./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:23:34,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:23:34,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:23:34,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:23:34,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:23:34,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:23:34,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:23:34,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:23:34,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:23:34,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:23:34,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:23:34,100 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:23:34,101 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:23:34,102 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:23:34,102 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:23:34,103 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:23:34,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:23:34,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:23:34,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:23:34,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:23:34,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:23:34,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:23:34,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:23:34,110 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:23:34,110 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:23:34,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:23:34,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:23:34,111 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:23:34,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:23:34,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:23:34,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:23:34,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:23:34,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:23:34,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:23:34,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:23:34,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:23:34,114 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:23:34,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:23:34,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:23:34,125 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:23:34,125 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:23:34,125 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:23:34,125 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:23:34,125 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:23:34,125 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:23:34,125 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:23:34,126 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:23:34,126 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:23:34,126 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:23:34,126 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:23:34,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:23:34,127 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:23:34,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:23:34,128 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:23:34,128 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:23:34,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:23:34,128 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:23:34,128 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:23:34,128 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:23:34,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:23:34,129 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:23:34,129 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:23:34,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:23:34,129 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:23:34,129 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:23:34,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:23:34,129 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:23:34,129 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_f48794b1-5996-4222-87be-b33c8b1fed3b/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2018-11-23 08:23:34,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:23:34,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:23:34,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:23:34,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:23:34,166 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:23:34,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-11-23 08:23:34,212 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/617d8a1d2/2a38fc7545e24f56a23bd3a972cc5701/FLAG21042f478 [2018-11-23 08:23:34,572 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:23:34,572 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-11-23 08:23:34,580 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/617d8a1d2/2a38fc7545e24f56a23bd3a972cc5701/FLAG21042f478 [2018-11-23 08:23:34,969 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/617d8a1d2/2a38fc7545e24f56a23bd3a972cc5701 [2018-11-23 08:23:34,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:23:34,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:23:34,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:34,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:23:34,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:23:34,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:34" (1/1) ... [2018-11-23 08:23:34,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2582a661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:34, skipping insertion in model container [2018-11-23 08:23:34,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:34" (1/1) ... [2018-11-23 08:23:34,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:23:35,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:23:35,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:35,205 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:23:35,307 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:35,323 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:23:35,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35 WrapperNode [2018-11-23 08:23:35,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:35,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:35,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:23:35,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:23:35,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:35,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:23:35,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:23:35,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:23:35,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... [2018-11-23 08:23:35,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:23:35,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:23:35,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:23:35,381 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:23:35,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/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 [2018-11-23 08:23:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 08:23:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 08:23:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:23:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:23:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 08:23:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 08:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 08:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 08:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 08:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 08:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 08:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 08:23:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 08:23:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 08:23:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 08:23:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 08:23:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 08:23:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 08:23:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:23:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:23:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:23:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 08:23:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 08:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 08:23:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 08:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:23:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 08:23:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 08:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 08:23:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 08:23:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 08:23:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 08:23:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 08:23:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 08:23:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 08:23:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 08:23:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 08:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 08:23:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 08:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 08:23:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:23:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:23:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:23:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 08:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 08:23:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:23:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:23:35,862 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:23:35,862 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 08:23:35,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:35 BoogieIcfgContainer [2018-11-23 08:23:35,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:23:35,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:23:35,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:23:35,866 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:23:35,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:23:34" (1/3) ... [2018-11-23 08:23:35,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607e13ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:35, skipping insertion in model container [2018-11-23 08:23:35,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (2/3) ... [2018-11-23 08:23:35,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607e13ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:35, skipping insertion in model container [2018-11-23 08:23:35,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:35" (3/3) ... [2018-11-23 08:23:35,869 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-11-23 08:23:35,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:23:35,884 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:23:35,893 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:23:35,915 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:23:35,916 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:23:35,916 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:23:35,916 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:23:35,916 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:23:35,916 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:23:35,916 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:23:35,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:23:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-11-23 08:23:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 08:23:35,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:35,937 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] [2018-11-23 08:23:35,939 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:35,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:35,943 INFO L82 PathProgramCache]: Analyzing trace with hash -681198731, now seen corresponding path program 1 times [2018-11-23 08:23:35,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:35,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:35,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:35,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:35,973 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:36,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:36,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:23:36,128 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:36,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:23:36,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:23:36,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:23:36,141 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-11-23 08:23:36,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:36,164 INFO L93 Difference]: Finished difference Result 244 states and 307 transitions. [2018-11-23 08:23:36,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:23:36,165 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 08:23:36,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:36,172 INFO L225 Difference]: With dead ends: 244 [2018-11-23 08:23:36,172 INFO L226 Difference]: Without dead ends: 124 [2018-11-23 08:23:36,175 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 [2018-11-23 08:23:36,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-23 08:23:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-23 08:23:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-23 08:23:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions. [2018-11-23 08:23:36,208 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51 [2018-11-23 08:23:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:36,208 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 147 transitions. [2018-11-23 08:23:36,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:23:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions. [2018-11-23 08:23:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 08:23:36,210 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:36,210 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:36,210 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:36,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:36,211 INFO L82 PathProgramCache]: Analyzing trace with hash -2010596111, now seen corresponding path program 1 times [2018-11-23 08:23:36,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:36,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:36,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,212 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:36,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:36,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:23:36,283 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:36,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:23:36,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:23:36,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:36,285 INFO L87 Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 3 states. [2018-11-23 08:23:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:36,306 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2018-11-23 08:23:36,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:23:36,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 08:23:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:36,309 INFO L225 Difference]: With dead ends: 193 [2018-11-23 08:23:36,309 INFO L226 Difference]: Without dead ends: 115 [2018-11-23 08:23:36,310 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 [2018-11-23 08:23:36,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-23 08:23:36,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-23 08:23:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 08:23:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2018-11-23 08:23:36,320 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2018-11-23 08:23:36,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:36,321 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2018-11-23 08:23:36,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:23:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2018-11-23 08:23:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 08:23:36,322 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:36,322 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] [2018-11-23 08:23:36,323 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:36,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:36,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1831288974, now seen corresponding path program 1 times [2018-11-23 08:23:36,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:36,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:36,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,324 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:36,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:36,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:23:36,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:36,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:23:36,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:23:36,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:23:36,428 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 7 states. [2018-11-23 08:23:36,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:36,640 INFO L93 Difference]: Finished difference Result 202 states and 243 transitions. [2018-11-23 08:23:36,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:23:36,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 08:23:36,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:36,642 INFO L225 Difference]: With dead ends: 202 [2018-11-23 08:23:36,642 INFO L226 Difference]: Without dead ends: 115 [2018-11-23 08:23:36,643 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 [2018-11-23 08:23:36,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-23 08:23:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-23 08:23:36,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 08:23:36,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2018-11-23 08:23:36,653 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56 [2018-11-23 08:23:36,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:36,653 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2018-11-23 08:23:36,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:23:36,654 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2018-11-23 08:23:36,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 08:23:36,655 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:36,656 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, 1] [2018-11-23 08:23:36,656 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:36,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:36,657 INFO L82 PathProgramCache]: Analyzing trace with hash 167246038, now seen corresponding path program 1 times [2018-11-23 08:23:36,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:36,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:36,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,658 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:36,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:36,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:23:36,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:36,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:23:36,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:23:36,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:23:36,742 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 6 states. [2018-11-23 08:23:36,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:36,854 INFO L93 Difference]: Finished difference Result 281 states and 341 transitions. [2018-11-23 08:23:36,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:23:36,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2018-11-23 08:23:36,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:36,856 INFO L225 Difference]: With dead ends: 281 [2018-11-23 08:23:36,857 INFO L226 Difference]: Without dead ends: 194 [2018-11-23 08:23:36,857 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 [2018-11-23 08:23:36,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-11-23 08:23:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2018-11-23 08:23:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-11-23 08:23:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2018-11-23 08:23:36,878 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 69 [2018-11-23 08:23:36,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:36,878 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2018-11-23 08:23:36,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:23:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2018-11-23 08:23:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 08:23:36,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:36,881 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, 1, 1, 1, 1, 1] [2018-11-23 08:23:36,881 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:36,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:36,881 INFO L82 PathProgramCache]: Analyzing trace with hash -93930438, now seen corresponding path program 1 times [2018-11-23 08:23:36,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:36,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:36,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:36,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:36,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:36,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:23:36,969 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:36,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:23:36,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:23:36,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:23:36,970 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 7 states. [2018-11-23 08:23:37,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:37,134 INFO L93 Difference]: Finished difference Result 290 states and 353 transitions. [2018-11-23 08:23:37,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:23:37,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-11-23 08:23:37,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:37,135 INFO L225 Difference]: With dead ends: 290 [2018-11-23 08:23:37,136 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:23:37,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:23:37,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:23:37,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:23:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:23:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:23:37,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-11-23 08:23:37,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:37,138 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:23:37,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:23:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:23:37,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:23:37,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:23:37,650 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2018-11-23 08:23:37,650 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2018-11-23 08:23:37,650 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-23 08:23:37,650 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2018-11-23 08:23:37,650 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-23 08:23:37,650 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 529 551) 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))) [2018-11-23 08:23:37,651 INFO L444 ceAbstractionStarter]: At program point L541(line 541) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:23:37,651 INFO L444 ceAbstractionStarter]: At program point L541-1(line 541) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:23:37,651 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 546) no Hoare annotation was computed. [2018-11-23 08:23:37,651 INFO L448 ceAbstractionStarter]: For program point L539-1(lines 539 546) no Hoare annotation was computed. [2018-11-23 08:23:37,651 INFO L448 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2018-11-23 08:23:37,651 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 529 551) no Hoare annotation was computed. [2018-11-23 08:23:37,651 INFO L444 ceAbstractionStarter]: At program point L536(line 536) 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))) [2018-11-23 08:23:37,651 INFO L444 ceAbstractionStarter]: At program point L535(line 535) 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))) [2018-11-23 08:23:37,651 INFO L444 ceAbstractionStarter]: At program point L535-1(line 535) 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))) [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 529 551) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 805 813) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 863) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 850 868) the Hoare annotation is: true [2018-11-23 08:23:37,652 INFO L451 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point L859-2(lines 859 863) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 850 868) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 850 868) no Hoare annotation was computed. [2018-11-23 08:23:37,652 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2018-11-23 08:23:37,653 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2018-11-23 08:23:37,653 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 515 525) 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))) [2018-11-23 08:23:37,653 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 515 525) no Hoare annotation was computed. [2018-11-23 08:23:37,653 INFO L444 ceAbstractionStarter]: At program point L520(line 520) 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))) [2018-11-23 08:23:37,653 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 515 525) no Hoare annotation was computed. [2018-11-23 08:23:37,653 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2018-11-23 08:23:37,653 INFO L451 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-11-23 08:23:37,653 INFO L448 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2018-11-23 08:23:37,653 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2018-11-23 08:23:37,653 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 794 804) no Hoare annotation was computed. [2018-11-23 08:23:37,653 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2018-11-23 08:23:37,654 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2018-11-23 08:23:37,654 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2018-11-23 08:23:37,654 INFO L444 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,654 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,654 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 769) no Hoare annotation was computed. [2018-11-23 08:23:37,654 INFO L444 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,654 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 753 777) no Hoare annotation was computed. [2018-11-23 08:23:37,654 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-11-23 08:23:37,654 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 774) no Hoare annotation was computed. [2018-11-23 08:23:37,654 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 753 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,655 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,655 INFO L448 ceAbstractionStarter]: For program point L772-1(lines 753 777) no Hoare annotation was computed. [2018-11-23 08:23:37,655 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 719 725) no Hoare annotation was computed. [2018-11-23 08:23:37,655 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 719 725) the Hoare annotation is: true [2018-11-23 08:23:37,655 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 870 933) 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))) [2018-11-23 08:23:37,655 INFO L444 ceAbstractionStarter]: At program point L892(line 892) 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))) [2018-11-23 08:23:37,655 INFO L444 ceAbstractionStarter]: At program point L923(lines 880 925) 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))) [2018-11-23 08:23:37,655 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 896) no Hoare annotation was computed. [2018-11-23 08:23:37,655 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 890 896) no Hoare annotation was computed. [2018-11-23 08:23:37,655 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 870 933) no Hoare annotation was computed. [2018-11-23 08:23:37,655 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 886) no Hoare annotation was computed. [2018-11-23 08:23:37,656 INFO L444 ceAbstractionStarter]: At program point L926(lines 879 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:23:37,656 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 920) no Hoare annotation was computed. [2018-11-23 08:23:37,656 INFO L444 ceAbstractionStarter]: At program point L916-2(lines 910 921) 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))) [2018-11-23 08:23:37,656 INFO L448 ceAbstractionStarter]: For program point L881(lines 880 925) no Hoare annotation was computed. [2018-11-23 08:23:37,656 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 921) no Hoare annotation was computed. [2018-11-23 08:23:37,656 INFO L444 ceAbstractionStarter]: At program point L902(line 902) 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))) [2018-11-23 08:23:37,656 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-11-23 08:23:37,656 INFO L448 ceAbstractionStarter]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2018-11-23 08:23:37,656 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 870 933) no Hoare annotation was computed. [2018-11-23 08:23:37,657 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 636 644) no Hoare annotation was computed. [2018-11-23 08:23:37,657 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 636 644) the Hoare annotation is: true [2018-11-23 08:23:37,657 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 636 644) no Hoare annotation was computed. [2018-11-23 08:23:37,657 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,657 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 418 446) the Hoare annotation is: true [2018-11-23 08:23:37,657 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2018-11-23 08:23:37,657 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2018-11-23 08:23:37,657 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 08:23:37,657 INFO L448 ceAbstractionStarter]: For program point L428-1(line 428) no Hoare annotation was computed. [2018-11-23 08:23:37,657 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 443) no Hoare annotation was computed. [2018-11-23 08:23:37,657 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 418 446) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L451 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 418 446) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 410 417) the Hoare annotation is: true [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 410 417) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 583 594) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point L587-1(lines 583 594) no Hoare annotation was computed. [2018-11-23 08:23:37,658 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 583 594) no Hoare annotation was computed. [2018-11-23 08:23:37,659 INFO L444 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,659 INFO L448 ceAbstractionStarter]: For program point L699(lines 698 717) no Hoare annotation was computed. [2018-11-23 08:23:37,659 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 718) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,659 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 718) no Hoare annotation was computed. [2018-11-23 08:23:37,659 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 718) no Hoare annotation was computed. [2018-11-23 08:23:37,659 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,659 INFO L444 ceAbstractionStarter]: At program point L706(lines 706 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,659 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 450 479) no Hoare annotation was computed. [2018-11-23 08:23:37,659 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 450 479) the Hoare annotation is: true [2018-11-23 08:23:37,659 INFO L451 ceAbstractionStarter]: At program point L475(lines 450 479) the Hoare annotation is: true [2018-11-23 08:23:37,659 INFO L448 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2018-11-23 08:23:37,660 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2018-11-23 08:23:37,660 INFO L451 ceAbstractionStarter]: At program point L464-1(lines 464 468) the Hoare annotation is: true [2018-11-23 08:23:37,660 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 08:23:37,660 INFO L451 ceAbstractionStarter]: At program point L460-2(lines 460 474) the Hoare annotation is: true [2018-11-23 08:23:37,660 INFO L451 ceAbstractionStarter]: At program point L456(line 456) the Hoare annotation is: true [2018-11-23 08:23:37,660 INFO L448 ceAbstractionStarter]: For program point L456-1(line 456) no Hoare annotation was computed. [2018-11-23 08:23:37,660 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 595 603) the Hoare annotation is: true [2018-11-23 08:23:37,660 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 595 603) no Hoare annotation was computed. [2018-11-23 08:23:37,660 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 595 603) no Hoare annotation was computed. [2018-11-23 08:23:37,660 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 559 570) the Hoare annotation is: true [2018-11-23 08:23:37,660 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 559 570) no Hoare annotation was computed. [2018-11-23 08:23:37,660 INFO L448 ceAbstractionStarter]: For program point L563-1(lines 559 570) no Hoare annotation was computed. [2018-11-23 08:23:37,661 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 507 513) no Hoare annotation was computed. [2018-11-23 08:23:37,661 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 507 513) the Hoare annotation is: true [2018-11-23 08:23:37,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:23:37,661 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 08:23:37,661 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:23:37,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:23:37,661 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 571 582) no Hoare annotation was computed. [2018-11-23 08:23:37,661 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 571 582) no Hoare annotation was computed. [2018-11-23 08:23:37,661 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 571 582) the Hoare annotation is: true [2018-11-23 08:23:37,661 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 646 653) no Hoare annotation was computed. [2018-11-23 08:23:37,661 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 646 653) the Hoare annotation is: true [2018-11-23 08:23:37,662 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2018-11-23 08:23:37,662 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 646 653) no Hoare annotation was computed. [2018-11-23 08:23:37,662 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,662 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 743) no Hoare annotation was computed. [2018-11-23 08:23:37,662 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 727 751) no Hoare annotation was computed. [2018-11-23 08:23:37,662 INFO L444 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,662 INFO L448 ceAbstractionStarter]: For program point L733-1(line 733) no Hoare annotation was computed. [2018-11-23 08:23:37,662 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 748) no Hoare annotation was computed. [2018-11-23 08:23:37,662 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 727 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,662 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,662 INFO L448 ceAbstractionStarter]: For program point L746-1(lines 727 751) no Hoare annotation was computed. [2018-11-23 08:23:37,663 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 08:23:37,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:23:37 BoogieIcfgContainer [2018-11-23 08:23:37,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:23:37,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:23:37,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:23:37,675 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:23:37,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:35" (3/4) ... [2018-11-23 08:23:37,683 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:23:37,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 08:23:37,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 08:23:37,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 08:23:37,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:23:37,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 08:23:37,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 08:23:37,696 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 08:23:37,697 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 08:23:37,697 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:23:37,697 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:23:37,698 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:23:37,698 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:23:37,698 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:23:37,723 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-23 08:23:37,724 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 08:23:37,757 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/witness.graphml [2018-11-23 08:23:37,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:23:37,758 INFO L168 Benchmark]: Toolchain (without parser) took 2786.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:37,759 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:23:37,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:37,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:23:37,760 INFO L168 Benchmark]: Boogie Preprocessor took 30.91 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:37,760 INFO L168 Benchmark]: RCFGBuilder took 481.99 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: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:37,761 INFO L168 Benchmark]: TraceAbstraction took 1811.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -51.3 MB). Peak memory consumption was 266.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:37,761 INFO L168 Benchmark]: Witness Printer took 82.86 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:37,762 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.91 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 481.99 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: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1811.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -51.3 MB). Peak memory consumption was 266.6 MB. Max. memory is 11.5 GB. * Witness Printer took 82.86 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 650]: 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: 450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 137 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 638 SDtfs, 372 SDslu, 1009 SDs, 0 SdLazy, 357 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred 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, 58 LocationsWithAnnotation, 319 PreInvPairs, 332 NumberOfFragments, 502 HoareAnnotationTreeSize, 319 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 846 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 33244 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...