./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/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 a79e268ddb88b862b3e99a66782eee3a2de30d36 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:31:59,548 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:31:59,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:31:59,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:31:59,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:31:59,559 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:31:59,560 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:31:59,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:31:59,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:31:59,563 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:31:59,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:31:59,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:31:59,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:31:59,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:31:59,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:31:59,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:31:59,567 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:31:59,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:31:59,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:31:59,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:31:59,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:31:59,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:31:59,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:31:59,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:31:59,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:31:59,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:31:59,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:31:59,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:31:59,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:31:59,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:31:59,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:31:59,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:31:59,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:31:59,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:31:59,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:31:59,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:31:59,582 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:31:59,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:31:59,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:31:59,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:31:59,593 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:31:59,593 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:31:59,593 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:31:59,593 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:31:59,593 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:31:59,593 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:31:59,594 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:31:59,594 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:31:59,594 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:31:59,594 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:31:59,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:31:59,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:31:59,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:31:59,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:31:59,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:31:59,595 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:31:59,595 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:31:59,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:31:59,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:31:59,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:31:59,596 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:31:59,596 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:31:59,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:31:59,596 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:31:59,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:31:59,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:31:59,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:31:59,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:31:59,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:31:59,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:31:59,598 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:31:59,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:31:59,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:31:59,598 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:31:59,598 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_9fb5b76f-6780-450c-90cf-f8a3c581b629/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 -> a79e268ddb88b862b3e99a66782eee3a2de30d36 [2018-11-18 11:31:59,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:31:59,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:31:59,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:31:59,633 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:31:59,633 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:31:59,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-11-18 11:31:59,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/data/0aea47d6b/f86efc75cce8442bbd074a7d2048c543/FLAG44ec1cf69 [2018-11-18 11:32:00,042 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:32:00,042 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:00,050 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/data/0aea47d6b/f86efc75cce8442bbd074a7d2048c543/FLAG44ec1cf69 [2018-11-18 11:32:00,436 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/data/0aea47d6b/f86efc75cce8442bbd074a7d2048c543 [2018-11-18 11:32:00,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:32:00,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:32:00,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:00,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:32:00,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:32:00,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00, skipping insertion in model container [2018-11-18 11:32:00,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:32:00,481 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:32:00,668 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:00,676 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:32:00,732 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:00,809 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:32:00,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00 WrapperNode [2018-11-18 11:32:00,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:00,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:00,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:32:00,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:32:00,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:00,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:32:00,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:32:00,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:32:00,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... [2018-11-18 11:32:00,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:32:00,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:32:00,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:32:00,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:32:00,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:32:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:32:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:32:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:32:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:32:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 11:32:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 11:32:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:32:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:32:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:32:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:32:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:32:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:32:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:32:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:32:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:32:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:32:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:32:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:32:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:32:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:32:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:32:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:32:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:32:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:32:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:32:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:32:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:32:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:32:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:32:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:32:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:32:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:32:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:32:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:32:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:32:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:32:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:32:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:32:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:32:01,355 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:32:01,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:01 BoogieIcfgContainer [2018-11-18 11:32:01,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:32:01,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:32:01,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:32:01,359 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:32:01,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:32:00" (1/3) ... [2018-11-18 11:32:01,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151171d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:32:01, skipping insertion in model container [2018-11-18 11:32:01,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:00" (2/3) ... [2018-11-18 11:32:01,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151171d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:32:01, skipping insertion in model container [2018-11-18 11:32:01,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:01" (3/3) ... [2018-11-18 11:32:01,361 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:01,369 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:32:01,375 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:32:01,387 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:32:01,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:32:01,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:32:01,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:32:01,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:32:01,413 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:32:01,413 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:32:01,413 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:32:01,413 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:32:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-18 11:32:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:32:01,437 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:01,438 INFO L375 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] [2018-11-18 11:32:01,440 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:01,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:01,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1697162178, now seen corresponding path program 1 times [2018-11-18 11:32:01,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:01,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:01,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:01,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:01,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:32:01,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:01,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:32:01,654 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:01,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:32:01,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:32:01,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:32:01,668 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-11-18 11:32:01,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:01,696 INFO L93 Difference]: Finished difference Result 236 states and 293 transitions. [2018-11-18 11:32:01,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:32:01,697 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 11:32:01,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:01,705 INFO L225 Difference]: With dead ends: 236 [2018-11-18 11:32:01,705 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 11:32:01,707 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:32:01,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 11:32:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 11:32:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 11:32:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-18 11:32:01,741 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 59 [2018-11-18 11:32:01,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:01,742 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-18 11:32:01,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:32:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-18 11:32:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 11:32:01,745 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:01,745 INFO L375 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] [2018-11-18 11:32:01,745 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:01,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:01,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1148770373, now seen corresponding path program 1 times [2018-11-18 11:32:01,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:01,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:01,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:01,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:01,747 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:32:01,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:01,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:32:01,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:01,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:32:01,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:32:01,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:01,827 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 3 states. [2018-11-18 11:32:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:01,847 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2018-11-18 11:32:01,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:32:01,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 11:32:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:01,848 INFO L225 Difference]: With dead ends: 177 [2018-11-18 11:32:01,849 INFO L226 Difference]: Without dead ends: 110 [2018-11-18 11:32:01,849 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-18 11:32:01,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-18 11:32:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 11:32:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-11-18 11:32:01,858 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 61 [2018-11-18 11:32:01,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:01,859 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-11-18 11:32:01,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:32:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-11-18 11:32:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:32:01,860 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:01,860 INFO L375 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] [2018-11-18 11:32:01,861 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:01,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:01,861 INFO L82 PathProgramCache]: Analyzing trace with hash 707174030, now seen corresponding path program 1 times [2018-11-18 11:32:01,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:01,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:01,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:01,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:01,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:32:01,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:01,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:32:01,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:01,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:32:01,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:32:01,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:32:01,997 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2018-11-18 11:32:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:02,336 INFO L93 Difference]: Finished difference Result 331 states and 400 transitions. [2018-11-18 11:32:02,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:32:02,336 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 11:32:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:02,339 INFO L225 Difference]: With dead ends: 331 [2018-11-18 11:32:02,340 INFO L226 Difference]: Without dead ends: 249 [2018-11-18 11:32:02,341 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:32:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-11-18 11:32:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 241. [2018-11-18 11:32:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-18 11:32:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 291 transitions. [2018-11-18 11:32:02,367 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 291 transitions. Word has length 65 [2018-11-18 11:32:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:02,367 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 291 transitions. [2018-11-18 11:32:02,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:32:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 291 transitions. [2018-11-18 11:32:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:32:02,370 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:02,370 INFO L375 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] [2018-11-18 11:32:02,370 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:02,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:02,371 INFO L82 PathProgramCache]: Analyzing trace with hash -526186149, now seen corresponding path program 1 times [2018-11-18 11:32:02,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:02,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:02,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:02,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:02,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:32:02,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:02,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:32:02,470 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:02,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:32:02,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:32:02,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:32:02,471 INFO L87 Difference]: Start difference. First operand 241 states and 291 transitions. Second operand 7 states. [2018-11-18 11:32:02,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:02,744 INFO L93 Difference]: Finished difference Result 404 states and 505 transitions. [2018-11-18 11:32:02,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:32:02,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 11:32:02,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:02,745 INFO L225 Difference]: With dead ends: 404 [2018-11-18 11:32:02,745 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:32:02,747 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:32:02,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:32:02,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:32:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:32:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:32:02,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-11-18 11:32:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:02,748 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:32:02,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:32:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:32:02,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:32:02,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:32:03,215 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 774 780) the Hoare annotation is: true [2018-11-18 11:32:03,215 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 774 780) no Hoare annotation was computed. [2018-11-18 11:32:03,215 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 781 789) no Hoare annotation was computed. [2018-11-18 11:32:03,215 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 781 789) the Hoare annotation is: true [2018-11-18 11:32:03,215 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 781 789) no Hoare annotation was computed. [2018-11-18 11:32:03,216 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 882 889) the Hoare annotation is: true [2018-11-18 11:32:03,216 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 882 889) no Hoare annotation was computed. [2018-11-18 11:32:03,216 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 882 889) no Hoare annotation was computed. [2018-11-18 11:32:03,216 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 890 899) the Hoare annotation is: true [2018-11-18 11:32:03,216 INFO L425 ceAbstractionStarter]: For program point L895(line 895) no Hoare annotation was computed. [2018-11-18 11:32:03,216 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 890 899) no Hoare annotation was computed. [2018-11-18 11:32:03,216 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 890 899) no Hoare annotation was computed. [2018-11-18 11:32:03,216 INFO L421 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 11:32:03,216 INFO L425 ceAbstractionStarter]: For program point L913(lines 913 919) no Hoare annotation was computed. [2018-11-18 11:32:03,216 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 900 928) the Hoare annotation is: true [2018-11-18 11:32:03,216 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 922) no Hoare annotation was computed. [2018-11-18 11:32:03,217 INFO L428 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-11-18 11:32:03,217 INFO L425 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-11-18 11:32:03,217 INFO L425 ceAbstractionStarter]: For program point L908(lines 908 925) no Hoare annotation was computed. [2018-11-18 11:32:03,217 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 900 928) no Hoare annotation was computed. [2018-11-18 11:32:03,217 INFO L425 ceAbstractionStarter]: For program point L908-1(lines 900 928) no Hoare annotation was computed. [2018-11-18 11:32:03,217 INFO L428 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: true [2018-11-18 11:32:03,217 INFO L425 ceAbstractionStarter]: For program point L906-1(line 906) no Hoare annotation was computed. [2018-11-18 11:32:03,217 INFO L421 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,217 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,217 INFO L421 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,217 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,218 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-18 11:32:03,218 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-18 11:32:03,218 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,218 INFO L421 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,218 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-18 11:32:03,218 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-18 11:32:03,218 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:32:03,218 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 551 557) no Hoare annotation was computed. [2018-11-18 11:32:03,218 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 551 557) the Hoare annotation is: true [2018-11-18 11:32:03,218 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 673 687) no Hoare annotation was computed. [2018-11-18 11:32:03,218 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 11:32:03,219 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 673 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-18 11:32:03,219 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2018-11-18 11:32:03,219 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 673 687) no Hoare annotation was computed. [2018-11-18 11:32:03,219 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 628 636) no Hoare annotation was computed. [2018-11-18 11:32:03,219 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 628 636) the Hoare annotation is: true [2018-11-18 11:32:03,219 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 628 636) no Hoare annotation was computed. [2018-11-18 11:32:03,219 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 767 773) no Hoare annotation was computed. [2018-11-18 11:32:03,219 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 767 773) the Hoare annotation is: true [2018-11-18 11:32:03,219 INFO L421 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,219 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,219 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-18 11:32:03,219 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-18 11:32:03,220 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 617 627) the Hoare annotation is: true [2018-11-18 11:32:03,220 INFO L428 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: true [2018-11-18 11:32:03,220 INFO L425 ceAbstractionStarter]: For program point L622-1(line 622) no Hoare annotation was computed. [2018-11-18 11:32:03,223 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 617 627) no Hoare annotation was computed. [2018-11-18 11:32:03,223 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 617 627) no Hoare annotation was computed. [2018-11-18 11:32:03,223 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 609 616) the Hoare annotation is: true [2018-11-18 11:32:03,223 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 609 616) no Hoare annotation was computed. [2018-11-18 11:32:03,223 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 609 616) no Hoare annotation was computed. [2018-11-18 11:32:03,223 INFO L425 ceAbstractionStarter]: For program point L578-1(lines 559 583) no Hoare annotation was computed. [2018-11-18 11:32:03,223 INFO L421 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:32:03,223 INFO L421 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:32:03,224 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 575) no Hoare annotation was computed. [2018-11-18 11:32:03,224 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 559 583) no Hoare annotation was computed. [2018-11-18 11:32:03,224 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:32:03,224 INFO L425 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2018-11-18 11:32:03,224 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 559 583) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 11:32:03,224 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 580) no Hoare annotation was computed. [2018-11-18 11:32:03,224 INFO L421 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 11:32:03,224 INFO L421 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:32:03,224 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,224 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2018-11-18 11:32:03,224 INFO L421 ceAbstractionStarter]: At program point L735-1(lines 729 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L700(lines 699 746) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L729(lines 729 742) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L421 ceAbstractionStarter]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:32:03,225 INFO L421 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 715) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2018-11-18 11:32:03,225 INFO L425 ceAbstractionStarter]: For program point L699-1(lines 699 746) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L421 ceAbstractionStarter]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 862 870) the Hoare annotation is: true [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 862 870) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 862 870) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 818 829) the Hoare annotation is: true [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 818 829) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point L822-1(lines 818 829) no Hoare annotation was computed. [2018-11-18 11:32:03,226 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 830 838) the Hoare annotation is: true [2018-11-18 11:32:03,226 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 830 838) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 830 838) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L421 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 11:32:03,227 INFO L421 ceAbstractionStarter]: At program point L538(lines 538 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 11:32:03,227 INFO L421 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point L531(lines 527 549) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point L529(lines 527 549) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 524 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 524 550) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 524 550) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 11:32:03,227 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 11:32:03,227 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 11:32:03,228 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 11:32:03,228 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 11:32:03,228 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 11:32:03,229 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 11:32:03,229 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 11:32:03,229 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 11:32:03,229 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 11:32:03,229 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 794 805) the Hoare annotation is: true [2018-11-18 11:32:03,229 INFO L425 ceAbstractionStarter]: For program point L798-1(lines 794 805) no Hoare annotation was computed. [2018-11-18 11:32:03,229 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 794 805) no Hoare annotation was computed. [2018-11-18 11:32:03,229 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 11:32:03,229 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 11:32:03,230 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:32:03,230 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 11:32:03,230 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:32:03,230 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:32:03,230 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 806 817) no Hoare annotation was computed. [2018-11-18 11:32:03,230 INFO L425 ceAbstractionStarter]: For program point L810-1(lines 806 817) no Hoare annotation was computed. [2018-11-18 11:32:03,230 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 806 817) the Hoare annotation is: true [2018-11-18 11:32:03,230 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 872 879) no Hoare annotation was computed. [2018-11-18 11:32:03,230 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 872 879) the Hoare annotation is: true [2018-11-18 11:32:03,230 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2018-11-18 11:32:03,230 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 872 879) no Hoare annotation was computed. [2018-11-18 11:32:03,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:32:03 BoogieIcfgContainer [2018-11-18 11:32:03,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:32:03,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:32:03,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:32:03,243 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:32:03,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:01" (3/4) ... [2018-11-18 11:32:03,246 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:32:03,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:32:03,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:32:03,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:32:03,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:32:03,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:32:03,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:32:03,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:32:03,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:32:03,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:32:03,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:32:03,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:32:03,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:32:03,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:32:03,253 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:32:03,259 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 11:32:03,259 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:32:03,260 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:32:03,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-18 11:32:03,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 11:32:03,315 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9fb5b76f-6780-450c-90cf-f8a3c581b629/bin-2019/utaipan/witness.graphml [2018-11-18 11:32:03,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:32:03,316 INFO L168 Benchmark]: Toolchain (without parser) took 2876.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:03,316 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:32:03,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:03,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:03,317 INFO L168 Benchmark]: Boogie Preprocessor took 33.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:03,318 INFO L168 Benchmark]: RCFGBuilder took 487.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:03,318 INFO L168 Benchmark]: TraceAbstraction took 1886.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -101.8 MB). Peak memory consumption was 273.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:03,318 INFO L168 Benchmark]: Witness Printer took 72.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:03,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 487.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1886.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -101.8 MB). Peak memory consumption was 273.6 MB. Max. memory is 11.5 GB. * Witness Printer took 72.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 876]: 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: 699]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 133 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 521 SDtfs, 297 SDslu, 803 SDs, 0 SdLazy, 375 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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=241occurred in iteration=3, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 27204 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...