./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product14_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_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/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 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:54:15,580 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:54:15,581 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:54:15,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:54:15,589 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:54:15,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:54:15,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:54:15,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:54:15,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:54:15,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:54:15,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:54:15,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:54:15,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:54:15,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:54:15,593 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:54:15,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:54:15,594 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:54:15,595 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:54:15,596 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:54:15,597 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:54:15,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:54:15,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:54:15,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:54:15,600 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:54:15,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:54:15,600 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:54:15,601 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:54:15,601 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:54:15,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:54:15,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:54:15,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:54:15,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:54:15,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:54:15,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:54:15,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:54:15,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:54:15,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:54:15,613 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:54:15,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:54:15,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:54:15,614 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:54:15,614 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:54:15,614 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:54:15,614 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:54:15,615 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:54:15,615 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:54:15,615 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:54:15,615 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:54:15,615 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:54:15,615 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:54:15,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:54:15,616 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:54:15,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:54:15,616 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:54:15,617 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:54:15,617 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:54:15,617 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:54:15,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:54:15,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:54:15,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:54:15,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:54:15,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:54:15,618 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:54:15,618 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:54:15,618 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:54:15,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:54:15,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:54:15,619 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:54:15,619 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:54:15,619 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:54:15,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:54:15,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:54:15,619 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:54:15,619 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_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/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 -> 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 [2018-12-02 13:54:15,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:54:15,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:54:15,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:54:15,657 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:54:15,657 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:54:15,658 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product14_true-unreach-call_false-termination.cil.c [2018-12-02 13:54:15,698 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/data/cf9534d67/662b3e1b0278405984681b073dbac6db/FLAGa5a9960e3 [2018-12-02 13:54:16,104 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:54:16,104 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/sv-benchmarks/c/product-lines/minepump_spec5_product14_true-unreach-call_false-termination.cil.c [2018-12-02 13:54:16,110 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/data/cf9534d67/662b3e1b0278405984681b073dbac6db/FLAGa5a9960e3 [2018-12-02 13:54:16,446 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/data/cf9534d67/662b3e1b0278405984681b073dbac6db [2018-12-02 13:54:16,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:54:16,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:54:16,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:54:16,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:54:16,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:54:16,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6952e9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16, skipping insertion in model container [2018-12-02 13:54:16,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:54:16,487 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:54:16,633 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:54:16,641 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:54:16,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:54:16,706 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:54:16,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16 WrapperNode [2018-12-02 13:54:16,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:54:16,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:54:16,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:54:16,707 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:54:16,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:54:16,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:54:16,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:54:16,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:54:16,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... [2018-12-02 13:54:16,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:54:16,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:54:16,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:54:16,783 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:54:16,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/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 13:54:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 13:54:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 13:54:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:54:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:54:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:54:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 13:54:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 13:54:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 13:54:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 13:54:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 13:54:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 13:54:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 13:54:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 13:54:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 13:54:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 13:54:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 13:54:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 13:54:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 13:54:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 13:54:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 13:54:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 13:54:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 13:54:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 13:54:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 13:54:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 13:54:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 13:54:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 13:54:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 13:54:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 13:54:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 13:54:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 13:54:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 13:54:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 13:54:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 13:54:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 13:54:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 13:54:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 13:54:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 13:54:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:54:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:54:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:54:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 13:54:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 13:54:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 13:54:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 13:54:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:54:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:54:17,082 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:54:17,082 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 13:54:17,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:17 BoogieIcfgContainer [2018-12-02 13:54:17,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:54:17,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:54:17,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:54:17,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:54:17,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:54:16" (1/3) ... [2018-12-02 13:54:17,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54344812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:17, skipping insertion in model container [2018-12-02 13:54:17,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:16" (2/3) ... [2018-12-02 13:54:17,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54344812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:17, skipping insertion in model container [2018-12-02 13:54:17,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:17" (3/3) ... [2018-12-02 13:54:17,088 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14_true-unreach-call_false-termination.cil.c [2018-12-02 13:54:17,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:54:17,098 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:54:17,106 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:54:17,124 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:54:17,124 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:54:17,124 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:54:17,124 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:54:17,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:54:17,124 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:54:17,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:54:17,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:54:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-12-02 13:54:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 13:54:17,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:54:17,144 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:54:17,146 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:54:17,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:54:17,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1142601733, now seen corresponding path program 1 times [2018-12-02 13:54:17,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:54:17,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:54:17,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:54:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:54:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:54:17,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:54:17,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 13:54:17,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:54:17,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 13:54:17,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 13:54:17,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:54:17,320 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-12-02 13:54:17,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:54:17,341 INFO L93 Difference]: Finished difference Result 228 states and 281 transitions. [2018-12-02 13:54:17,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:54:17,342 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 13:54:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:54:17,349 INFO L225 Difference]: With dead ends: 228 [2018-12-02 13:54:17,349 INFO L226 Difference]: Without dead ends: 116 [2018-12-02 13:54:17,351 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 13:54:17,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-02 13:54:17,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-12-02 13:54:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-02 13:54:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2018-12-02 13:54:17,381 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2018-12-02 13:54:17,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:54:17,381 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2018-12-02 13:54:17,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 13:54:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2018-12-02 13:54:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 13:54:17,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:54:17,383 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:54:17,383 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:54:17,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:54:17,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1160259193, now seen corresponding path program 1 times [2018-12-02 13:54:17,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:54:17,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:54:17,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,384 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:54:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:54:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:54:17,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:54:17,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:54:17,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:54:17,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:54:17,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:54:17,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:54:17,445 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 3 states. [2018-12-02 13:54:17,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:54:17,456 INFO L93 Difference]: Finished difference Result 173 states and 199 transitions. [2018-12-02 13:54:17,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:54:17,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 13:54:17,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:54:17,458 INFO L225 Difference]: With dead ends: 173 [2018-12-02 13:54:17,459 INFO L226 Difference]: Without dead ends: 107 [2018-12-02 13:54:17,460 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 13:54:17,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-02 13:54:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-02 13:54:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-02 13:54:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2018-12-02 13:54:17,470 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 60 [2018-12-02 13:54:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:54:17,471 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2018-12-02 13:54:17,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:54:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2018-12-02 13:54:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 13:54:17,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:54:17,472 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:54:17,472 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:54:17,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:54:17,473 INFO L82 PathProgramCache]: Analyzing trace with hash -322674706, now seen corresponding path program 1 times [2018-12-02 13:54:17,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:54:17,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:54:17,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,474 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:54:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:54:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:54:17,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:54:17,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:54:17,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:54:17,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:54:17,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:54:17,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:54:17,566 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 7 states. [2018-12-02 13:54:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:54:17,718 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2018-12-02 13:54:17,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:54:17,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-02 13:54:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:54:17,719 INFO L225 Difference]: With dead ends: 186 [2018-12-02 13:54:17,719 INFO L226 Difference]: Without dead ends: 107 [2018-12-02 13:54:17,720 INFO L631 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 [2018-12-02 13:54:17,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-02 13:54:17,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-02 13:54:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-02 13:54:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2018-12-02 13:54:17,726 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 65 [2018-12-02 13:54:17,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:54:17,727 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2018-12-02 13:54:17,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:54:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2018-12-02 13:54:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 13:54:17,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:54:17,729 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:54:17,729 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:54:17,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:54:17,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1468845435, now seen corresponding path program 1 times [2018-12-02 13:54:17,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:54:17,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:54:17,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:54:17,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:54:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:54:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:54:17,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:54:17,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:54:17,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:54:17,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:54:17,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:54:17,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:54:17,803 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 7 states. [2018-12-02 13:54:18,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:54:18,001 INFO L93 Difference]: Finished difference Result 164 states and 192 transitions. [2018-12-02 13:54:18,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 13:54:18,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-12-02 13:54:18,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:54:18,002 INFO L225 Difference]: With dead ends: 164 [2018-12-02 13:54:18,002 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 13:54:18,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-02 13:54:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 13:54:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 13:54:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 13:54:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:54:18,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-12-02 13:54:18,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:54:18,004 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:54:18,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:54:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:54:18,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:54:18,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 13:54:18,311 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 895 901) the Hoare annotation is: true [2018-12-02 13:54:18,311 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 895 901) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 902 910) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 902 910) the Hoare annotation is: true [2018-12-02 13:54:18,312 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 902 910) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-12-02 13:54:18,312 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2018-12-02 13:54:18,312 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-12-02 13:54:18,312 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-12-02 13:54:18,313 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,313 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-12-02 13:54:18,313 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-02 13:54:18,313 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-12-02 13:54:18,313 INFO L451 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2018-12-02 13:54:18,313 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-12-02 13:54:18,313 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-12-02 13:54:18,313 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-12-02 13:54:18,314 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-12-02 13:54:18,314 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-12-02 13:54:18,314 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,314 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-12-02 13:54:18,314 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2018-12-02 13:54:18,314 INFO L444 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-12-02 13:54:18,315 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2018-12-02 13:54:18,315 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2018-12-02 13:54:18,315 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 13:54:18,315 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,315 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,315 INFO L444 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,315 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2018-12-02 13:54:18,315 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 599 605) no Hoare annotation was computed. [2018-12-02 13:54:18,316 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 599 605) the Hoare annotation is: true [2018-12-02 13:54:18,316 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 676 684) no Hoare annotation was computed. [2018-12-02 13:54:18,316 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 676 684) the Hoare annotation is: true [2018-12-02 13:54:18,316 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 676 684) no Hoare annotation was computed. [2018-12-02 13:54:18,316 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 888 894) no Hoare annotation was computed. [2018-12-02 13:54:18,316 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 888 894) the Hoare annotation is: true [2018-12-02 13:54:18,316 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,316 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2018-12-02 13:54:18,317 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2018-12-02 13:54:18,317 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,317 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 665 675) the Hoare annotation is: true [2018-12-02 13:54:18,317 INFO L451 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: true [2018-12-02 13:54:18,317 INFO L448 ceAbstractionStarter]: For program point L670-1(line 670) no Hoare annotation was computed. [2018-12-02 13:54:18,317 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 665 675) no Hoare annotation was computed. [2018-12-02 13:54:18,317 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 665 675) no Hoare annotation was computed. [2018-12-02 13:54:18,317 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 657 664) the Hoare annotation is: true [2018-12-02 13:54:18,318 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 657 664) no Hoare annotation was computed. [2018-12-02 13:54:18,318 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 657 664) no Hoare annotation was computed. [2018-12-02 13:54:18,318 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 607 631) no Hoare annotation was computed. [2018-12-02 13:54:18,318 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 607 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,318 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,318 INFO L448 ceAbstractionStarter]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2018-12-02 13:54:18,318 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,318 INFO L444 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,318 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2018-12-02 13:54:18,318 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,318 INFO L448 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2018-12-02 13:54:18,319 INFO L448 ceAbstractionStarter]: For program point L611(lines 611 628) no Hoare annotation was computed. [2018-12-02 13:54:18,319 INFO L444 ceAbstractionStarter]: At program point L865(lines 820 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,319 INFO L444 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,319 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 810 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,319 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 836) no Hoare annotation was computed. [2018-12-02 13:54:18,319 INFO L448 ceAbstractionStarter]: For program point L830-1(lines 830 836) no Hoare annotation was computed. [2018-12-02 13:54:18,319 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 810 875) no Hoare annotation was computed. [2018-12-02 13:54:18,319 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 826) no Hoare annotation was computed. [2018-12-02 13:54:18,319 INFO L444 ceAbstractionStarter]: At program point L868(lines 819 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,319 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L444 ceAbstractionStarter]: At program point L858-2(lines 850 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point L821(lines 820 867) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 863) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 810 875) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 800 808) the Hoare annotation is: true [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 800 808) no Hoare annotation was computed. [2018-12-02 13:54:18,320 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 800 808) no Hoare annotation was computed. [2018-12-02 13:54:18,321 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 756 767) the Hoare annotation is: true [2018-12-02 13:54:18,321 INFO L448 ceAbstractionStarter]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2018-12-02 13:54:18,321 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 756 767) no Hoare annotation was computed. [2018-12-02 13:54:18,321 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 768 776) the Hoare annotation is: true [2018-12-02 13:54:18,321 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 768 776) no Hoare annotation was computed. [2018-12-02 13:54:18,321 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 768 776) no Hoare annotation was computed. [2018-12-02 13:54:18,321 INFO L448 ceAbstractionStarter]: For program point L577(lines 575 597) no Hoare annotation was computed. [2018-12-02 13:54:18,321 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 572 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,321 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,321 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 572 598) no Hoare annotation was computed. [2018-12-02 13:54:18,321 INFO L444 ceAbstractionStarter]: At program point L586(lines 586 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,322 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 572 598) no Hoare annotation was computed. [2018-12-02 13:54:18,322 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:54:18,322 INFO L448 ceAbstractionStarter]: For program point L579(lines 575 597) no Hoare annotation was computed. [2018-12-02 13:54:18,322 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2018-12-02 13:54:18,322 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2018-12-02 13:54:18,322 INFO L451 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2018-12-02 13:54:18,322 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 13:54:18,322 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2018-12-02 13:54:18,322 INFO L451 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2018-12-02 13:54:18,322 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-02 13:54:18,322 INFO L451 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2018-12-02 13:54:18,323 INFO L451 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2018-12-02 13:54:18,323 INFO L448 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-12-02 13:54:18,323 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2018-12-02 13:54:18,323 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 732 743) the Hoare annotation is: true [2018-12-02 13:54:18,323 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 732 743) no Hoare annotation was computed. [2018-12-02 13:54:18,323 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2018-12-02 13:54:18,323 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2018-12-02 13:54:18,323 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:54:18,323 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-02 13:54:18,323 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:54:18,323 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:54:18,323 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 721 728) no Hoare annotation was computed. [2018-12-02 13:54:18,323 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 721 728) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:54:18,324 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 721 728) no Hoare annotation was computed. [2018-12-02 13:54:18,324 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 744 755) no Hoare annotation was computed. [2018-12-02 13:54:18,324 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 744 755) no Hoare annotation was computed. [2018-12-02 13:54:18,324 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 744 755) the Hoare annotation is: true [2018-12-02 13:54:18,324 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2018-12-02 13:54:18,324 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2018-12-02 13:54:18,324 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2018-12-02 13:54:18,324 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2018-12-02 13:54:18,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:54:18 BoogieIcfgContainer [2018-12-02 13:54:18,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:54:18,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:54:18,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:54:18,334 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:54:18,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:17" (3/4) ... [2018-12-02 13:54:18,336 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 13:54:18,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 13:54:18,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 13:54:18,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 13:54:18,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 13:54:18,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 13:54:18,349 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 13:54:18,349 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 13:54:18,349 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 13:54:18,350 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 13:54:18,350 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 13:54:18,350 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 13:54:18,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-12-02 13:54:18,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-02 13:54:18,403 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_62f9eb3b-2a93-45f9-8a45-ba2850a35a95/bin-2019/utaipan/witness.graphml [2018-12-02 13:54:18,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:54:18,404 INFO L168 Benchmark]: Toolchain (without parser) took 1951.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 951.3 MB in the beginning and 906.1 MB in the end (delta: 45.2 MB). Peak memory consumption was 281.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:54:18,405 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:54:18,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -73.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:54:18,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.59 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:54:18,405 INFO L168 Benchmark]: Boogie Preprocessor took 21.15 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:54:18,405 INFO L168 Benchmark]: RCFGBuilder took 299.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:54:18,406 INFO L168 Benchmark]: TraceAbstraction took 1249.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 916.2 MB in the end (delta: 254.3 MB). Peak memory consumption was 254.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:54:18,406 INFO L168 Benchmark]: Witness Printer took 70.02 ms. Allocated memory is still 1.3 GB. Free memory was 916.2 MB in the beginning and 906.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:54:18,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -73.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.59 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.15 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 299.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1249.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 916.2 MB in the end (delta: 254.3 MB). Peak memory consumption was 254.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.02 ms. Allocated memory is still 1.3 GB. Free memory was 916.2 MB in the beginning and 906.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 819]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 129 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 455 SDtfs, 206 SDslu, 471 SDs, 0 SdLazy, 296 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 27417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...