./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_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_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:51:17,388 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:51:17,389 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:51:17,394 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:51:17,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:51:17,395 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:51:17,396 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:51:17,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:51:17,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:51:17,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:51:17,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:51:17,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:51:17,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:51:17,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:51:17,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:51:17,402 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:51:17,403 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:51:17,404 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:51:17,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:51:17,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:51:17,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:51:17,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:51:17,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:51:17,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:51:17,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:51:17,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:51:17,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:51:17,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:51:17,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:51:17,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:51:17,413 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:51:17,414 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:51:17,414 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:51:17,414 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:51:17,414 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:51:17,415 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:51:17,415 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:51:17,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:51:17,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:51:17,422 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:51:17,422 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:51:17,422 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:51:17,422 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:51:17,422 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:51:17,423 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:51:17,423 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:51:17,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:51:17,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:51:17,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:51:17,425 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:51:17,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:51:17,425 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:51:17,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:51:17,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:51:17,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:51:17,425 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_a476be6e-18b6-43d1-9880-5aa7f8617f4b/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2018-12-08 16:51:17,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:51:17,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:51:17,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:51:17,452 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:51:17,453 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:51:17,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-12-08 16:51:17,490 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/data/870061c2b/e84663342a634c6cb5a7404afe65f676/FLAG505358cc2 [2018-12-08 16:51:17,897 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:51:17,897 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-12-08 16:51:17,903 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/data/870061c2b/e84663342a634c6cb5a7404afe65f676/FLAG505358cc2 [2018-12-08 16:51:18,234 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/data/870061c2b/e84663342a634c6cb5a7404afe65f676 [2018-12-08 16:51:18,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:51:18,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:51:18,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:51:18,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:51:18,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:51:18,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426424a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18, skipping insertion in model container [2018-12-08 16:51:18,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:51:18,282 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:51:18,437 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:51:18,476 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:51:18,515 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:51:18,528 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:51:18,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18 WrapperNode [2018-12-08 16:51:18,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:51:18,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:51:18,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:51:18,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:51:18,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:51:18,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:51:18,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:51:18,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:51:18,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... [2018-12-08 16:51:18,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:51:18,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:51:18,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:51:18,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:51:18,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/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 16:51:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:51:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:51:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:51:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:51:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 16:51:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 16:51:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:51:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:51:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:51:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:51:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:51:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:51:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:51:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:51:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:51:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 16:51:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 16:51:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:51:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:51:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:51:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:51:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:51:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:51:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:51:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:51:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:51:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:51:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:51:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:51:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:51:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:51:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:51:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:51:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:51:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:51:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:51:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:51:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:51:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:51:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:51:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:51:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:51:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:51:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:51:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:51:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:51:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:51:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:51:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:51:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:51:18,887 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:51:18,887 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:51:18,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:51:18 BoogieIcfgContainer [2018-12-08 16:51:18,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:51:18,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:51:18,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:51:18,890 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:51:18,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:51:18" (1/3) ... [2018-12-08 16:51:18,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624cf982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:51:18, skipping insertion in model container [2018-12-08 16:51:18,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:18" (2/3) ... [2018-12-08 16:51:18,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624cf982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:51:18, skipping insertion in model container [2018-12-08 16:51:18,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:51:18" (3/3) ... [2018-12-08 16:51:18,892 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-12-08 16:51:18,898 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:51:18,903 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:51:18,912 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:51:18,931 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:51:18,931 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:51:18,931 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:51:18,931 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:51:18,931 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:51:18,931 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:51:18,931 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:51:18,931 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:51:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-08 16:51:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:51:18,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:18,948 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 16:51:18,949 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:18,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:18,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1388108426, now seen corresponding path program 1 times [2018-12-08 16:51:18,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:18,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:18,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:18,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:18,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:51:19,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:51:19,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:51:19,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:19,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:51:19,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:51:19,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:51:19,126 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-12-08 16:51:19,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:19,147 INFO L93 Difference]: Finished difference Result 214 states and 267 transitions. [2018-12-08 16:51:19,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:51:19,148 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 16:51:19,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:19,155 INFO L225 Difference]: With dead ends: 214 [2018-12-08 16:51:19,155 INFO L226 Difference]: Without dead ends: 109 [2018-12-08 16:51:19,157 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 16:51:19,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-08 16:51:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-08 16:51:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-08 16:51:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2018-12-08 16:51:19,185 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2018-12-08 16:51:19,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:19,186 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2018-12-08 16:51:19,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:51:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2018-12-08 16:51:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:51:19,188 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:19,188 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 16:51:19,188 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:19,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:19,188 INFO L82 PathProgramCache]: Analyzing trace with hash -908452588, now seen corresponding path program 1 times [2018-12-08 16:51:19,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:19,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:19,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:19,241 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 16:51:19,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:51:19,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:51:19,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:19,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:51:19,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:51:19,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:51:19,242 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2018-12-08 16:51:19,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:19,256 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-12-08 16:51:19,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:51:19,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 16:51:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:19,258 INFO L225 Difference]: With dead ends: 163 [2018-12-08 16:51:19,258 INFO L226 Difference]: Without dead ends: 100 [2018-12-08 16:51:19,259 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 16:51:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-08 16:51:19,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-08 16:51:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-08 16:51:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-12-08 16:51:19,265 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2018-12-08 16:51:19,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:19,265 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-12-08 16:51:19,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:51:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-12-08 16:51:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:51:19,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:19,266 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:51:19,266 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:19,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:19,267 INFO L82 PathProgramCache]: Analyzing trace with hash -802266006, now seen corresponding path program 1 times [2018-12-08 16:51:19,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:19,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:19,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:19,331 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 16:51:19,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:51:19,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:51:19,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:19,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:51:19,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:51:19,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:51:19,332 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2018-12-08 16:51:19,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:19,455 INFO L93 Difference]: Finished difference Result 172 states and 203 transitions. [2018-12-08 16:51:19,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:51:19,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 16:51:19,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:19,456 INFO L225 Difference]: With dead ends: 172 [2018-12-08 16:51:19,456 INFO L226 Difference]: Without dead ends: 100 [2018-12-08 16:51:19,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:51:19,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-08 16:51:19,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-08 16:51:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-08 16:51:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-12-08 16:51:19,463 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2018-12-08 16:51:19,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:19,463 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-12-08 16:51:19,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:51:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-12-08 16:51:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 16:51:19,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:19,464 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:51:19,464 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:19,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:19,465 INFO L82 PathProgramCache]: Analyzing trace with hash 909553335, now seen corresponding path program 1 times [2018-12-08 16:51:19,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:19,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:19,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,466 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:19,526 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 16:51:19,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:51:19,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:51:19,527 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:19,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:51:19,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:51:19,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:51:19,528 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 6 states. [2018-12-08 16:51:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:19,645 INFO L93 Difference]: Finished difference Result 236 states and 281 transitions. [2018-12-08 16:51:19,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:51:19,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-08 16:51:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:19,648 INFO L225 Difference]: With dead ends: 236 [2018-12-08 16:51:19,648 INFO L226 Difference]: Without dead ends: 164 [2018-12-08 16:51:19,648 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 16:51:19,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-12-08 16:51:19,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2018-12-08 16:51:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-12-08 16:51:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2018-12-08 16:51:19,665 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2018-12-08 16:51:19,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:19,665 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2018-12-08 16:51:19,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:51:19,665 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2018-12-08 16:51:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 16:51:19,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:19,667 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:51:19,667 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:19,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:19,668 INFO L82 PathProgramCache]: Analyzing trace with hash -2090651533, now seen corresponding path program 1 times [2018-12-08 16:51:19,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:19,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:19,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:19,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:19,738 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 16:51:19,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:51:19,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:51:19,738 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:19,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:51:19,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:51:19,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:51:19,739 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 7 states. [2018-12-08 16:51:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:19,906 INFO L93 Difference]: Finished difference Result 250 states and 299 transitions. [2018-12-08 16:51:19,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:51:19,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-12-08 16:51:19,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:19,907 INFO L225 Difference]: With dead ends: 250 [2018-12-08 16:51:19,907 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:51:19,908 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 16:51:19,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:51:19,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:51:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:51:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:51:19,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-12-08 16:51:19,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:19,910 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:51:19,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:51:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:51:19,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:51:19,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:51:20,323 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 276 283) the Hoare annotation is: true [2018-12-08 16:51:20,324 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2018-12-08 16:51:20,324 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 276 283) no Hoare annotation was computed. [2018-12-08 16:51:20,324 INFO L444 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,324 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,324 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2018-12-08 16:51:20,324 INFO L444 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,324 INFO L448 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-12-08 16:51:20,324 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 264) no Hoare annotation was computed. [2018-12-08 16:51:20,324 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 243 267) no Hoare annotation was computed. [2018-12-08 16:51:20,324 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 243 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,324 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,324 INFO L448 ceAbstractionStarter]: For program point L262-1(lines 243 267) no Hoare annotation was computed. [2018-12-08 16:51:20,325 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 381 387) the Hoare annotation is: true [2018-12-08 16:51:20,325 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 381 387) no Hoare annotation was computed. [2018-12-08 16:51:20,325 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 235 241) no Hoare annotation was computed. [2018-12-08 16:51:20,325 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 235 241) the Hoare annotation is: true [2018-12-08 16:51:20,325 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 388 396) no Hoare annotation was computed. [2018-12-08 16:51:20,325 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 388 396) the Hoare annotation is: true [2018-12-08 16:51:20,325 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 388 396) no Hoare annotation was computed. [2018-12-08 16:51:20,325 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 138 201) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,325 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 188) no Hoare annotation was computed. [2018-12-08 16:51:20,325 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 138 201) no Hoare annotation was computed. [2018-12-08 16:51:20,325 INFO L444 ceAbstractionStarter]: At program point L184-2(lines 178 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:51:20,325 INFO L448 ceAbstractionStarter]: For program point L149(lines 148 193) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 189) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:51:20,326 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 174) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:51:20,326 INFO L444 ceAbstractionStarter]: At program point L191(lines 148 193) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:51:20,326 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L448 ceAbstractionStarter]: For program point L150(lines 150 154) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 138 201) no Hoare annotation was computed. [2018-12-08 16:51:20,326 INFO L444 ceAbstractionStarter]: At program point L194(lines 147 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,327 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,327 INFO L444 ceAbstractionStarter]: At program point L897-1(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,327 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 902) no Hoare annotation was computed. [2018-12-08 16:51:20,327 INFO L448 ceAbstractionStarter]: For program point L895-1(lines 895 902) no Hoare annotation was computed. [2018-12-08 16:51:20,327 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 885 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,327 INFO L448 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2018-12-08 16:51:20,327 INFO L444 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,327 INFO L444 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,327 INFO L444 ceAbstractionStarter]: At program point L891-1(line 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,327 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 885 907) no Hoare annotation was computed. [2018-12-08 16:51:20,327 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 885 907) no Hoare annotation was computed. [2018-12-08 16:51:20,327 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 295 303) no Hoare annotation was computed. [2018-12-08 16:51:20,327 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 295 303) the Hoare annotation is: true [2018-12-08 16:51:20,327 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 295 303) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L444 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 801) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 804) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L444 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point L790(lines 790 807) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point L790-1(lines 782 810) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L451 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 782 810) the Hoare annotation is: true [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 782 810) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 774 781) the Hoare annotation is: true [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 774 781) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 774 781) no Hoare annotation was computed. [2018-12-08 16:51:20,328 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 353) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L451 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: true [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point L349-2(lines 349 353) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point L347-1(line 347) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 340 358) the Hoare annotation is: true [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 340 358) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 340 358) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 813 842) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 813 842) the Hoare annotation is: true [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point L827(lines 827 831) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L451 ceAbstractionStarter]: At program point L827-1(lines 827 831) the Hoare annotation is: true [2018-12-08 16:51:20,329 INFO L448 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-12-08 16:51:20,329 INFO L451 ceAbstractionStarter]: At program point L823-2(lines 823 837) the Hoare annotation is: true [2018-12-08 16:51:20,329 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L451 ceAbstractionStarter]: At program point L838(lines 813 842) the Hoare annotation is: true [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,330 INFO L444 ceAbstractionStarter]: At program point L222(lines 222 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,330 INFO L444 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point L215(lines 214 233) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 211 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 211 234) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 211 234) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 374 380) no Hoare annotation was computed. [2018-12-08 16:51:20,330 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 374 380) the Hoare annotation is: true [2018-12-08 16:51:20,330 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 867 873) no Hoare annotation was computed. [2018-12-08 16:51:20,331 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 867 873) the Hoare annotation is: true [2018-12-08 16:51:20,331 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:51:20,331 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 16:51:20,331 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:51:20,331 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:51:20,331 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-08 16:51:20,331 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-08 16:51:20,331 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-12-08 16:51:20,331 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 398 405) no Hoare annotation was computed. [2018-12-08 16:51:20,331 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 398 405) the Hoare annotation is: true [2018-12-08 16:51:20,331 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2018-12-08 16:51:20,332 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 398 405) no Hoare annotation was computed. [2018-12-08 16:51:20,332 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 874 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,332 INFO L444 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:51:20,332 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 874 884) no Hoare annotation was computed. [2018-12-08 16:51:20,332 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 874 884) no Hoare annotation was computed. [2018-12-08 16:51:20,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:51:20 BoogieIcfgContainer [2018-12-08 16:51:20,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:51:20,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:51:20,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:51:20,341 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:51:20,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:51:18" (3/4) ... [2018-12-08 16:51:20,344 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 16:51:20,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:51:20,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:51:20,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 16:51:20,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:51:20,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:51:20,354 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:51:20,354 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:51:20,354 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:51:20,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-08 16:51:20,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:51:20,394 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a476be6e-18b6-43d1-9880-5aa7f8617f4b/bin-2019/utaipan/witness.graphml [2018-12-08 16:51:20,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:51:20,395 INFO L168 Benchmark]: Toolchain (without parser) took 2154.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:51:20,396 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:51:20,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:51:20,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.31 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 16:51:20,397 INFO L168 Benchmark]: Boogie Preprocessor took 20.11 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 16:51:20,397 INFO L168 Benchmark]: RCFGBuilder took 318.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:51:20,397 INFO L168 Benchmark]: TraceAbstraction took 1451.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.3 MB). Peak memory consumption was 276.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:51:20,397 INFO L168 Benchmark]: Witness Printer took 53.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:51:20,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.31 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 20.11 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 318.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1451.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.3 MB). Peak memory consumption was 276.5 MB. Max. memory is 11.5 GB. * Witness Printer took 53.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 402]: 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: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 263 SDslu, 859 SDs, 0 SdLazy, 316 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 225 PreInvPairs, 238 NumberOfFragments, 449 HoareAnnotationTreeSize, 225 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 736 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 30424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...