./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:47:36,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:47:36,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:47:36,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:47:36,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:47:36,455 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:47:36,456 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:47:36,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:47:36,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:47:36,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:47:36,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:47:36,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:47:36,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:47:36,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:47:36,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:47:36,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:47:36,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:47:36,464 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:47:36,465 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:47:36,467 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:47:36,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:47:36,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:47:36,470 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:47:36,470 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:47:36,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:47:36,471 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:47:36,472 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:47:36,473 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:47:36,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:47:36,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:47:36,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:47:36,475 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:47:36,475 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:47:36,475 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:47:36,476 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:47:36,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:47:36,476 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:47:36,486 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:47:36,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:47:36,487 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:47:36,487 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:47:36,487 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:47:36,487 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:47:36,488 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:47:36,488 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:47:36,488 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:47:36,488 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:47:36,488 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:47:36,488 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:47:36,488 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:47:36,489 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:47:36,489 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:47:36,489 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:47:36,489 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:47:36,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:47:36,490 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:47:36,490 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:47:36,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:47:36,490 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:47:36,492 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:47:36,492 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:47:36,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:47:36,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:47:36,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:47:36,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:47:36,493 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:47:36,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:47:36,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:47:36,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:47:36,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:47:36,494 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:47:36,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:47:36,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:47:36,494 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:47:36,495 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_f71087be-6b03-4e64-aab4-aa2663706c04/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-11-18 12:47:36,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:47:36,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:47:36,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:47:36,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:47:36,530 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:47:36,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-18 12:47:36,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/data/ed3c46a75/5bb6fab5150f48cfac028ba04166b29d/FLAGc15b277c3 [2018-11-18 12:47:37,004 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:47:37,004 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-18 12:47:37,011 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/data/ed3c46a75/5bb6fab5150f48cfac028ba04166b29d/FLAGc15b277c3 [2018-11-18 12:47:37,023 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/data/ed3c46a75/5bb6fab5150f48cfac028ba04166b29d [2018-11-18 12:47:37,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:47:37,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:47:37,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:37,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:47:37,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:47:37,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37, skipping insertion in model container [2018-11-18 12:47:37,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:47:37,067 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:47:37,249 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:37,257 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:47:37,364 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:37,387 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:47:37,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37 WrapperNode [2018-11-18 12:47:37,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:37,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:37,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:47:37,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:47:37,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:37,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:47:37,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:47:37,412 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:47:37,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... [2018-11-18 12:47:37,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:47:37,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:47:37,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:47:37,440 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:47:37,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:47:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:47:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 12:47:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 12:47:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:47:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:47:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:47:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:47:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:47:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 12:47:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 12:47:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:47:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:47:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:47:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:47:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 12:47:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 12:47:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 12:47:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 12:47:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:47:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:47:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:47:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:47:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:47:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:47:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:47:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:47:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:47:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:47:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:47:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:47:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:47:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:47:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:47:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:47:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:47:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:47:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:47:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:47:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:47:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:47:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:47:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:47:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:47:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:47:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 12:47:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 12:47:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:47:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:47:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:47:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:47:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:47:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:47:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:47:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:47:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:47:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:47:37,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:47:37,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:37 BoogieIcfgContainer [2018-11-18 12:47:37,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:47:37,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:47:37,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:47:37,993 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:47:37,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:47:37" (1/3) ... [2018-11-18 12:47:37,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd68d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:47:37, skipping insertion in model container [2018-11-18 12:47:37,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:37" (2/3) ... [2018-11-18 12:47:37,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd68d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:47:37, skipping insertion in model container [2018-11-18 12:47:37,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:37" (3/3) ... [2018-11-18 12:47:37,996 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-18 12:47:38,004 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:47:38,011 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:47:38,023 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:47:38,046 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:47:38,046 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:47:38,046 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:47:38,046 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:47:38,046 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:47:38,046 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:47:38,046 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:47:38,046 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:47:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-11-18 12:47:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:47:38,062 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:38,063 INFO L375 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] [2018-11-18 12:47:38,064 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:38,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:38,068 INFO L82 PathProgramCache]: Analyzing trace with hash 936831137, now seen corresponding path program 1 times [2018-11-18 12:47:38,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:38,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:38,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:38,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:38,098 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:38,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:38,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:47:38,268 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:38,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:47:38,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:47:38,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:47:38,281 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-11-18 12:47:38,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:38,312 INFO L93 Difference]: Finished difference Result 284 states and 353 transitions. [2018-11-18 12:47:38,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:47:38,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 12:47:38,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:38,324 INFO L225 Difference]: With dead ends: 284 [2018-11-18 12:47:38,324 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 12:47:38,328 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:47:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 12:47:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 12:47:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 12:47:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 168 transitions. [2018-11-18 12:47:38,366 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 168 transitions. Word has length 46 [2018-11-18 12:47:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:38,366 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 168 transitions. [2018-11-18 12:47:38,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:47:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2018-11-18 12:47:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:47:38,369 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:38,369 INFO L375 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] [2018-11-18 12:47:38,369 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:38,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:38,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2016132457, now seen corresponding path program 1 times [2018-11-18 12:47:38,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:38,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:38,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:38,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:38,371 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:38,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:38,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:47:38,474 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:38,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:47:38,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:47:38,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:47:38,477 INFO L87 Difference]: Start difference. First operand 142 states and 168 transitions. Second operand 3 states. [2018-11-18 12:47:38,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:38,497 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2018-11-18 12:47:38,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:47:38,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 12:47:38,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:38,498 INFO L225 Difference]: With dead ends: 221 [2018-11-18 12:47:38,499 INFO L226 Difference]: Without dead ends: 132 [2018-11-18 12:47:38,499 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:47:38,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-18 12:47:38,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-18 12:47:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 12:47:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-11-18 12:47:38,510 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 48 [2018-11-18 12:47:38,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:38,511 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-11-18 12:47:38,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:47:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-11-18 12:47:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:47:38,512 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:38,512 INFO L375 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] [2018-11-18 12:47:38,513 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:38,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:38,513 INFO L82 PathProgramCache]: Analyzing trace with hash -441117267, now seen corresponding path program 1 times [2018-11-18 12:47:38,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:38,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:38,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:38,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:38,514 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:38,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:38,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:47:38,620 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:38,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:47:38,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:47:38,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:47:38,621 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 7 states. [2018-11-18 12:47:39,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:39,011 INFO L93 Difference]: Finished difference Result 399 states and 486 transitions. [2018-11-18 12:47:39,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:47:39,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 12:47:39,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:39,014 INFO L225 Difference]: With dead ends: 399 [2018-11-18 12:47:39,014 INFO L226 Difference]: Without dead ends: 291 [2018-11-18 12:47:39,015 INFO L604 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 [2018-11-18 12:47:39,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-11-18 12:47:39,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2018-11-18 12:47:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-18 12:47:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 339 transitions. [2018-11-18 12:47:39,044 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 339 transitions. Word has length 53 [2018-11-18 12:47:39,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:39,044 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 339 transitions. [2018-11-18 12:47:39,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:47:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 339 transitions. [2018-11-18 12:47:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:47:39,046 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:39,046 INFO L375 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] [2018-11-18 12:47:39,047 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:39,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:39,047 INFO L82 PathProgramCache]: Analyzing trace with hash -599299214, now seen corresponding path program 1 times [2018-11-18 12:47:39,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:39,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:39,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:39,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:39,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:39,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:39,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:47:39,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:39,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:47:39,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:47:39,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:47:39,139 INFO L87 Difference]: Start difference. First operand 279 states and 339 transitions. Second operand 6 states. [2018-11-18 12:47:39,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:39,351 INFO L93 Difference]: Finished difference Result 774 states and 965 transitions. [2018-11-18 12:47:39,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:47:39,353 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 12:47:39,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:39,356 INFO L225 Difference]: With dead ends: 774 [2018-11-18 12:47:39,356 INFO L226 Difference]: Without dead ends: 519 [2018-11-18 12:47:39,358 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:47:39,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-11-18 12:47:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 513. [2018-11-18 12:47:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-11-18 12:47:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 628 transitions. [2018-11-18 12:47:39,391 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 628 transitions. Word has length 58 [2018-11-18 12:47:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:39,391 INFO L480 AbstractCegarLoop]: Abstraction has 513 states and 628 transitions. [2018-11-18 12:47:39,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:47:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 628 transitions. [2018-11-18 12:47:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:47:39,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:39,394 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:39,394 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:39,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:39,395 INFO L82 PathProgramCache]: Analyzing trace with hash -432327050, now seen corresponding path program 1 times [2018-11-18 12:47:39,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:39,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:39,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:39,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:39,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:39,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:39,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:47:39,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:39,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:47:39,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:47:39,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:47:39,488 INFO L87 Difference]: Start difference. First operand 513 states and 628 transitions. Second operand 7 states. [2018-11-18 12:47:40,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:40,152 INFO L93 Difference]: Finished difference Result 1368 states and 1781 transitions. [2018-11-18 12:47:40,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:47:40,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-18 12:47:40,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:40,156 INFO L225 Difference]: With dead ends: 1368 [2018-11-18 12:47:40,157 INFO L226 Difference]: Without dead ends: 879 [2018-11-18 12:47:40,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:47:40,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-11-18 12:47:40,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 775. [2018-11-18 12:47:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-11-18 12:47:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 937 transitions. [2018-11-18 12:47:40,197 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 937 transitions. Word has length 62 [2018-11-18 12:47:40,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:40,198 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 937 transitions. [2018-11-18 12:47:40,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:47:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 937 transitions. [2018-11-18 12:47:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:47:40,200 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:40,200 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:40,201 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:40,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:40,201 INFO L82 PathProgramCache]: Analyzing trace with hash 717394026, now seen corresponding path program 1 times [2018-11-18 12:47:40,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:40,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:40,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:40,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:40,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:47:40,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:40,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:47:40,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:40,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:47:40,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:47:40,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:47:40,285 INFO L87 Difference]: Start difference. First operand 775 states and 937 transitions. Second operand 4 states. [2018-11-18 12:47:40,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:40,482 INFO L93 Difference]: Finished difference Result 2876 states and 3688 transitions. [2018-11-18 12:47:40,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:47:40,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-11-18 12:47:40,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:40,489 INFO L225 Difference]: With dead ends: 2876 [2018-11-18 12:47:40,489 INFO L226 Difference]: Without dead ends: 2125 [2018-11-18 12:47:40,492 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:47:40,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2018-11-18 12:47:40,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2079. [2018-11-18 12:47:40,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2018-11-18 12:47:40,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2599 transitions. [2018-11-18 12:47:40,562 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2599 transitions. Word has length 100 [2018-11-18 12:47:40,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:40,562 INFO L480 AbstractCegarLoop]: Abstraction has 2079 states and 2599 transitions. [2018-11-18 12:47:40,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:47:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2599 transitions. [2018-11-18 12:47:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:47:40,566 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:40,567 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:40,567 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:40,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:40,567 INFO L82 PathProgramCache]: Analyzing trace with hash 725153385, now seen corresponding path program 1 times [2018-11-18 12:47:40,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:40,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:40,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:40,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:40,568 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:47:40,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:40,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:47:40,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:40,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:47:40,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:47:40,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:47:40,630 INFO L87 Difference]: Start difference. First operand 2079 states and 2599 transitions. Second operand 6 states. [2018-11-18 12:47:40,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:40,717 INFO L93 Difference]: Finished difference Result 4218 states and 5498 transitions. [2018-11-18 12:47:40,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:47:40,719 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-11-18 12:47:40,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:40,725 INFO L225 Difference]: With dead ends: 4218 [2018-11-18 12:47:40,725 INFO L226 Difference]: Without dead ends: 2163 [2018-11-18 12:47:40,729 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:47:40,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2163 states. [2018-11-18 12:47:40,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2163 to 2139. [2018-11-18 12:47:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2018-11-18 12:47:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2663 transitions. [2018-11-18 12:47:40,796 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2663 transitions. Word has length 100 [2018-11-18 12:47:40,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:40,797 INFO L480 AbstractCegarLoop]: Abstraction has 2139 states and 2663 transitions. [2018-11-18 12:47:40,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:47:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2663 transitions. [2018-11-18 12:47:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:47:40,799 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:40,799 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:40,799 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:40,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:40,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1618639723, now seen corresponding path program 1 times [2018-11-18 12:47:40,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:40,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:40,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:40,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:40,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:40,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:47:40,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:40,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 12:47:40,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:40,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:47:40,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:47:40,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:47:40,878 INFO L87 Difference]: Start difference. First operand 2139 states and 2663 transitions. Second operand 8 states. [2018-11-18 12:47:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:40,955 INFO L93 Difference]: Finished difference Result 3888 states and 4988 transitions. [2018-11-18 12:47:40,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:47:40,955 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-11-18 12:47:40,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:40,961 INFO L225 Difference]: With dead ends: 3888 [2018-11-18 12:47:40,961 INFO L226 Difference]: Without dead ends: 1773 [2018-11-18 12:47:40,965 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:47:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2018-11-18 12:47:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1773. [2018-11-18 12:47:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2018-11-18 12:47:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2177 transitions. [2018-11-18 12:47:41,061 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2177 transitions. Word has length 100 [2018-11-18 12:47:41,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:41,062 INFO L480 AbstractCegarLoop]: Abstraction has 1773 states and 2177 transitions. [2018-11-18 12:47:41,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:47:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2177 transitions. [2018-11-18 12:47:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:47:41,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:41,065 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:41,066 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:41,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:41,066 INFO L82 PathProgramCache]: Analyzing trace with hash 959503890, now seen corresponding path program 1 times [2018-11-18 12:47:41,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:41,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:41,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:41,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:41,067 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:47:41,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:47:41,196 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:47:41,197 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-11-18 12:47:41,199 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [72], [75], [76], [80], [81], [83], [87], [93], [97], [101], [104], [109], [112], [117], [123], [129], [137], [138], [139], [140], [141], [143], [148], [151], [152], [154], [159], [161], [162], [167], [169], [175], [179], [213], [214], [222], [230], [234], [235], [238], [240], [243], [245], [248], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [270], [277], [279], [280], [287], [288], [289], [290], [291], [292], [297], [301], [302], [303], [304], [305], [306], [309], [310], [311], [317], [318], [319], [321], [322], [323], [324], [325] [2018-11-18 12:47:41,229 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:47:41,229 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:47:41,709 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:47:41,710 INFO L272 AbstractInterpreter]: Visited 102 different actions 104 times. Never merged. Never widened. Performed 3164 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3164 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 12:47:41,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:41,740 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:47:41,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:47:41,740 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:47:41,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:41,754 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:47:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:41,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:47:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:42,021 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:47:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:47:42,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:47:42,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 12:47:42,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:42,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:47:42,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:47:42,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 12:47:42,690 INFO L87 Difference]: Start difference. First operand 1773 states and 2177 transitions. Second operand 8 states. [2018-11-18 12:47:43,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:43,083 INFO L93 Difference]: Finished difference Result 3496 states and 4310 transitions. [2018-11-18 12:47:43,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:47:43,084 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 12:47:43,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:43,089 INFO L225 Difference]: With dead ends: 3496 [2018-11-18 12:47:43,090 INFO L226 Difference]: Without dead ends: 1747 [2018-11-18 12:47:43,093 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 191 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 12:47:43,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2018-11-18 12:47:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2018-11-18 12:47:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2018-11-18 12:47:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2101 transitions. [2018-11-18 12:47:43,198 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2101 transitions. Word has length 104 [2018-11-18 12:47:43,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:43,198 INFO L480 AbstractCegarLoop]: Abstraction has 1747 states and 2101 transitions. [2018-11-18 12:47:43,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:47:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2101 transitions. [2018-11-18 12:47:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 12:47:43,203 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:43,203 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:43,203 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:43,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:43,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1739589572, now seen corresponding path program 1 times [2018-11-18 12:47:43,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:43,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:43,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:43,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:43,204 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 12:47:43,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:47:43,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:47:43,326 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-18 12:47:43,326 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [87], [93], [97], [101], [104], [107], [109], [112], [115], [117], [123], [129], [137], [138], [139], [140], [141], [143], [148], [151], [152], [154], [159], [161], [162], [167], [169], [172], [175], [179], [185], [213], [214], [217], [221], [222], [230], [234], [235], [238], [240], [243], [245], [248], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [270], [273], [274], [277], [279], [280], [281], [282], [285], [286], [287], [288], [289], [290], [291], [292], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [317], [318], [319], [321], [322], [323], [324], [325] [2018-11-18 12:47:43,330 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:47:43,330 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:47:45,136 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:47:45,136 INFO L272 AbstractInterpreter]: Visited 125 different actions 1054 times. Merged at 19 different actions 85 times. Never widened. Performed 37152 root evaluator evaluations with a maximum evaluation depth of 3. Performed 37152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 5 different actions. Largest state had 133 variables. [2018-11-18 12:47:45,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:45,146 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:47:45,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:47:45,147 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:47:45,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:45,161 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:47:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:45,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:47:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:47:45,337 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:47:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 12:47:45,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:47:45,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 12:47:45,639 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:45,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:47:45,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:47:45,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 12:47:45,640 INFO L87 Difference]: Start difference. First operand 1747 states and 2101 transitions. Second operand 8 states. [2018-11-18 12:47:45,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:45,873 INFO L93 Difference]: Finished difference Result 2981 states and 3643 transitions. [2018-11-18 12:47:45,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:47:45,874 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2018-11-18 12:47:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:45,875 INFO L225 Difference]: With dead ends: 2981 [2018-11-18 12:47:45,875 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:47:45,880 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 299 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 12:47:45,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:47:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:47:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:47:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:47:45,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-18 12:47:45,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:45,882 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:47:45,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:47:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:47:45,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:47:45,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:47:45,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:45,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:45,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:45,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:46,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:47:47,151 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2018-11-18 12:47:47,611 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2018-11-18 12:47:48,465 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-11-18 12:47:48,502 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2018-11-18 12:47:48,502 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2018-11-18 12:47:48,502 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2018-11-18 12:47:48,503 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2018-11-18 12:47:48,503 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2018-11-18 12:47:48,503 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:47:48,503 INFO L421 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:47:48,503 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:47:48,503 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-11-18 12:47:48,503 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-11-18 12:47:48,504 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:47:48,504 INFO L421 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:47:48,504 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-11-18 12:47:48,504 INFO L425 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-11-18 12:47:48,504 INFO L425 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-11-18 12:47:48,504 INFO L421 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:47:48,504 INFO L421 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2))) [2018-11-18 12:47:48,504 INFO L425 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2018-11-18 12:47:48,504 INFO L421 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-11-18 12:47:48,505 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-18 12:47:48,505 INFO L421 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-11-18 12:47:48,505 INFO L425 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2018-11-18 12:47:48,505 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2018-11-18 12:47:48,505 INFO L421 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-18 12:47:48,505 INFO L425 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2018-11-18 12:47:48,505 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2018-11-18 12:47:48,505 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2018-11-18 12:47:48,505 INFO L421 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse6) (or .cse3 .cse4) (or .cse6 .cse5 .cse4))) [2018-11-18 12:47:48,506 INFO L425 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-11-18 12:47:48,506 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (not (= ~systemActive~0 0)) .cse5)) (.cse6 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse5) (or .cse1 .cse2 .cse4) (or .cse0 .cse6 .cse7) (or .cse0 .cse5 .cse3) (or .cse7 .cse6 .cse4)))) [2018-11-18 12:47:48,506 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2018-11-18 12:47:48,506 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2018-11-18 12:47:48,506 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2018-11-18 12:47:48,506 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2018-11-18 12:47:48,506 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-18 12:47:48,506 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2018-11-18 12:47:48,506 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-11-18 12:47:48,507 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2018-11-18 12:47:48,507 INFO L428 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2018-11-18 12:47:48,507 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2018-11-18 12:47:48,507 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2018-11-18 12:47:48,508 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-11-18 12:47:48,508 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) .cse1))) [2018-11-18 12:47:48,508 INFO L425 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2018-11-18 12:47:48,508 INFO L421 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) .cse0))) [2018-11-18 12:47:48,508 INFO L421 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4) .cse3 .cse1))) [2018-11-18 12:47:48,508 INFO L425 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2018-11-18 12:47:48,508 INFO L421 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse1 .cse4))) [2018-11-18 12:47:48,508 INFO L425 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2018-11-18 12:47:48,508 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2018-11-18 12:47:48,508 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-18 12:47:48,509 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-18 12:47:48,509 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-18 12:47:48,509 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-18 12:47:48,509 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2018-11-18 12:47:48,509 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2018-11-18 12:47:48,509 INFO L425 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2018-11-18 12:47:48,509 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:47:48,509 INFO L421 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 12:47:48,509 INFO L421 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 12:47:48,510 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2018-11-18 12:47:48,510 INFO L425 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2018-11-18 12:47:48,510 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2018-11-18 12:47:48,510 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-11-18 12:47:48,510 INFO L425 ceAbstractionStarter]: For program point L878-1(lines 878 927) no Hoare annotation was computed. [2018-11-18 12:47:48,510 INFO L421 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:47:48,510 INFO L421 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-18 12:47:48,510 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-11-18 12:47:48,510 INFO L421 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 12:47:48,511 INFO L425 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2018-11-18 12:47:48,511 INFO L421 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 12:47:48,511 INFO L425 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2018-11-18 12:47:48,511 INFO L421 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 12:47:48,511 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2018-11-18 12:47:48,511 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2018-11-18 12:47:48,511 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 12:47:48,511 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2018-11-18 12:47:48,511 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2018-11-18 12:47:48,511 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:47:48,512 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 12:47:48,512 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:47:48,512 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2018-11-18 12:47:48,512 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 12:47:48,512 INFO L425 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2018-11-18 12:47:48,512 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-11-18 12:47:48,512 INFO L425 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2018-11-18 12:47:48,512 INFO L421 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-11-18 12:47:48,512 INFO L425 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-11-18 12:47:48,512 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2018-11-18 12:47:48,513 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-11-18 12:47:48,513 INFO L428 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-18 12:47:48,513 INFO L425 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2018-11-18 12:47:48,513 INFO L425 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-18 12:47:48,513 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2018-11-18 12:47:48,513 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2018-11-18 12:47:48,513 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 12:47:48,513 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (< |old(~methaneLevelCritical~0)| 1) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-18 12:47:48,513 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 12:47:48,513 INFO L421 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (= 1 ~waterLevel~0)) (.cse5 (not .cse1)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse9 (and (not .cse7) .cse6)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8) (or .cse4 .cse3 .cse5 .cse8) (or .cse0 .cse7 .cse6) (or .cse1 .cse3 .cse2 .cse8) (or .cse9 .cse0 .cse3) (or .cse9 .cse3 .cse8)))) [2018-11-18 12:47:48,514 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse7)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~systemActive~0 0)) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse4) (or .cse7 (and .cse8 .cse4) .cse1 .cse6) (or .cse0 .cse1 .cse4) (or .cse0 .cse7 .cse1 .cse8) (or .cse1 .cse3 .cse6 (and .cse2 .cse4)) (or .cse7 .cse8 .cse5 .cse6) (or .cse0 .cse7 .cse5 .cse8)))) [2018-11-18 12:47:48,514 INFO L421 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse10 (not (= ~waterLevel~0 1))) (.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse9)) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse6) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse6) (or .cse1 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse8) (or .cse0 .cse9 .cse1 .cse10) (or .cse9 .cse10 .cse1 .cse4) (or .cse8 .cse6 .cse7 .cse4 .cse5)))) [2018-11-18 12:47:48,514 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2018-11-18 12:47:48,514 INFO L421 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4) (or .cse3 .cse1 .cse0) (or .cse4 .cse2))) [2018-11-18 12:47:48,514 INFO L425 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2018-11-18 12:47:48,514 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2018-11-18 12:47:48,514 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-11-18 12:47:48,514 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-18 12:47:48,515 INFO L428 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-11-18 12:47:48,515 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 153 167) no Hoare annotation was computed. [2018-11-18 12:47:48,515 INFO L428 ceAbstractionStarter]: At program point L153-3(lines 153 167) the Hoare annotation is: true [2018-11-18 12:47:48,515 INFO L428 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-11-18 12:47:48,515 INFO L425 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-11-18 12:47:48,515 INFO L428 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-11-18 12:47:48,515 INFO L425 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-18 12:47:48,515 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-11-18 12:47:48,515 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:47:48,515 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 12:47:48,515 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 12:47:48,515 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 12:47:48,516 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-18 12:47:48,516 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 12:47:48,516 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 12:47:48,516 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-11-18 12:47:48,516 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-11-18 12:47:48,516 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:47:48,516 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-18 12:47:48,516 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:47:48,516 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:47:48,516 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-11-18 12:47:48,516 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2018-11-18 12:47:48,517 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-11-18 12:47:48,517 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 12:47:48,517 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 12:47:48,517 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse1))) [2018-11-18 12:47:48,517 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2018-11-18 12:47:48,517 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2018-11-18 12:47:48,517 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2018-11-18 12:47:48,517 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2018-11-18 12:47:48,517 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2018-11-18 12:47:48,517 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2018-11-18 12:47:48,518 INFO L421 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (< ~methaneLevelCritical~0 1) .cse1))) [2018-11-18 12:47:48,518 INFO L425 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2018-11-18 12:47:48,518 INFO L421 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-18 12:47:48,518 INFO L425 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2018-11-18 12:47:48,518 INFO L425 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2018-11-18 12:47:48,518 INFO L425 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2018-11-18 12:47:48,518 INFO L428 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2018-11-18 12:47:48,518 INFO L425 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2018-11-18 12:47:48,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:47:48 BoogieIcfgContainer [2018-11-18 12:47:48,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:47:48,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:47:48,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:47:48,529 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:47:48,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:37" (3/4) ... [2018-11-18 12:47:48,532 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:47:48,537 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:47:48,537 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:47:48,537 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:47:48,537 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:47:48,537 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 12:47:48,538 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:47:48,539 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:47:48,540 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:47:48,540 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:47:48,540 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:47:48,540 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:47:48,547 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 12:47:48,547 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:47:48,547 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:47:48,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:47:48,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:47:48,603 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f71087be-6b03-4e64-aab4-aa2663706c04/bin-2019/utaipan/witness.graphml [2018-11-18 12:47:48,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:47:48,604 INFO L168 Benchmark]: Toolchain (without parser) took 11578.86 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 697.3 MB). Free memory was 956.4 MB in the beginning and 902.5 MB in the end (delta: 54.0 MB). Peak memory consumption was 751.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:48,604 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:47:48,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:48,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:47:48,605 INFO L168 Benchmark]: Boogie Preprocessor took 27.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:48,605 INFO L168 Benchmark]: RCFGBuilder took 550.28 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: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:48,605 INFO L168 Benchmark]: TraceAbstraction took 10537.41 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 542.6 MB). Free memory was 1.1 GB in the beginning and 918.5 MB in the end (delta: 153.0 MB). Peak memory consumption was 695.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:48,606 INFO L168 Benchmark]: Witness Printer took 74.47 ms. Allocated memory is still 1.7 GB. Free memory was 918.5 MB in the beginning and 902.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:48,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 550.28 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: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10537.41 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 542.6 MB). Free memory was 1.1 GB in the beginning and 918.5 MB in the end (delta: 153.0 MB). Peak memory consumption was 695.6 MB. Max. memory is 11.5 GB. * Witness Printer took 74.47 ms. Allocated memory is still 1.7 GB. Free memory was 918.5 MB in the beginning and 902.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 155 locations, 1 error locations. SAFE Result, 10.4s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1959 SDtfs, 1058 SDslu, 4753 SDs, 0 SdLazy, 1446 SolverSat, 197 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 622 GetRequests, 523 SyntacticMatches, 13 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2139occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 192 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4398 PreInvPairs, 4655 NumberOfFragments, 1810 HoareAnnotationTreeSize, 4398 FomulaSimplifications, 4311 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14133 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1089 NumberOfCodeBlocks, 1089 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1336 ConstructedInterpolants, 0 QuantifiedInterpolants, 230559 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1474 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 160/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...