./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_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_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:16:37,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:16:37,190 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:16:37,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:16:37,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:16:37,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:16:37,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:16:37,199 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:16:37,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:16:37,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:16:37,201 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:16:37,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:16:37,202 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:16:37,203 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:16:37,204 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:16:37,204 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:16:37,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:16:37,206 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:16:37,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:16:37,208 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:16:37,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:16:37,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:16:37,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:16:37,211 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:16:37,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:16:37,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:16:37,213 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:16:37,213 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:16:37,214 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:16:37,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:16:37,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:16:37,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:16:37,215 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:16:37,215 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:16:37,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:16:37,216 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:16:37,217 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:16:37,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:16:37,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:16:37,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:16:37,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:16:37,227 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:16:37,228 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:16:37,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:16:37,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:16:37,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:16:37,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:16:37,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:16:37,229 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:16:37,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:16:37,230 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:16:37,230 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_2cf1f72f-0503-498e-bd85-dd26e02354d6/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-12-08 16:16:37,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:16:37,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:16:37,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:16:37,266 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:16:37,266 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:16:37,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-08 16:16:37,312 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/data/9c7389814/d37bd469ba8d4b00a9cb4df58070a882/FLAGe565f3530 [2018-12-08 16:16:37,721 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:16:37,721 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-08 16:16:37,728 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/data/9c7389814/d37bd469ba8d4b00a9cb4df58070a882/FLAGe565f3530 [2018-12-08 16:16:37,736 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/data/9c7389814/d37bd469ba8d4b00a9cb4df58070a882 [2018-12-08 16:16:37,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:16:37,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:16:37,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:16:37,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:16:37,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:16:37,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:16:37" (1/1) ... [2018-12-08 16:16:37,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:37, skipping insertion in model container [2018-12-08 16:16:37,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:16:37" (1/1) ... [2018-12-08 16:16:37,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:16:37,767 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:16:37,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:16:37,954 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:16:38,007 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:16:38,028 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:16:38,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38 WrapperNode [2018-12-08 16:16:38,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:16:38,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:16:38,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:16:38,029 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:16:38,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:16:38,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:16:38,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:16:38,052 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:16:38,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... [2018-12-08 16:16:38,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:16:38,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:16:38,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:16:38,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:16:38,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/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 [2018-12-08 16:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 16:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 16:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 16:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 16:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 16:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:16:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:16:38,398 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:16:38,398 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:16:38,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:16:38 BoogieIcfgContainer [2018-12-08 16:16:38,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:16:38,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:16:38,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:16:38,401 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:16:38,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:16:37" (1/3) ... [2018-12-08 16:16:38,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3623bc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:16:38, skipping insertion in model container [2018-12-08 16:16:38,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:38" (2/3) ... [2018-12-08 16:16:38,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3623bc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:16:38, skipping insertion in model container [2018-12-08 16:16:38,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:16:38" (3/3) ... [2018-12-08 16:16:38,403 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-08 16:16:38,409 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:16:38,414 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:16:38,423 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:16:38,442 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:16:38,442 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:16:38,442 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:16:38,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:16:38,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:16:38,442 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:16:38,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:16:38,443 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:16:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-08 16:16:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:16:38,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:38,460 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] [2018-12-08 16:16:38,461 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:38,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:38,465 INFO L82 PathProgramCache]: Analyzing trace with hash 837147030, now seen corresponding path program 1 times [2018-12-08 16:16:38,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:16:38,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:38,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:16:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:38,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:38,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:16:38,607 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:16:38,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:16:38,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:16:38,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:16:38,619 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-08 16:16:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:38,641 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-12-08 16:16:38,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:16:38,642 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 16:16:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:38,649 INFO L225 Difference]: With dead ends: 264 [2018-12-08 16:16:38,649 INFO L226 Difference]: Without dead ends: 134 [2018-12-08 16:16:38,651 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 [2018-12-08 16:16:38,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-08 16:16:38,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-08 16:16:38,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-08 16:16:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-12-08 16:16:38,682 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-12-08 16:16:38,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:38,682 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-12-08 16:16:38,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:16:38,683 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-12-08 16:16:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:16:38,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:38,684 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] [2018-12-08 16:16:38,685 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:38,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:38,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1119907156, now seen corresponding path program 1 times [2018-12-08 16:16:38,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:16:38,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:38,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:16:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:38,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:38,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:16:38,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:16:38,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:16:38,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:16:38,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:16:38,743 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-12-08 16:16:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:38,756 INFO L93 Difference]: Finished difference Result 203 states and 241 transitions. [2018-12-08 16:16:38,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:16:38,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 16:16:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:38,757 INFO L225 Difference]: With dead ends: 203 [2018-12-08 16:16:38,757 INFO L226 Difference]: Without dead ends: 125 [2018-12-08 16:16:38,758 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 [2018-12-08 16:16:38,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-08 16:16:38,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-08 16:16:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-08 16:16:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-12-08 16:16:38,766 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-12-08 16:16:38,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:38,766 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-12-08 16:16:38,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:16:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-12-08 16:16:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:16:38,767 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:38,767 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] [2018-12-08 16:16:38,767 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:38,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:38,767 INFO L82 PathProgramCache]: Analyzing trace with hash -481061761, now seen corresponding path program 1 times [2018-12-08 16:16:38,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:16:38,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:38,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:16:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:38,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:38,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:16:38,847 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:16:38,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:16:38,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:16:38,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:16:38,848 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-12-08 16:16:39,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:39,118 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2018-12-08 16:16:39,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:16:39,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 16:16:39,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:39,121 INFO L225 Difference]: With dead ends: 370 [2018-12-08 16:16:39,121 INFO L226 Difference]: Without dead ends: 273 [2018-12-08 16:16:39,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:16:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-12-08 16:16:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 261. [2018-12-08 16:16:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-12-08 16:16:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2018-12-08 16:16:39,151 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2018-12-08 16:16:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:39,152 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2018-12-08 16:16:39,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:16:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2018-12-08 16:16:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:16:39,154 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:39,154 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] [2018-12-08 16:16:39,154 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:39,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:39,155 INFO L82 PathProgramCache]: Analyzing trace with hash -337198574, now seen corresponding path program 1 times [2018-12-08 16:16:39,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:16:39,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:39,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:39,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:39,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:16:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:39,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:39,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:16:39,236 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:16:39,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:16:39,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:16:39,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:16:39,237 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 6 states. [2018-12-08 16:16:39,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:39,364 INFO L93 Difference]: Finished difference Result 709 states and 894 transitions. [2018-12-08 16:16:39,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:16:39,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-08 16:16:39,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:39,368 INFO L225 Difference]: With dead ends: 709 [2018-12-08 16:16:39,368 INFO L226 Difference]: Without dead ends: 476 [2018-12-08 16:16:39,369 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 [2018-12-08 16:16:39,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-12-08 16:16:39,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 470. [2018-12-08 16:16:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-12-08 16:16:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2018-12-08 16:16:39,407 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2018-12-08 16:16:39,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:39,407 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2018-12-08 16:16:39,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:16:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2018-12-08 16:16:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 16:16:39,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:39,409 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] [2018-12-08 16:16:39,409 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:39,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:39,410 INFO L82 PathProgramCache]: Analyzing trace with hash -50157426, now seen corresponding path program 1 times [2018-12-08 16:16:39,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:16:39,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:39,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:39,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:39,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:16:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:39,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:39,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:16:39,484 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:16:39,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:16:39,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:16:39,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:16:39,484 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 7 states. [2018-12-08 16:16:39,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:39,648 INFO L93 Difference]: Finished difference Result 764 states and 969 transitions. [2018-12-08 16:16:39,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:16:39,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-08 16:16:39,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:39,649 INFO L225 Difference]: With dead ends: 764 [2018-12-08 16:16:39,649 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:16:39,650 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 [2018-12-08 16:16:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:16:39,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:16:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:16:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:16:39,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-12-08 16:16:39,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:39,652 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:16:39,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:16:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:16:39,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:16:39,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:16:40,206 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 470 476) the Hoare annotation is: true [2018-12-08 16:16:40,206 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 470 476) no Hoare annotation was computed. [2018-12-08 16:16:40,206 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 477 485) no Hoare annotation was computed. [2018-12-08 16:16:40,206 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 477 485) the Hoare annotation is: true [2018-12-08 16:16:40,206 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 477 485) no Hoare annotation was computed. [2018-12-08 16:16:40,206 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 428 450) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,206 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 428 450) no Hoare annotation was computed. [2018-12-08 16:16:40,207 INFO L444 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,207 INFO L444 ceAbstractionStarter]: At program point L440-1(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,207 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2018-12-08 16:16:40,207 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 438 445) no Hoare annotation was computed. [2018-12-08 16:16:40,207 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 16:16:40,207 INFO L444 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,207 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,207 INFO L444 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,207 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 428 450) no Hoare annotation was computed. [2018-12-08 16:16:40,207 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 16:16:40,207 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2018-12-08 16:16:40,207 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 16:16:40,208 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 16:16:40,208 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 168 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 184) no Hoare annotation was computed. [2018-12-08 16:16:40,208 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 189) no Hoare annotation was computed. [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 168 192) no Hoare annotation was computed. [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 327 341) no Hoare annotation was computed. [2018-12-08 16:16:40,208 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2018-12-08 16:16:40,208 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 327 341) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 327 341) no Hoare annotation was computed. [2018-12-08 16:16:40,208 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 263 271) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 263 271) the Hoare annotation is: true [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 263 271) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L451 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: true [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point L315-1(line 315) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 308 326) the Hoare annotation is: true [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 308 326) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 308 326) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 463 469) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 463 469) the Hoare annotation is: true [2018-12-08 16:16:40,209 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 414 424) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 414 424) no Hoare annotation was computed. [2018-12-08 16:16:40,209 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 414 424) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,210 INFO L451 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: true [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point L257-1(line 257) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 252 262) the Hoare annotation is: true [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 252 262) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 252 262) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 244 251) the Hoare annotation is: true [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 194 218) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 194 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 16:16:40,210 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 16:16:40,210 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-12-08 16:16:40,210 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 16:16:40,210 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2018-12-08 16:16:40,211 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,211 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L444 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,211 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 71) no Hoare annotation was computed. [2018-12-08 16:16:40,211 INFO L444 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,211 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,211 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L444 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 567 575) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 567 575) the Hoare annotation is: true [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 567 575) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 605) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 608) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 586 614) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 586 614) the Hoare annotation is: true [2018-12-08 16:16:40,212 INFO L451 ceAbstractionStarter]: At program point L592(line 592) the Hoare annotation is: true [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point L592-1(line 592) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 586 614) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 578 585) the Hoare annotation is: true [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 578 585) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 578 585) no Hoare annotation was computed. [2018-12-08 16:16:40,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 514 525) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 514 525) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 526 534) the Hoare annotation is: true [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 526 534) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 526 534) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 352 381) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 352 381) the Hoare annotation is: true [2018-12-08 16:16:40,213 INFO L451 ceAbstractionStarter]: At program point L377(lines 352 381) the Hoare annotation is: true [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L451 ceAbstractionStarter]: At program point L366-1(lines 366 370) the Hoare annotation is: true [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L451 ceAbstractionStarter]: At program point L362-2(lines 362 376) the Hoare annotation is: true [2018-12-08 16:16:40,213 INFO L451 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2018-12-08 16:16:40,213 INFO L448 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-12-08 16:16:40,213 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 16:16:40,214 INFO L444 ceAbstractionStarter]: At program point L147(lines 147 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 16:16:40,214 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 16:16:40,214 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point L140(lines 139 158) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 490 501) the Hoare annotation is: true [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point L494-1(lines 490 501) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 490 501) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 406 412) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 406 412) the Hoare annotation is: true [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 16:16:40,214 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 342 349) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 342 349) the Hoare annotation is: true [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 342 349) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 502 513) no Hoare annotation was computed. [2018-12-08 16:16:40,214 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 502 513) no Hoare annotation was computed. [2018-12-08 16:16:40,215 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 502 513) the Hoare annotation is: true [2018-12-08 16:16:40,215 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 16:16:40,215 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 16:16:40,215 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 16:16:40,215 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 16:16:40,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:16:40 BoogieIcfgContainer [2018-12-08 16:16:40,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:16:40,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:16:40,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:16:40,223 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:16:40,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:16:38" (3/4) ... [2018-12-08 16:16:40,226 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:16:40,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:16:40,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:16:40,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:16:40,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:16:40,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 16:16:40,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:16:40,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:16:40,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:16:40,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 16:16:40,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:16:40,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:16:40,236 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 16:16:40,236 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:16:40,236 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:16:40,236 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:16:40,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:16:40,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:16:40,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:16:40,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:16:40,281 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2cf1f72f-0503-498e-bd85-dd26e02354d6/bin-2019/utaipan/witness.graphml [2018-12-08 16:16:40,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:16:40,281 INFO L168 Benchmark]: Toolchain (without parser) took 2543.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:16:40,282 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-08 16:16:40,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:16:40,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.09 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. [2018-12-08 16:16:40,283 INFO L168 Benchmark]: Boogie Preprocessor took 27.46 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. [2018-12-08 16:16:40,283 INFO L168 Benchmark]: RCFGBuilder took 318.97 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:16:40,283 INFO L168 Benchmark]: TraceAbstraction took 1823.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.4 MB). Peak memory consumption was 268.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:16:40,283 INFO L168 Benchmark]: Witness Printer took 58.27 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:16:40,284 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.09 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 27.46 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. * RCFGBuilder took 318.97 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1823.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.4 MB). Peak memory consumption was 268.8 MB. Max. memory is 11.5 GB. * Witness Printer took 58.27 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 442 SDslu, 1419 SDs, 0 SdLazy, 491 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 592 PreInvPairs, 639 NumberOfFragments, 572 HoareAnnotationTreeSize, 592 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 2131 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 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...