07:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:07:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:07:58,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:07:58,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 15:07:58,063 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:07:58,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 15:07:58,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 15:07:58,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 15:07:58,075 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-12-02 15:07:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:07:58,095 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2018-12-02 15:07:58,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 15:07:58,096 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 15:07:58,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:07:58,103 INFO L225 Difference]: With dead ends: 212 [2018-12-02 15:07:58,103 INFO L226 Difference]: Without dead ends: 106 [2018-12-02 15:07:58,105 INFO L631 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 [2018-12-02 15:07:58,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-12-02 15:07:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-12-02 15:07:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-02 15:07:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-12-02 15:07:58,133 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2018-12-02 15:07:58,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:07:58,133 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-12-02 15:07:58,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 15:07:58,133 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-12-02 15:07:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 15:07:58,134 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:07:58,135 INFO L402 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] [2018-12-02 15:07:58,135 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:07:58,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:07:58,135 INFO L82 PathProgramCache]: Analyzing trace with hash -444386040, now seen corresponding path program 1 times [2018-12-02 15:07:58,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:07:58,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:07:58,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,136 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:07:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:07:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:07:58,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:07:58,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 15:07:58,188 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:07:58,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:07:58,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:07:58,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:07:58,189 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2018-12-02 15:07:58,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:07:58,200 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2018-12-02 15:07:58,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:07:58,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 15:07:58,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:07:58,201 INFO L225 Difference]: With dead ends: 157 [2018-12-02 15:07:58,201 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 15:07:58,202 INFO L631 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 [2018-12-02 15:07:58,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 15:07:58,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-02 15:07:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-02 15:07:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2018-12-02 15:07:58,209 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2018-12-02 15:07:58,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:07:58,209 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2018-12-02 15:07:58,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:07:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2018-12-02 15:07:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 15:07:58,210 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:07:58,210 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:07:58,210 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:07:58,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:07:58,210 INFO L82 PathProgramCache]: Analyzing trace with hash -780536263, now seen corresponding path program 1 times [2018-12-02 15:07:58,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:07:58,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:07:58,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:07:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:07:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:07:58,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:07:58,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 15:07:58,266 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:07:58,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:07:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:07:58,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:07:58,267 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 3 states. [2018-12-02 15:07:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:07:58,278 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2018-12-02 15:07:58,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:07:58,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 15:07:58,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:07:58,279 INFO L225 Difference]: With dead ends: 170 [2018-12-02 15:07:58,279 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 15:07:58,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:07:58,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 15:07:58,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-02 15:07:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-02 15:07:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2018-12-02 15:07:58,286 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2018-12-02 15:07:58,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:07:58,286 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2018-12-02 15:07:58,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:07:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2018-12-02 15:07:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 15:07:58,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:07:58,287 INFO L402 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] [2018-12-02 15:07:58,287 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:07:58,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:07:58,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1024878044, now seen corresponding path program 1 times [2018-12-02 15:07:58,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:07:58,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:07:58,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:07:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:07:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:07:58,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:07:58,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 15:07:58,392 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:07:58,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 15:07:58,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 15:07:58,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 15:07:58,392 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2018-12-02 15:07:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:07:58,701 INFO L93 Difference]: Finished difference Result 296 states and 357 transitions. [2018-12-02 15:07:58,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 15:07:58,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-12-02 15:07:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:07:58,704 INFO L225 Difference]: With dead ends: 296 [2018-12-02 15:07:58,704 INFO L226 Difference]: Without dead ends: 223 [2018-12-02 15:07:58,705 INFO L631 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 [2018-12-02 15:07:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-12-02 15:07:58,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2018-12-02 15:07:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-12-02 15:07:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2018-12-02 15:07:58,729 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2018-12-02 15:07:58,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:07:58,729 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2018-12-02 15:07:58,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 15:07:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2018-12-02 15:07:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 15:07:58,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:07:58,732 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:07:58,732 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:07:58,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:07:58,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1944926198, now seen corresponding path program 1 times [2018-12-02 15:07:58,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:07:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:07:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:07:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:07:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:07:58,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:07:58,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 15:07:58,793 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:07:58,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:07:58,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:07:58,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:07:58,795 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2018-12-02 15:07:58,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:07:58,808 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-12-02 15:07:58,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:07:58,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-02 15:07:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:07:58,810 INFO L225 Difference]: With dead ends: 356 [2018-12-02 15:07:58,810 INFO L226 Difference]: Without dead ends: 161 [2018-12-02 15:07:58,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:07:58,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-12-02 15:07:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-12-02 15:07:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-12-02 15:07:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2018-12-02 15:07:58,824 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 64 [2018-12-02 15:07:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:07:58,824 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2018-12-02 15:07:58,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:07:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2018-12-02 15:07:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 15:07:58,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:07:58,826 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:07:58,827 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:07:58,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:07:58,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1619105206, now seen corresponding path program 1 times [2018-12-02 15:07:58,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:07:58,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:07:58,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:07:58,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:07:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:07:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 15:07:58,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:07:58,953 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:07:58,954 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-12-02 15:07:58,955 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [48], [63], [66], [67], [68], [77], [81], [85], [88], [93], [99], [101], [107], [112], [120], [121], [122], [123], [138], [142], [148], [182], [190], [194], [195], [198], [199], [200], [201], [202], [204], [205], [206], [207], [208], [209], [210], [211], [212], [214], [224], [225], [226], [227], [232], [233], [238], [239], [240], [241], [246], [247], [248] [2018-12-02 15:07:58,984 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:07:58,985 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:07:59,290 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 15:07:59,291 INFO L272 AbstractInterpreter]: Visited 67 different actions 75 times. Merged at 5 different actions 5 times. Never widened. Performed 2724 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2724 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-12-02 15:07:59,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:07:59,296 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 15:07:59,515 INFO L227 lantSequenceWeakener]: Weakened 96 states. On average, predicates are now at 97.54% of their original sizes. [2018-12-02 15:07:59,515 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 15:07:59,576 INFO L418 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2018-12-02 15:07:59,576 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 15:07:59,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:07:59,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [7] total 20 [2018-12-02 15:07:59,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:07:59,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 15:07:59,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 15:07:59,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-12-02 15:07:59,578 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 15 states. [2018-12-02 15:08:00,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:08:00,469 INFO L93 Difference]: Finished difference Result 205 states and 230 transitions. [2018-12-02 15:08:00,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 15:08:00,469 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 100 [2018-12-02 15:08:00,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:08:00,469 INFO L225 Difference]: With dead ends: 205 [2018-12-02 15:08:00,470 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 15:08:00,470 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-12-02 15:08:00,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 15:08:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 15:08:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 15:08:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 15:08:00,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-12-02 15:08:00,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:08:00,471 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 15:08:00,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 15:08:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 15:08:00,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:08:00,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 15:08:01,142 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2018-12-02 15:08:01,142 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2018-12-02 15:08:01,142 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2018-12-02 15:08:01,143 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 2))))) [2018-12-02 15:08:01,143 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-12-02 15:08:01,143 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2018-12-02 15:08:01,143 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 15:08:01,143 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 2))))) [2018-12-02 15:08:01,143 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 15:08:01,143 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-12-02 15:08:01,144 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 15:08:01,144 INFO L448 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-12-02 15:08:01,144 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-12-02 15:08:01,144 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2018-12-02 15:08:01,144 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2018-12-02 15:08:01,144 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-12-02 15:08:01,144 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-12-02 15:08:01,144 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2018-12-02 15:08:01,144 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2018-12-02 15:08:01,144 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2018-12-02 15:08:01,144 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2018-12-02 15:08:01,145 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,145 INFO L444 ceAbstractionStarter]: At program point L448-2(lines 440 453) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2018-12-02 15:08:01,145 INFO L448 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2018-12-02 15:08:01,145 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2018-12-02 15:08:01,145 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2018-12-02 15:08:01,145 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2018-12-02 15:08:01,145 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2018-12-02 15:08:01,145 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-12-02 15:08:01,146 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-12-02 15:08:01,146 INFO L444 ceAbstractionStarter]: At program point L455(lines 410 457) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2018-12-02 15:08:01,146 INFO L444 ceAbstractionStarter]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2018-12-02 15:08:01,146 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-12-02 15:08:01,146 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2018-12-02 15:08:01,146 INFO L448 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2018-12-02 15:08:01,146 INFO L444 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,146 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2018-12-02 15:08:01,146 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2018-12-02 15:08:01,146 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 15:08:01,146 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 15:08:01,147 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L451 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2018-12-02 15:08:01,147 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-02 15:08:01,147 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,147 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,147 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,148 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,148 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-02 15:08:01,148 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-02 15:08:01,148 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,148 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,148 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-02 15:08:01,148 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2018-12-02 15:08:01,148 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2018-12-02 15:08:01,148 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2018-12-02 15:08:01,148 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:08:01,148 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 15:08:01,148 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:08:01,149 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2018-12-02 15:08:01,149 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2018-12-02 15:08:01,149 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2018-12-02 15:08:01,149 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-12-02 15:08:01,149 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2018-12-02 15:08:01,149 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-12-02 15:08:01,149 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-12-02 15:08:01,149 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-12-02 15:08:01,149 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-12-02 15:08:01,149 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse2 (and (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-12-02 15:08:01,150 INFO L444 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse2 (and (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-12-02 15:08:01,150 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse2 (and (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-12-02 15:08:01,150 INFO L444 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 15:08:01,150 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-12-02 15:08:01,150 INFO L448 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-12-02 15:08:01,150 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-12-02 15:08:01,150 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 15:08:01,150 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 15:08:01,150 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 15:08:01,150 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 15:08:01,150 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 15:08:01,151 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 15:08:01,151 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 15:08:01,151 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 15:08:01,151 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 15:08:01,151 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 15:08:01,151 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-12-02 15:08:01,151 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-12-02 15:08:01,151 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-12-02 15:08:01,151 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2018-12-02 15:08:01,151 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2018-12-02 15:08:01,151 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 15:08:01,151 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 15:08:01,151 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:08:01,152 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 15:08:01,152 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 15:08:01,152 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:08:01,152 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2018-12-02 15:08:01,152 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 2))))) [2018-12-02 15:08:01,152 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2018-12-02 15:08:01,152 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-12-02 15:08:01,152 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-12-02 15:08:01,152 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 2) .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 15:08:01,152 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2018-12-02 15:08:01,152 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2018-12-02 15:08:01,153 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2018-12-02 15:08:01,153 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2018-12-02 15:08:01,153 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 15:08:01,153 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-02 15:08:01,153 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-02 15:08:01,153 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2018-12-02 15:08:01,153 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2018-12-02 15:08:01,153 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2018-12-02 15:08:01,153 INFO L451 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2018-12-02 15:08:01,153 INFO L448 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2018-12-02 15:08:01,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:08:01 BoogieIcfgContainer [2018-12-02 15:08:01,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 15:08:01,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:08:01,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:08:01,163 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:08:01,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:57" (3/4) ... [2018-12-02 15:08:01,166 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 15:08:01,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 15:08:01,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 15:08:01,175 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 15:08:01,176 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 15:08:01,176 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 15:08:01,176 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 15:08:01,176 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 15:08:01,177 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 15:08:01,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 2 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((waterLevel == 1 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) [2018-12-02 15:08:01,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 15:08:01,211 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee97a999-7c56-4933-9328-ae01f8dc684b/bin-2019/utaipan/witness.graphml [2018-12-02 15:08:01,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:08:01,212 INFO L168 Benchmark]: Toolchain (without parser) took 3979.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 947.0 MB in the beginning and 971.6 MB in the end (delta: -24.5 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. [2018-12-02 15:08:01,213 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:08:01,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:08:01,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:08:01,214 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:08:01,214 INFO L168 Benchmark]: RCFGBuilder took 290.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-02 15:08:01,214 INFO L168 Benchmark]: TraceAbstraction took 3316.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 76.5 MB). Peak memory consumption was 278.0 MB. Max. memory is 11.5 GB. [2018-12-02 15:08:01,214 INFO L168 Benchmark]: Witness Printer took 48.89 ms. Allocated memory is still 1.2 GB. Free memory was 977.1 MB in the beginning and 971.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-12-02 15:08:01,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 290.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3316.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 76.5 MB). Peak memory consumption was 278.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.89 ms. Allocated memory is still 1.2 GB. Free memory was 977.1 MB in the beginning and 971.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((waterLevel == 1 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 119 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 658 SDtfs, 470 SDslu, 1368 SDs, 0 SdLazy, 417 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 141 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9968574745577892 AbsIntWeakeningRatio, 0.9696969696969697 AbsIntAvgWeakeningVarsNumRemoved, 96.62626262626263 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 290 PreInvPairs, 305 NumberOfFragments, 848 HoareAnnotationTreeSize, 290 FomulaSimplifications, 162 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1008 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 49126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 28/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...