./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_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_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:14:12,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:14:12,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:14:12,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:14:12,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:14:12,698 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:14:12,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:14:12,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:14:12,701 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:14:12,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:14:12,702 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:14:12,702 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:14:12,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:14:12,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:14:12,704 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:14:12,704 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:14:12,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:14:12,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:14:12,707 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:14:12,707 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:14:12,708 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:14:12,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:14:12,710 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:14:12,710 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:14:12,710 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:14:12,711 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:14:12,711 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:14:12,712 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:14:12,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:14:12,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:14:12,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:14:12,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:14:12,713 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:14:12,713 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:14:12,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:14:12,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:14:12,715 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:14:12,722 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:14:12,723 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:14:12,723 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:14:12,723 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:14:12,723 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:14:12,724 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:14:12,724 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:14:12,724 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:14:12,724 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:14:12,724 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:14:12,724 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:14:12,724 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:14:12,724 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:14:12,725 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:14:12,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:14:12,725 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:14:12,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:14:12,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:14:12,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:14:12,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:14:12,725 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:14:12,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:14:12,726 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:14:12,726 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:14:12,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:14:12,727 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:14:12,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:14:12,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:14:12,727 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:14:12,727 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_7173a2d5-0b9c-4995-96a4-e335afc23706/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2018-12-03 07:14:12,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:14:12,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:14:12,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:14:12,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:14:12,754 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:14:12,754 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-12-03 07:14:12,789 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/data/19b6ffbba/8fcf688ee6ba41f1a02065947e666832/FLAGa82a345ef [2018-12-03 07:14:13,103 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:14:13,103 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-12-03 07:14:13,110 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/data/19b6ffbba/8fcf688ee6ba41f1a02065947e666832/FLAGa82a345ef [2018-12-03 07:14:13,118 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/data/19b6ffbba/8fcf688ee6ba41f1a02065947e666832 [2018-12-03 07:14:13,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:14:13,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:14:13,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:14:13,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:14:13,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:14:13,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13, skipping insertion in model container [2018-12-03 07:14:13,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:14:13,151 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:14:13,302 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:14:13,348 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:14:13,387 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:14:13,402 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:14:13,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13 WrapperNode [2018-12-03 07:14:13,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:14:13,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:14:13,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:14:13,403 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:14:13,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:14:13,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:14:13,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:14:13,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:14:13,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... [2018-12-03 07:14:13,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:14:13,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:14:13,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:14:13,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:14:13,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/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 [2018-12-03 07:14:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 07:14:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 07:14:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:14:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:14:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 07:14:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 07:14:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 07:14:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 07:14:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 07:14:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 07:14:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 07:14:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 07:14:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 07:14:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 07:14:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 07:14:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 07:14:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 07:14:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:14:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:14:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:14:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:14:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 07:14:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 07:14:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 07:14:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 07:14:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 07:14:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 07:14:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 07:14:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 07:14:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 07:14:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 07:14:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 07:14:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 07:14:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 07:14:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 07:14:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 07:14:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 07:14:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 07:14:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 07:14:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 07:14:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 07:14:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 07:14:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:14:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:14:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 07:14:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 07:14:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 07:14:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 07:14:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:14:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:14:13,785 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:14:13,785 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 07:14:13,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:14:13 BoogieIcfgContainer [2018-12-03 07:14:13,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:14:13,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:14:13,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:14:13,789 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:14:13,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:14:13" (1/3) ... [2018-12-03 07:14:13,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d0a2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:14:13, skipping insertion in model container [2018-12-03 07:14:13,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:14:13" (2/3) ... [2018-12-03 07:14:13,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d0a2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:14:13, skipping insertion in model container [2018-12-03 07:14:13,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:14:13" (3/3) ... [2018-12-03 07:14:13,791 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-12-03 07:14:13,797 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:14:13,801 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:14:13,810 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:14:13,827 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:14:13,827 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:14:13,827 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:14:13,828 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:14:13,828 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:14:13,828 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:14:13,828 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:14:13,828 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:14:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-03 07:14:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 07:14:13,846 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:14:13,847 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:14:13,849 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:14:13,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:14:13,853 INFO L82 PathProgramCache]: Analyzing trace with hash -710970242, now seen corresponding path program 1 times [2018-12-03 07:14:13,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:14:13,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:13,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:14:13,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:13,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:14:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:14:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:14:14,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:14:14,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 07:14:14,009 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:14:14,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 07:14:14,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 07:14:14,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 07:14:14,021 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-12-03 07:14:14,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:14:14,041 INFO L93 Difference]: Finished difference Result 214 states and 267 transitions. [2018-12-03 07:14:14,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 07:14:14,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 07:14:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:14:14,048 INFO L225 Difference]: With dead ends: 214 [2018-12-03 07:14:14,048 INFO L226 Difference]: Without dead ends: 109 [2018-12-03 07:14:14,050 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 [2018-12-03 07:14:14,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-03 07:14:14,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-03 07:14:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-03 07:14:14,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2018-12-03 07:14:14,080 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2018-12-03 07:14:14,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:14:14,080 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2018-12-03 07:14:14,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 07:14:14,080 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2018-12-03 07:14:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 07:14:14,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:14:14,082 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:14:14,082 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:14:14,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:14:14,082 INFO L82 PathProgramCache]: Analyzing trace with hash -231314404, now seen corresponding path program 1 times [2018-12-03 07:14:14,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:14:14,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:14:14,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:14:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:14:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:14:14,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:14:14,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:14:14,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:14:14,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:14:14,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:14:14,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:14:14,132 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2018-12-03 07:14:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:14:14,142 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-12-03 07:14:14,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:14:14,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 07:14:14,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:14:14,144 INFO L225 Difference]: With dead ends: 163 [2018-12-03 07:14:14,144 INFO L226 Difference]: Without dead ends: 100 [2018-12-03 07:14:14,144 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 [2018-12-03 07:14:14,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-03 07:14:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-03 07:14:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-03 07:14:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-12-03 07:14:14,151 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2018-12-03 07:14:14,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:14:14,151 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-12-03 07:14:14,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:14:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-12-03 07:14:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-03 07:14:14,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:14:14,152 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:14:14,152 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:14:14,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:14:14,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1476498906, now seen corresponding path program 1 times [2018-12-03 07:14:14,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:14:14,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:14:14,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:14:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:14:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:14:14,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:14:14,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:14:14,230 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:14:14,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:14:14,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:14:14,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:14:14,231 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2018-12-03 07:14:14,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:14:14,359 INFO L93 Difference]: Finished difference Result 172 states and 203 transitions. [2018-12-03 07:14:14,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 07:14:14,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-03 07:14:14,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:14:14,361 INFO L225 Difference]: With dead ends: 172 [2018-12-03 07:14:14,361 INFO L226 Difference]: Without dead ends: 100 [2018-12-03 07:14:14,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:14:14,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-03 07:14:14,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-03 07:14:14,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-03 07:14:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-12-03 07:14:14,371 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2018-12-03 07:14:14,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:14:14,371 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-12-03 07:14:14,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:14:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-12-03 07:14:14,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 07:14:14,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:14:14,373 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:14:14,373 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:14:14,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:14:14,374 INFO L82 PathProgramCache]: Analyzing trace with hash 346748915, now seen corresponding path program 1 times [2018-12-03 07:14:14,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:14:14,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:14:14,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:14:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:14:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:14:14,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:14:14,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:14:14,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:14:14,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:14:14,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:14:14,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:14:14,455 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 6 states. [2018-12-03 07:14:14,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:14:14,562 INFO L93 Difference]: Finished difference Result 236 states and 281 transitions. [2018-12-03 07:14:14,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:14:14,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-03 07:14:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:14:14,565 INFO L225 Difference]: With dead ends: 236 [2018-12-03 07:14:14,565 INFO L226 Difference]: Without dead ends: 164 [2018-12-03 07:14:14,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 07:14:14,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-12-03 07:14:14,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2018-12-03 07:14:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-12-03 07:14:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2018-12-03 07:14:14,582 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2018-12-03 07:14:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:14:14,583 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2018-12-03 07:14:14,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:14:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2018-12-03 07:14:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-03 07:14:14,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:14:14,585 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:14:14,585 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:14:14,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:14:14,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1641511343, now seen corresponding path program 1 times [2018-12-03 07:14:14,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:14:14,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:14:14,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:14:14,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:14:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:14:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:14:14,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:14:14,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:14:14,660 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:14:14,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:14:14,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:14:14,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:14:14,661 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 7 states. [2018-12-03 07:14:14,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:14:14,844 INFO L93 Difference]: Finished difference Result 250 states and 299 transitions. [2018-12-03 07:14:14,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:14:14,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-12-03 07:14:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:14:14,845 INFO L225 Difference]: With dead ends: 250 [2018-12-03 07:14:14,845 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 07:14:14,846 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 [2018-12-03 07:14:14,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 07:14:14,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 07:14:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 07:14:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 07:14:14,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-12-03 07:14:14,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:14:14,847 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 07:14:14,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:14:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 07:14:14,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 07:14:14,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 07:14:15,264 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 340 347) the Hoare annotation is: true [2018-12-03 07:14:15,264 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 340 347) no Hoare annotation was computed. [2018-12-03 07:14:15,264 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 340 347) no Hoare annotation was computed. [2018-12-03 07:14:15,264 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 289 313) no Hoare annotation was computed. [2018-12-03 07:14:15,264 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,264 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 289 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,272 INFO L448 ceAbstractionStarter]: For program point L308-1(lines 289 313) no Hoare annotation was computed. [2018-12-03 07:14:15,272 INFO L444 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,272 INFO L444 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 305) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L444 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 310) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 281 287) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 281 287) the Hoare annotation is: true [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 171 179) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L444 ceAbstractionStarter]: At program point L227-2(lines 221 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point L192(lines 191 236) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 181 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 232) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 181 244) no Hoare annotation was computed. [2018-12-03 07:14:15,273 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 07:14:15,274 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-12-03 07:14:15,274 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-12-03 07:14:15,274 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 07:14:15,274 INFO L444 ceAbstractionStarter]: At program point L234(lines 191 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 07:14:15,274 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 207) no Hoare annotation was computed. [2018-12-03 07:14:15,274 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 201 207) no Hoare annotation was computed. [2018-12-03 07:14:15,274 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-12-03 07:14:15,274 INFO L444 ceAbstractionStarter]: At program point L237(lines 190 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,274 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-12-03 07:14:15,274 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 181 244) no Hoare annotation was computed. [2018-12-03 07:14:15,274 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,274 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,274 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,275 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,275 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-03 07:14:15,275 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-03 07:14:15,275 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,275 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,275 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-03 07:14:15,275 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-03 07:14:15,275 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 07:14:15,275 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 359 367) no Hoare annotation was computed. [2018-12-03 07:14:15,276 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 359 367) the Hoare annotation is: true [2018-12-03 07:14:15,276 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 359 367) no Hoare annotation was computed. [2018-12-03 07:14:15,277 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 504 512) no Hoare annotation was computed. [2018-12-03 07:14:15,277 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 504 512) the Hoare annotation is: true [2018-12-03 07:14:15,277 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 504 512) no Hoare annotation was computed. [2018-12-03 07:14:15,277 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-12-03 07:14:15,277 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2018-12-03 07:14:15,277 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 07:14:15,277 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-03 07:14:15,277 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2018-12-03 07:14:15,278 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2018-12-03 07:14:15,278 INFO L451 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-12-03 07:14:15,278 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-12-03 07:14:15,278 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: true [2018-12-03 07:14:15,278 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2018-12-03 07:14:15,278 INFO L444 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,278 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2018-12-03 07:14:15,278 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-12-03 07:14:15,278 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-12-03 07:14:15,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:14:15,278 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L451 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: true [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point L411-1(line 411) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 404 422) the Hoare annotation is: true [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 404 422) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 404 422) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 451 462) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point L455-1(lines 451 462) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 451 462) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 463 471) the Hoare annotation is: true [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 463 471) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 463 471) no Hoare annotation was computed. [2018-12-03 07:14:15,279 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 257 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,279 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,279 INFO L444 ceAbstractionStarter]: At program point L268(lines 268 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 257 280) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 257 280) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point L261(lines 260 279) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 427 438) the Hoare annotation is: true [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 427 438) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2018-12-03 07:14:15,280 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-03 07:14:15,280 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-03 07:14:15,281 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 439 450) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 439 450) the Hoare annotation is: true [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 514 521) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,281 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-03 07:14:15,281 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-03 07:14:15,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:14:15 BoogieIcfgContainer [2018-12-03 07:14:15,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:14:15,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:14:15,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:14:15,289 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:14:15,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:14:13" (3/4) ... [2018-12-03 07:14:15,291 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 07:14:15,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 07:14:15,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 07:14:15,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 07:14:15,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 07:14:15,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 07:14:15,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 07:14:15,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 07:14:15,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 07:14:15,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-03 07:14:15,302 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 07:14:15,302 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 07:14:15,302 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 07:14:15,302 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 07:14:15,302 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 07:14:15,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-03 07:14:15,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 07:14:15,347 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7173a2d5-0b9c-4995-96a4-e335afc23706/bin-2019/utaipan/witness.graphml [2018-12-03 07:14:15,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:14:15,347 INFO L168 Benchmark]: Toolchain (without parser) took 2227.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -211.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:14:15,348 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:14:15,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -105.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:14:15,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:14:15,349 INFO L168 Benchmark]: Boogie Preprocessor took 20.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:14:15,349 INFO L168 Benchmark]: RCFGBuilder took 341.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-12-03 07:14:15,349 INFO L168 Benchmark]: TraceAbstraction took 1502.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 109.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -158.6 MB). Peak memory consumption was 319.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:14:15,350 INFO L168 Benchmark]: Witness Printer took 58.25 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: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-12-03 07:14:15,351 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -105.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 341.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1502.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 109.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -158.6 MB). Peak memory consumption was 319.7 MB. Max. memory is 11.5 GB. * Witness Printer took 58.25 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: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 191]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 263 SDslu, 859 SDs, 0 SdLazy, 316 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 225 PreInvPairs, 238 NumberOfFragments, 449 HoareAnnotationTreeSize, 225 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 736 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 30424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...