./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_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_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/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 17a573274f1db5e4aeb22956c61c459b952d0c5d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:23:43,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:23:43,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:23:43,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:23:43,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:23:43,186 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:23:43,187 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:23:43,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:23:43,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:23:43,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:23:43,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:23:43,189 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:23:43,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:23:43,190 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:23:43,191 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:23:43,191 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:23:43,192 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:23:43,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:23:43,193 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:23:43,194 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:23:43,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:23:43,195 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:23:43,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:23:43,197 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:23:43,197 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:23:43,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:23:43,198 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:23:43,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:23:43,199 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:23:43,199 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:23:43,199 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:23:43,200 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:23:43,200 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:23:43,200 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:23:43,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:23:43,201 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:23:43,201 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:23:43,208 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:23:43,208 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:23:43,209 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:23:43,209 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:23:43,209 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:23:43,209 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:23:43,210 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:23:43,210 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:23:43,210 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:23:43,210 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:23:43,210 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:23:43,210 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:23:43,210 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:23:43,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:23:43,211 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:23:43,211 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:23:43,211 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:23:43,211 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:23:43,211 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:23:43,212 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:23:43,212 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:23:43,212 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:23:43,212 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:23:43,212 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:23:43,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:23:43,212 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:23:43,212 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:23:43,213 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:23:43,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:23:43,213 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:23:43,213 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:23:43,213 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:23:43,213 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:23:43,213 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:23:43,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:23:43,214 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:23:43,214 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_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2018-12-09 16:23:43,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:23:43,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:23:43,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:23:43,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:23:43,245 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:23:43,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-12-09 16:23:43,281 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/data/d8988c32a/454b77dd490a405fbb40f546b7895db6/FLAG04ab006b4 [2018-12-09 16:23:43,750 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:23:43,750 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-12-09 16:23:43,757 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/data/d8988c32a/454b77dd490a405fbb40f546b7895db6/FLAG04ab006b4 [2018-12-09 16:23:44,265 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/data/d8988c32a/454b77dd490a405fbb40f546b7895db6 [2018-12-09 16:23:44,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:23:44,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:23:44,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:23:44,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:23:44,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:23:44,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44, skipping insertion in model container [2018-12-09 16:23:44,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:23:44,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:23:44,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:23:44,478 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:23:44,528 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:23:44,542 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:23:44,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44 WrapperNode [2018-12-09 16:23:44,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:23:44,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:23:44,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:23:44,543 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:23:44,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:23:44,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:23:44,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:23:44,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:23:44,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... [2018-12-09 16:23:44,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:23:44,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:23:44,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:23:44,583 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:23:44,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/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 [2018-12-09 16:23:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 16:23:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 16:23:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:23:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:23:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 16:23:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 16:23:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 16:23:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 16:23:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 16:23:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 16:23:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 16:23:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 16:23:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 16:23:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 16:23:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 16:23:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 16:23:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 16:23:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 16:23:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 16:23:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 16:23:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 16:23:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 16:23:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 16:23:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 16:23:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 16:23:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 16:23:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 16:23:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 16:23:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 16:23:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 16:23:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 16:23:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 16:23:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 16:23:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 16:23:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 16:23:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 16:23:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 16:23:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 16:23:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 16:23:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:23:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:23:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 16:23:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 16:23:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 16:23:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 16:23:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:23:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:23:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 16:23:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 16:23:44,901 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:23:44,901 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 16:23:44,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:23:44 BoogieIcfgContainer [2018-12-09 16:23:44,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:23:44,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:23:44,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:23:44,904 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:23:44,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:23:44" (1/3) ... [2018-12-09 16:23:44,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12424d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:23:44, skipping insertion in model container [2018-12-09 16:23:44,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:23:44" (2/3) ... [2018-12-09 16:23:44,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12424d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:23:44, skipping insertion in model container [2018-12-09 16:23:44,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:23:44" (3/3) ... [2018-12-09 16:23:44,906 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-12-09 16:23:44,912 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:23:44,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:23:44,930 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:23:44,948 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:23:44,948 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:23:44,949 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:23:44,949 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:23:44,949 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:23:44,949 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:23:44,949 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:23:44,949 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:23:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-12-09 16:23:44,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 16:23:44,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:23:44,969 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] [2018-12-09 16:23:44,971 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:23:44,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:23:44,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1944006868, now seen corresponding path program 1 times [2018-12-09 16:23:44,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:23:45,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:23:45,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:23:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:23:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:23:45,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:23:45,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:23:45,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:23:45,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:23:45,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:23:45,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:23:45,126 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-12-09 16:23:45,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:23:45,148 INFO L93 Difference]: Finished difference Result 258 states and 323 transitions. [2018-12-09 16:23:45,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:23:45,149 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 16:23:45,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:23:45,157 INFO L225 Difference]: With dead ends: 258 [2018-12-09 16:23:45,157 INFO L226 Difference]: Without dead ends: 129 [2018-12-09 16:23:45,159 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 [2018-12-09 16:23:45,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-09 16:23:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-09 16:23:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-09 16:23:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2018-12-09 16:23:45,191 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2018-12-09 16:23:45,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:23:45,192 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2018-12-09 16:23:45,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:23:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2018-12-09 16:23:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:23:45,194 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:23:45,194 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] [2018-12-09 16:23:45,194 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:23:45,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:23:45,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1130977534, now seen corresponding path program 1 times [2018-12-09 16:23:45,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:23:45,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:23:45,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:23:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:23:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:23:45,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:23:45,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:23:45,249 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:23:45,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:23:45,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:23:45,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:23:45,250 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 3 states. [2018-12-09 16:23:45,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:23:45,262 INFO L93 Difference]: Finished difference Result 197 states and 233 transitions. [2018-12-09 16:23:45,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:23:45,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 16:23:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:23:45,263 INFO L225 Difference]: With dead ends: 197 [2018-12-09 16:23:45,263 INFO L226 Difference]: Without dead ends: 120 [2018-12-09 16:23:45,264 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 [2018-12-09 16:23:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-09 16:23:45,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-09 16:23:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-09 16:23:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2018-12-09 16:23:45,271 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2018-12-09 16:23:45,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:23:45,272 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2018-12-09 16:23:45,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:23:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2018-12-09 16:23:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 16:23:45,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:23:45,273 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] [2018-12-09 16:23:45,273 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:23:45,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:23:45,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1646898493, now seen corresponding path program 1 times [2018-12-09 16:23:45,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:23:45,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:23:45,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:23:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:23:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:23:45,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:23:45,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:23:45,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:23:45,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:23:45,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:23:45,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:23:45,346 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 7 states. [2018-12-09 16:23:45,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:23:45,635 INFO L93 Difference]: Finished difference Result 362 states and 443 transitions. [2018-12-09 16:23:45,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:23:45,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 16:23:45,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:23:45,638 INFO L225 Difference]: With dead ends: 362 [2018-12-09 16:23:45,638 INFO L226 Difference]: Without dead ends: 266 [2018-12-09 16:23:45,639 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 [2018-12-09 16:23:45,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-09 16:23:45,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 254. [2018-12-09 16:23:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-12-09 16:23:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 310 transitions. [2018-12-09 16:23:45,667 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 310 transitions. Word has length 52 [2018-12-09 16:23:45,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:23:45,668 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 310 transitions. [2018-12-09 16:23:45,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:23:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 310 transitions. [2018-12-09 16:23:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 16:23:45,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:23:45,670 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] [2018-12-09 16:23:45,670 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:23:45,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:23:45,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1093337685, now seen corresponding path program 1 times [2018-12-09 16:23:45,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:23:45,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:23:45,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:23:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:23:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:23:45,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:23:45,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:23:45,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:23:45,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:23:45,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:23:45,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:23:45,743 INFO L87 Difference]: Start difference. First operand 254 states and 310 transitions. Second operand 6 states. [2018-12-09 16:23:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:23:45,868 INFO L93 Difference]: Finished difference Result 699 states and 878 transitions. [2018-12-09 16:23:45,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:23:45,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 16:23:45,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:23:45,871 INFO L225 Difference]: With dead ends: 699 [2018-12-09 16:23:45,871 INFO L226 Difference]: Without dead ends: 469 [2018-12-09 16:23:45,872 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 [2018-12-09 16:23:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-12-09 16:23:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 463. [2018-12-09 16:23:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-12-09 16:23:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 570 transitions. [2018-12-09 16:23:45,897 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 570 transitions. Word has length 57 [2018-12-09 16:23:45,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:23:45,897 INFO L480 AbstractCegarLoop]: Abstraction has 463 states and 570 transitions. [2018-12-09 16:23:45,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:23:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 570 transitions. [2018-12-09 16:23:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 16:23:45,899 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:23:45,899 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] [2018-12-09 16:23:45,899 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:23:45,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:23:45,899 INFO L82 PathProgramCache]: Analyzing trace with hash 2086191983, now seen corresponding path program 1 times [2018-12-09 16:23:45,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:23:45,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:23:45,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:23:45,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:23:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:23:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:23:45,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:23:45,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:23:45,950 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:23:45,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:23:45,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:23:45,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:23:45,951 INFO L87 Difference]: Start difference. First operand 463 states and 570 transitions. Second operand 7 states. [2018-12-09 16:23:46,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:23:46,133 INFO L93 Difference]: Finished difference Result 757 states and 956 transitions. [2018-12-09 16:23:46,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:23:46,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 16:23:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:23:46,134 INFO L225 Difference]: With dead ends: 757 [2018-12-09 16:23:46,134 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:23:46,137 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 [2018-12-09 16:23:46,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:23:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:23:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:23:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:23:46,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-09 16:23:46,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:23:46,138 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:23:46,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:23:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:23:46,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:23:46,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:23:46,760 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2018-12-09 16:23:46,760 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2018-12-09 16:23:46,760 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2018-12-09 16:23:46,760 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2018-12-09 16:23:46,760 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 940 948) no Hoare annotation was computed. [2018-12-09 16:23:46,760 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 688 710) 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))) [2018-12-09 16:23:46,760 INFO L444 ceAbstractionStarter]: At program point L700(line 700) 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))) [2018-12-09 16:23:46,761 INFO L444 ceAbstractionStarter]: At program point L700-1(line 700) 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))) [2018-12-09 16:23:46,761 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 705) no Hoare annotation was computed. [2018-12-09 16:23:46,761 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2018-12-09 16:23:46,761 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2018-12-09 16:23:46,761 INFO L448 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2018-12-09 16:23:46,761 INFO L444 ceAbstractionStarter]: At program point L695(line 695) 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))) [2018-12-09 16:23:46,761 INFO L444 ceAbstractionStarter]: At program point L694(line 694) 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))) [2018-12-09 16:23:46,761 INFO L444 ceAbstractionStarter]: At program point L694-1(line 694) 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))) [2018-12-09 16:23:46,761 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 688 710) no Hoare annotation was computed. [2018-12-09 16:23:46,762 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 16:23:46,762 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-12-09 16:23:46,762 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-12-09 16:23:46,762 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) 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))))) [2018-12-09 16:23:46,762 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2018-12-09 16:23:46,763 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2018-12-09 16:23:46,764 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 675 684) 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))) [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L451 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L444 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 16:23:46,764 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 16:23:46,764 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-12-09 16:23:46,764 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-12-09 16:23:46,765 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2018-12-09 16:23:46,765 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2018-12-09 16:23:46,765 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 543 610) 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))) [2018-12-09 16:23:46,765 INFO L444 ceAbstractionStarter]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:23:46,765 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2018-12-09 16:23:46,765 INFO L444 ceAbstractionStarter]: At program point L593(line 593) 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))) [2018-12-09 16:23:46,765 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 597) no Hoare annotation was computed. [2018-12-09 16:23:46,765 INFO L444 ceAbstractionStarter]: At program point L591-1(lines 583 598) 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))) [2018-12-09 16:23:46,765 INFO L448 ceAbstractionStarter]: For program point L554(lines 553 602) no Hoare annotation was computed. [2018-12-09 16:23:46,765 INFO L444 ceAbstractionStarter]: At program point L585(line 585) 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))) [2018-12-09 16:23:46,765 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 598) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L444 ceAbstractionStarter]: At program point L575(line 575) 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))) [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L444 ceAbstractionStarter]: At program point L600(lines 553 602) 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))) [2018-12-09 16:23:46,766 INFO L444 ceAbstractionStarter]: At program point L565(line 565) 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))) [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-12-09 16:23:46,766 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-12-09 16:23:46,766 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L451 ceAbstractionStarter]: At program point L638(lines 613 642) the Hoare annotation is: true [2018-12-09 16:23:46,767 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 631) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L451 ceAbstractionStarter]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2018-12-09 16:23:46,767 INFO L448 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2018-12-09 16:23:46,767 INFO L451 ceAbstractionStarter]: At program point L623-2(lines 623 637) the Hoare annotation is: true [2018-12-09 16:23:46,768 INFO L451 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: true [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point L619-1(line 619) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L444 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 16:23:46,768 INFO L444 ceAbstractionStarter]: At program point L728(lines 728 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 16:23:46,768 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point L721(lines 720 739) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-12-09 16:23:46,768 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 16:23:46,769 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: true [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 906 913) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 525) no Hoare annotation was computed. [2018-12-09 16:23:46,769 INFO L448 ceAbstractionStarter]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2018-12-09 16:23:46,770 INFO L451 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2018-12-09 16:23:46,770 INFO L448 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-12-09 16:23:46,770 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2018-12-09 16:23:46,770 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2018-12-09 16:23:46,770 INFO L444 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 16:23:46,770 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 522) no Hoare annotation was computed. [2018-12-09 16:23:46,770 INFO L444 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 16:23:46,770 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 16:23:46,770 INFO L448 ceAbstractionStarter]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2018-12-09 16:23:46,770 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2018-12-09 16:23:46,770 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 16:23:46,771 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 16:23:46,771 INFO L444 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 16:23:46,771 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 765) no Hoare annotation was computed. [2018-12-09 16:23:46,771 INFO L444 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 16:23:46,771 INFO L448 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2018-12-09 16:23:46,771 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 770) no Hoare annotation was computed. [2018-12-09 16:23:46,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:23:46 BoogieIcfgContainer [2018-12-09 16:23:46,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:23:46,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:23:46,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:23:46,781 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:23:46,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:23:44" (3/4) ... [2018-12-09 16:23:46,784 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 16:23:46,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 16:23:46,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 16:23:46,795 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 16:23:46,795 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 16:23:46,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 16:23:46,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 16:23:46,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 16:23:46,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 16:23:46,816 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 16:23:46,817 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 16:23:46,849 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a5a7631-3f05-4cfa-bc76-1e7672368f6e/bin-2019/utaipan/witness.graphml [2018-12-09 16:23:46,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:23:46,849 INFO L168 Benchmark]: Toolchain (without parser) took 2581.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -56.2 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:23:46,850 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:23:46,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 61.9 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -94.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:23:46,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:23:46,851 INFO L168 Benchmark]: Boogie Preprocessor took 20.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:23:46,851 INFO L168 Benchmark]: RCFGBuilder took 318.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.5 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:23:46,851 INFO L168 Benchmark]: TraceAbstraction took 1878.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 113.8 MB). Free memory was 994.5 MB in the beginning and 1.0 GB in the end (delta: -26.7 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:23:46,851 INFO L168 Benchmark]: Witness Printer took 68.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:23:46,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 61.9 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -94.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 318.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.5 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1878.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 113.8 MB). Free memory was 994.5 MB in the beginning and 1.0 GB in the end (delta: -26.7 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 553]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 719 SDtfs, 492 SDslu, 1303 SDs, 0 SdLazy, 472 SolverSat, 127 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=463occurred 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, 61 LocationsWithAnnotation, 590 PreInvPairs, 637 NumberOfFragments, 548 HoareAnnotationTreeSize, 590 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2103 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25848 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...