./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_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_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/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 d3ebf7e0857ea2577a0261191567e6475555f928 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:25:40,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:25:40,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:25:40,385 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:25:40,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:25:40,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:25:40,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:25:40,388 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:25:40,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:25:40,390 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:25:40,391 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:25:40,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:25:40,392 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:25:40,393 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:25:40,394 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:25:40,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:25:40,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:25:40,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:25:40,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:25:40,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:25:40,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:25:40,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:25:40,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:25:40,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:25:40,405 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:25:40,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:25:40,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:25:40,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:25:40,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:25:40,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:25:40,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:25:40,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:25:40,410 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:25:40,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:25:40,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:25:40,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:25:40,412 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:25:40,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:25:40,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:25:40,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:25:40,425 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:25:40,425 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:25:40,425 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:25:40,425 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:25:40,425 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:25:40,425 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:25:40,425 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:25:40,425 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:25:40,426 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:25:40,426 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:25:40,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:25:40,428 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:25:40,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:25:40,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:25:40,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:25:40,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:25:40,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:25:40,429 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:25:40,429 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:25:40,429 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:25:40,429 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:25:40,429 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:25:40,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:25:40,429 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:25:40,430 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:25:40,430 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:25:40,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:25:40,430 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:25:40,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:25:40,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:25:40,430 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:25:40,431 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:25:40,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:25:40,431 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:25:40,431 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_542b8861-62d2-48a4-8f02-5be41aa81414/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-11-18 15:25:40,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:25:40,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:25:40,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:25:40,474 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:25:40,474 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:25:40,475 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-18 15:25:40,513 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/data/113904464/ccde29e8986a45b9aba6891eac3057e9/FLAG5873719a0 [2018-11-18 15:25:40,915 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:25:40,915 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-18 15:25:40,926 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/data/113904464/ccde29e8986a45b9aba6891eac3057e9/FLAG5873719a0 [2018-11-18 15:25:41,274 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/data/113904464/ccde29e8986a45b9aba6891eac3057e9 [2018-11-18 15:25:41,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:25:41,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:25:41,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:25:41,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:25:41,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:25:41,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc90172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41, skipping insertion in model container [2018-11-18 15:25:41,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:25:41,332 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:25:41,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:25:41,572 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:25:41,638 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:25:41,661 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:25:41,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41 WrapperNode [2018-11-18 15:25:41,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:25:41,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:25:41,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:25:41,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:25:41,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:25:41,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:25:41,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:25:41,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:25:41,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... [2018-11-18 15:25:41,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:25:41,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:25:41,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:25:41,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:25:41,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/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 15:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:25:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:25:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 15:25:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 15:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:25:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:25:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:25:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 15:25:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 15:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:25:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:25:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:25:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:25:42,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:25:42,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:25:42 BoogieIcfgContainer [2018-11-18 15:25:42,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:25:42,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:25:42,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:25:42,433 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:25:42,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:25:41" (1/3) ... [2018-11-18 15:25:42,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b765ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:25:42, skipping insertion in model container [2018-11-18 15:25:42,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:41" (2/3) ... [2018-11-18 15:25:42,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b765ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:25:42, skipping insertion in model container [2018-11-18 15:25:42,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:25:42" (3/3) ... [2018-11-18 15:25:42,435 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-18 15:25:42,444 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:25:42,452 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:25:42,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:25:42,495 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:25:42,495 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:25:42,495 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:25:42,496 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:25:42,496 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:25:42,496 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:25:42,496 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:25:42,496 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:25:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-18 15:25:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 15:25:42,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:42,518 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] [2018-11-18 15:25:42,521 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:42,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:42,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1590833856, now seen corresponding path program 1 times [2018-11-18 15:25:42,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:42,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:42,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:42,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:42,565 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:42,783 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 15:25:42,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:42,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:25:42,784 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:42,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:25:42,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:25:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:25:42,804 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-18 15:25:42,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:42,832 INFO L93 Difference]: Finished difference Result 282 states and 353 transitions. [2018-11-18 15:25:42,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:25:42,834 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 15:25:42,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:42,845 INFO L225 Difference]: With dead ends: 282 [2018-11-18 15:25:42,845 INFO L226 Difference]: Without dead ends: 143 [2018-11-18 15:25:42,848 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 15:25:42,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-18 15:25:42,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-18 15:25:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-18 15:25:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2018-11-18 15:25:42,885 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 51 [2018-11-18 15:25:42,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:42,885 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2018-11-18 15:25:42,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:25:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2018-11-18 15:25:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:25:42,888 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:42,888 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 15:25:42,889 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:42,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:42,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1018820377, now seen corresponding path program 1 times [2018-11-18 15:25:42,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:42,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:42,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:42,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:42,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:42,994 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 15:25:42,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:42,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:25:42,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:42,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:25:42,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:25:42,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:25:42,997 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand 3 states. [2018-11-18 15:25:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:43,016 INFO L93 Difference]: Finished difference Result 223 states and 265 transitions. [2018-11-18 15:25:43,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:25:43,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 15:25:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:43,019 INFO L225 Difference]: With dead ends: 223 [2018-11-18 15:25:43,019 INFO L226 Difference]: Without dead ends: 133 [2018-11-18 15:25:43,020 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 15:25:43,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-18 15:25:43,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-18 15:25:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-18 15:25:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions. [2018-11-18 15:25:43,032 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 53 [2018-11-18 15:25:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:43,032 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions. [2018-11-18 15:25:43,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:25:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2018-11-18 15:25:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 15:25:43,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:43,034 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] [2018-11-18 15:25:43,036 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:43,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:43,036 INFO L82 PathProgramCache]: Analyzing trace with hash 657426424, now seen corresponding path program 1 times [2018-11-18 15:25:43,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:43,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:43,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:43,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:43,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:43,180 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 15:25:43,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:43,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:25:43,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:43,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:25:43,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:25:43,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:25:43,181 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand 7 states. [2018-11-18 15:25:43,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:43,998 INFO L93 Difference]: Finished difference Result 395 states and 484 transitions. [2018-11-18 15:25:43,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:25:43,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 15:25:43,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:44,002 INFO L225 Difference]: With dead ends: 395 [2018-11-18 15:25:44,002 INFO L226 Difference]: Without dead ends: 290 [2018-11-18 15:25:44,002 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:25:44,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-11-18 15:25:44,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2018-11-18 15:25:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-18 15:25:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 345 transitions. [2018-11-18 15:25:44,032 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 345 transitions. Word has length 57 [2018-11-18 15:25:44,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:44,032 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 345 transitions. [2018-11-18 15:25:44,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:25:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 345 transitions. [2018-11-18 15:25:44,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 15:25:44,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:44,034 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, 1] [2018-11-18 15:25:44,035 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:44,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:44,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1635158924, now seen corresponding path program 1 times [2018-11-18 15:25:44,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:44,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:44,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:44,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:44,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:44,142 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 15:25:44,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:44,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:25:44,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:44,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:25:44,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:25:44,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:25:44,144 INFO L87 Difference]: Start difference. First operand 282 states and 345 transitions. Second operand 6 states. [2018-11-18 15:25:44,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:44,329 INFO L93 Difference]: Finished difference Result 772 states and 969 transitions. [2018-11-18 15:25:44,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:25:44,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 15:25:44,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:44,338 INFO L225 Difference]: With dead ends: 772 [2018-11-18 15:25:44,339 INFO L226 Difference]: Without dead ends: 518 [2018-11-18 15:25:44,340 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 15:25:44,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2018-11-18 15:25:44,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 512. [2018-11-18 15:25:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-11-18 15:25:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 630 transitions. [2018-11-18 15:25:44,375 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 630 transitions. Word has length 63 [2018-11-18 15:25:44,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:44,375 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 630 transitions. [2018-11-18 15:25:44,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:25:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 630 transitions. [2018-11-18 15:25:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 15:25:44,378 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:44,378 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, 1, 1, 1, 1, 1] [2018-11-18 15:25:44,378 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:44,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:44,378 INFO L82 PathProgramCache]: Analyzing trace with hash 605537576, now seen corresponding path program 1 times [2018-11-18 15:25:44,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:44,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:44,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:44,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:44,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:44,467 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 15:25:44,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:44,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:25:44,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:44,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:25:44,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:25:44,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:25:44,469 INFO L87 Difference]: Start difference. First operand 512 states and 630 transitions. Second operand 7 states. [2018-11-18 15:25:44,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:44,984 INFO L93 Difference]: Finished difference Result 1351 states and 1772 transitions. [2018-11-18 15:25:44,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:25:44,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 15:25:44,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:44,988 INFO L225 Difference]: With dead ends: 1351 [2018-11-18 15:25:44,989 INFO L226 Difference]: Without dead ends: 867 [2018-11-18 15:25:44,990 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:25:44,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2018-11-18 15:25:45,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 765. [2018-11-18 15:25:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-11-18 15:25:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 929 transitions. [2018-11-18 15:25:45,037 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 929 transitions. Word has length 67 [2018-11-18 15:25:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:45,037 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 929 transitions. [2018-11-18 15:25:45,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:25:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 929 transitions. [2018-11-18 15:25:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 15:25:45,039 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:45,039 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 15:25:45,040 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:45,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:45,040 INFO L82 PathProgramCache]: Analyzing trace with hash 789585934, now seen corresponding path program 1 times [2018-11-18 15:25:45,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:45,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:45,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:45,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:45,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:45,109 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 15:25:45,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:45,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:25:45,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:45,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:25:45,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:25:45,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:25:45,110 INFO L87 Difference]: Start difference. First operand 765 states and 929 transitions. Second operand 6 states. [2018-11-18 15:25:45,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:45,159 INFO L93 Difference]: Finished difference Result 1530 states and 1918 transitions. [2018-11-18 15:25:45,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:25:45,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 15:25:45,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:45,165 INFO L225 Difference]: With dead ends: 1530 [2018-11-18 15:25:45,165 INFO L226 Difference]: Without dead ends: 793 [2018-11-18 15:25:45,167 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 15:25:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-11-18 15:25:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 785. [2018-11-18 15:25:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-11-18 15:25:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 949 transitions. [2018-11-18 15:25:45,203 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 949 transitions. Word has length 104 [2018-11-18 15:25:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:45,203 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 949 transitions. [2018-11-18 15:25:45,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:25:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 949 transitions. [2018-11-18 15:25:45,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 15:25:45,205 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:45,205 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 15:25:45,205 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:45,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:45,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1577108660, now seen corresponding path program 1 times [2018-11-18 15:25:45,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:45,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:45,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:45,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:45,207 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:45,287 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 15:25:45,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:45,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:25:45,288 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:45,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:25:45,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:25:45,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:25:45,289 INFO L87 Difference]: Start difference. First operand 785 states and 949 transitions. Second operand 8 states. [2018-11-18 15:25:45,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:45,339 INFO L93 Difference]: Finished difference Result 1570 states and 1958 transitions. [2018-11-18 15:25:45,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:25:45,341 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 15:25:45,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:45,344 INFO L225 Difference]: With dead ends: 1570 [2018-11-18 15:25:45,344 INFO L226 Difference]: Without dead ends: 813 [2018-11-18 15:25:45,346 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 15:25:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-18 15:25:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 801. [2018-11-18 15:25:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 15:25:45,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 965 transitions. [2018-11-18 15:25:45,387 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 965 transitions. Word has length 104 [2018-11-18 15:25:45,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:45,388 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 965 transitions. [2018-11-18 15:25:45,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:25:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 965 transitions. [2018-11-18 15:25:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 15:25:45,390 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:45,390 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 15:25:45,390 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:45,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:45,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1817648789, now seen corresponding path program 1 times [2018-11-18 15:25:45,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:45,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:45,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:45,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:45,392 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:45,710 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-11-18 15:25:45,719 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 15:25:45,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:25:45,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:25:45,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:45,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:25:45,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:25:45,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:25:45,720 INFO L87 Difference]: Start difference. First operand 801 states and 965 transitions. Second operand 4 states. [2018-11-18 15:25:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:25:47,507 INFO L93 Difference]: Finished difference Result 2533 states and 3202 transitions. [2018-11-18 15:25:47,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:25:47,508 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 15:25:47,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:25:47,516 INFO L225 Difference]: With dead ends: 2533 [2018-11-18 15:25:47,516 INFO L226 Difference]: Without dead ends: 1760 [2018-11-18 15:25:47,519 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:25:47,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2018-11-18 15:25:47,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1729. [2018-11-18 15:25:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1729 states. [2018-11-18 15:25:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2137 transitions. [2018-11-18 15:25:47,605 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2137 transitions. Word has length 104 [2018-11-18 15:25:47,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:25:47,606 INFO L480 AbstractCegarLoop]: Abstraction has 1729 states and 2137 transitions. [2018-11-18 15:25:47,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:25:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2137 transitions. [2018-11-18 15:25:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 15:25:47,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:25:47,613 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, 1, 1, 1, 1] [2018-11-18 15:25:47,613 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:25:47,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:47,613 INFO L82 PathProgramCache]: Analyzing trace with hash -875576911, now seen corresponding path program 1 times [2018-11-18 15:25:47,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:25:47,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:47,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:47,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:47,616 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:25:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:25:48,247 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 15:25:48,247 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:25:48,248 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:25:48,249 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-18 15:25:48,251 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [88], [94], [98], [102], [105], [110], [113], [118], [121], [137], [138], [139], [141], [144], [146], [149], [152], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [202], [206], [240], [241], [249], [255], [259], [260], [263], [264], [265], [266], [267], [268], [269], [270], [271], [273], [274], [275], [276], [283], [284], [285], [287], [288], [295], [296], [297], [298], [299], [300], [303], [307], [308], [309], [310], [311], [313], [314], [315], [316], [317], [318], [321], [322], [323], [329], [330], [331] [2018-11-18 15:25:48,286 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:25:48,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:25:48,901 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:25:48,902 INFO L272 AbstractInterpreter]: Visited 104 different actions 106 times. Never merged. Never widened. Performed 3207 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3207 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-18 15:25:48,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:48,955 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:25:49,351 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 96.98% of their original sizes. [2018-11-18 15:25:49,351 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:25:50,046 INFO L415 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-11-18 15:25:50,046 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:25:50,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:25:50,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [13] total 36 [2018-11-18 15:25:50,047 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:25:50,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-18 15:25:50,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-18 15:25:50,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:25:50,048 INFO L87 Difference]: Start difference. First operand 1729 states and 2137 transitions. Second operand 25 states. [2018-11-18 15:26:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:01,846 INFO L93 Difference]: Finished difference Result 6256 states and 8182 transitions. [2018-11-18 15:26:01,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 15:26:01,847 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 108 [2018-11-18 15:26:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:01,858 INFO L225 Difference]: With dead ends: 6256 [2018-11-18 15:26:01,858 INFO L226 Difference]: Without dead ends: 4555 [2018-11-18 15:26:01,862 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=346, Invalid=2624, Unknown=0, NotChecked=0, Total=2970 [2018-11-18 15:26:01,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2018-11-18 15:26:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 4304. [2018-11-18 15:26:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4304 states. [2018-11-18 15:26:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 4304 states and 5405 transitions. [2018-11-18 15:26:01,983 INFO L78 Accepts]: Start accepts. Automaton has 4304 states and 5405 transitions. Word has length 108 [2018-11-18 15:26:01,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:01,984 INFO L480 AbstractCegarLoop]: Abstraction has 4304 states and 5405 transitions. [2018-11-18 15:26:01,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-18 15:26:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 5405 transitions. [2018-11-18 15:26:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 15:26:01,989 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:01,990 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, 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] [2018-11-18 15:26:01,990 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:01,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:01,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2096805045, now seen corresponding path program 1 times [2018-11-18 15:26:01,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:01,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:01,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:01,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:01,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:26:02,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:02,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:26:02,108 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-11-18 15:26:02,108 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [88], [94], [98], [102], [105], [108], [110], [113], [116], [118], [121], [137], [138], [139], [141], [144], [146], [149], [152], [155], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [199], [202], [206], [212], [240], [241], [244], [248], [249], [255], [259], [260], [263], [264], [265], [266], [267], [268], [269], [270], [271], [273], [274], [275], [276], [279], [280], [283], [284], [285], [287], [288], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [303], [304], [307], [308], [309], [310], [311], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [331] [2018-11-18 15:26:02,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:26:02,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:26:03,537 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:26:03,538 INFO L272 AbstractInterpreter]: Visited 129 different actions 736 times. Merged at 18 different actions 54 times. Never widened. Performed 32327 root evaluator evaluations with a maximum evaluation depth of 3. Performed 32327 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-18 15:26:03,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:03,563 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:26:03,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:03,564 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/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 15:26:03,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:03,572 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:26:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:03,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:26:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:26:03,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:26:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:26:04,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:26:04,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 15:26:04,849 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:04,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:26:04,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:26:04,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:26:04,851 INFO L87 Difference]: Start difference. First operand 4304 states and 5405 transitions. Second operand 8 states. [2018-11-18 15:26:05,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:05,208 INFO L93 Difference]: Finished difference Result 7589 states and 9667 transitions. [2018-11-18 15:26:05,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:26:05,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 167 [2018-11-18 15:26:05,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:05,220 INFO L225 Difference]: With dead ends: 7589 [2018-11-18 15:26:05,220 INFO L226 Difference]: Without dead ends: 3958 [2018-11-18 15:26:05,226 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 316 SyntacticMatches, 8 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 15:26:05,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2018-11-18 15:26:05,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3938. [2018-11-18 15:26:05,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3938 states. [2018-11-18 15:26:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3938 states and 4850 transitions. [2018-11-18 15:26:05,346 INFO L78 Accepts]: Start accepts. Automaton has 3938 states and 4850 transitions. Word has length 167 [2018-11-18 15:26:05,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:05,346 INFO L480 AbstractCegarLoop]: Abstraction has 3938 states and 4850 transitions. [2018-11-18 15:26:05,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:26:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 4850 transitions. [2018-11-18 15:26:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 15:26:05,351 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:05,352 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-18 15:26:05,352 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:05,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:05,352 INFO L82 PathProgramCache]: Analyzing trace with hash 497018196, now seen corresponding path program 1 times [2018-11-18 15:26:05,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:05,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:05,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:05,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:05,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 15:26:05,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:05,491 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:26:05,491 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-18 15:26:05,491 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [88], [94], [98], [102], [105], [108], [110], [113], [116], [118], [121], [137], [138], [139], [141], [144], [146], [149], [152], [155], [161], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [199], [202], [206], [212], [240], [241], [244], [248], [249], [255], [259], [260], [263], [264], [265], [266], [267], [268], [269], [270], [271], [273], [274], [275], [276], [279], [280], [283], [284], [285], [287], [288], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [303], [304], [307], [308], [309], [310], [311], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [331] [2018-11-18 15:26:05,494 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:26:05,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:26:07,334 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:26:07,335 INFO L272 AbstractInterpreter]: Visited 130 different actions 1063 times. Merged at 23 different actions 122 times. Widened at 1 different actions 1 times. Performed 34741 root evaluator evaluations with a maximum evaluation depth of 3. Performed 34741 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 30 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-18 15:26:07,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:07,345 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:26:07,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:07,345 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/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 15:26:07,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:07,353 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:26:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:07,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:26:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 15:26:07,556 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:26:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 15:26:08,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:26:08,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 15:26:08,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:08,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:26:08,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:26:08,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:26:08,028 INFO L87 Difference]: Start difference. First operand 3938 states and 4850 transitions. Second operand 8 states. [2018-11-18 15:26:08,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:08,363 INFO L93 Difference]: Finished difference Result 5120 states and 6224 transitions. [2018-11-18 15:26:08,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:26:08,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2018-11-18 15:26:08,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:08,365 INFO L225 Difference]: With dead ends: 5120 [2018-11-18 15:26:08,365 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:26:08,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 422 SyntacticMatches, 6 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 15:26:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:26:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:26:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:26:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:26:08,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-11-18 15:26:08,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:08,376 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:26:08,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:26:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:26:08,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:26:08,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:26:08,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,770 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2018-11-18 15:26:08,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:08,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:26:09,585 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 24 [2018-11-18 15:26:10,376 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-11-18 15:26:10,658 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2018-11-18 15:26:10,964 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2018-11-18 15:26:11,187 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2018-11-18 15:26:11,470 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 31 [2018-11-18 15:26:11,732 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2018-11-18 15:26:11,975 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2018-11-18 15:26:12,526 WARN L180 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 50 [2018-11-18 15:26:13,377 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2018-11-18 15:26:13,464 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-18 15:26:13,465 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-18 15:26:13,465 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-18 15:26:13,465 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-18 15:26:13,465 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-18 15:26:13,465 INFO L421 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,465 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,465 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2018-11-18 15:26:13,465 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2018-11-18 15:26:13,465 INFO L421 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,465 INFO L421 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,465 INFO L425 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2018-11-18 15:26:13,466 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2018-11-18 15:26:13,466 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 15:26:13,466 INFO L421 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,466 INFO L421 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,466 INFO L425 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2018-11-18 15:26:13,466 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2018-11-18 15:26:13,466 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse2))) [2018-11-18 15:26:13,466 INFO L421 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:26:13,466 INFO L425 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2018-11-18 15:26:13,467 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2018-11-18 15:26:13,467 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-11-18 15:26:13,467 INFO L421 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse4 .cse6))) [2018-11-18 15:26:13,467 INFO L425 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2018-11-18 15:26:13,467 INFO L421 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-11-18 15:26:13,467 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~systemActive~0)| 0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or (or .cse8 .cse3) .cse2) (or .cse5 .cse8 .cse2) (or .cse1 .cse7 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse2))) [2018-11-18 15:26:13,467 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-11-18 15:26:13,467 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-11-18 15:26:13,468 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (not (= ~systemActive~0 0)) .cse8)) (.cse0 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or .cse6 .cse4 .cse0 .cse1 .cse2) (or .cse8 .cse6 .cse9 .cse2) (or .cse1 .cse7 .cse5 .cse2 .cse3) (or .cse8 (or .cse9 .cse3) .cse2)))) [2018-11-18 15:26:13,468 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-11-18 15:26:13,468 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-11-18 15:26:13,468 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-11-18 15:26:13,468 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-11-18 15:26:13,468 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-18 15:26:13,468 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-18 15:26:13,468 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,468 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2018-11-18 15:26:13,468 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2018-11-18 15:26:13,468 INFO L421 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,469 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-11-18 15:26:13,469 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-11-18 15:26:13,469 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-11-18 15:26:13,469 INFO L428 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-11-18 15:26:13,469 INFO L425 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-11-18 15:26:13,469 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)))) [2018-11-18 15:26:13,469 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-18 15:26:13,469 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-18 15:26:13,469 INFO L421 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse6) .cse3) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-18 15:26:13,469 INFO L425 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-11-18 15:26:13,470 INFO L421 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse4) (or .cse2 .cse3 .cse4 .cse6 .cse1) (or .cse5 .cse2 .cse4 .cse6))) [2018-11-18 15:26:13,470 INFO L425 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2018-11-18 15:26:13,470 INFO L425 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2018-11-18 15:26:13,470 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2018-11-18 15:26:13,470 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse2 .cse5 .cse4 .cse6 .cse3))) [2018-11-18 15:26:13,470 INFO L421 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse2 .cse5 .cse4 .cse6))) [2018-11-18 15:26:13,470 INFO L425 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2018-11-18 15:26:13,470 INFO L421 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-18 15:26:13,470 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-11-18 15:26:13,470 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2018-11-18 15:26:13,470 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2018-11-18 15:26:13,471 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2018-11-18 15:26:13,471 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2018-11-18 15:26:13,471 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2018-11-18 15:26:13,471 INFO L421 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse2 (= ~methaneLevelCritical~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:26:13,471 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,471 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2018-11-18 15:26:13,471 INFO L425 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2018-11-18 15:26:13,471 INFO L425 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-11-18 15:26:13,471 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2018-11-18 15:26:13,471 INFO L425 ceAbstractionStarter]: For program point L917-1(lines 917 964) no Hoare annotation was computed. [2018-11-18 15:26:13,472 INFO L421 ceAbstractionStarter]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:26:13,472 INFO L421 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse6 .cse4 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:26:13,472 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2018-11-18 15:26:13,472 INFO L421 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:26:13,472 INFO L425 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2018-11-18 15:26:13,472 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2018-11-18 15:26:13,472 INFO L421 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:26:13,472 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-18 15:26:13,472 INFO L425 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-18 15:26:13,472 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2018-11-18 15:26:13,473 INFO L421 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:26:13,473 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:26:13,473 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2018-11-18 15:26:13,473 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2018-11-18 15:26:13,473 INFO L421 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2))) [2018-11-18 15:26:13,473 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2018-11-18 15:26:13,473 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2018-11-18 15:26:13,473 INFO L421 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (= ~methAndRunningLastTime~0 0) .cse1) (or .cse0 .cse2) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-18 15:26:13,473 INFO L425 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-18 15:26:13,473 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2018-11-18 15:26:13,474 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2018-11-18 15:26:13,474 INFO L421 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse3 .cse1) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse3 .cse4 .cse0 .cse1 .cse2))) [2018-11-18 15:26:13,474 INFO L425 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2018-11-18 15:26:13,474 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse3 .cse1) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse3 .cse4 .cse0 .cse1 .cse2))) [2018-11-18 15:26:13,474 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2018-11-18 15:26:13,474 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:26:13,474 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2018-11-18 15:26:13,474 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2018-11-18 15:26:13,474 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 15:26:13,475 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L425 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L425 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L421 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0 .cse4))) [2018-11-18 15:26:13,475 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L425 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0 .cse4))) [2018-11-18 15:26:13,475 INFO L421 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:26:13,475 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-11-18 15:26:13,475 INFO L428 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-11-18 15:26:13,476 INFO L425 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-11-18 15:26:13,476 INFO L425 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-11-18 15:26:13,476 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-11-18 15:26:13,476 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-11-18 15:26:13,476 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~methaneLevelCritical~0)| 1) .cse0 .cse1) (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse2 .cse1 .cse3) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse5 (not (= ~systemActive~0 1)) .cse1 (not (= ~waterLevel~0 2))) (or .cse5 .cse4 .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 15:26:13,476 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2018-11-18 15:26:13,476 INFO L425 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2018-11-18 15:26:13,476 INFO L425 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2018-11-18 15:26:13,476 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse11 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= ~systemActive~0 0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not .cse11)) (.cse5 (and (= ~methAndRunningLastTime~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse2)) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse2 .cse9 .cse3 .cse10) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or (or .cse7 .cse8 .cse2 .cse3) .cse5) (or .cse10 .cse6 .cse0 .cse2 .cse9) (or .cse6 .cse0 .cse5 .cse2) (or .cse6 .cse11 .cse0 .cse2 .cse12) (or .cse11 .cse0 .cse12 .cse2 .cse3)))) [2018-11-18 15:26:13,476 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2018-11-18 15:26:13,477 INFO L421 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse11 (= |old(~waterLevel~0)| 1)) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse14 .cse15)) (.cse12 (= 1 ~waterLevel~0)) (.cse13 (not .cse11)) (.cse9 (and .cse14 (not .cse7) .cse15)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse2)) (or .cse6 .cse0 .cse9 .cse2) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse10 .cse11 .cse0 .cse2 .cse3) (or (or .cse7 .cse8 .cse2 .cse3) .cse5) (or .cse0 .cse12 .cse2 .cse13 .cse3) (or .cse6 .cse0 .cse12 .cse2 .cse13) (or .cse0 .cse9 .cse2 .cse3) (or .cse6 .cse11 .cse0 .cse10 .cse2)))) [2018-11-18 15:26:13,477 INFO L421 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse11 (= ~methAndRunningLastTime~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~waterLevel~0 1))) (.cse15 (not .cse0)) (.cse14 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse9 (= ~waterLevel~0 2)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~systemActive~0 0)) (.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse12 (= 0 ~pumpRunning~0)) (.cse16 (and .cse11 .cse2))) (and (or .cse0 (and .cse1 .cse2) .cse3 (and (not .cse4) .cse1 .cse5) .cse6 .cse7) (or .cse8 .cse3 .cse9 .cse6 .cse10) (or (and .cse11 .cse12) (or .cse8 .cse4 .cse13 .cse6)) (or .cse14 .cse8 .cse3 .cse6 .cse15) (or .cse8 .cse3 .cse16 .cse6) (or .cse8 .cse0 .cse3 .cse6 .cse1) (or .cse3 .cse6 .cse15 .cse7 (and .cse11 .cse14 .cse2)) (or .cse3 .cse5 .cse9 (not (= ~systemActive~0 1)) .cse6 .cse7 .cse10) (or .cse11 .cse3 .cse4 .cse6 .cse7) (or (or .cse4 .cse13 .cse6 .cse7) .cse12 .cse16)))) [2018-11-18 15:26:13,477 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2018-11-18 15:26:13,477 INFO L421 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~methAndRunningLastTime~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 .cse4 .cse6) (or .cse1 .cse5 .cse4) (or (or .cse2 .cse3 .cse4 .cse6) .cse0))) [2018-11-18 15:26:13,477 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2018-11-18 15:26:13,477 INFO L425 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2018-11-18 15:26:13,477 INFO L428 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2018-11-18 15:26:13,477 INFO L425 ceAbstractionStarter]: For program point L506-1(lines 506 520) no Hoare annotation was computed. [2018-11-18 15:26:13,478 INFO L428 ceAbstractionStarter]: At program point L506-3(lines 506 520) the Hoare annotation is: true [2018-11-18 15:26:13,478 INFO L428 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2018-11-18 15:26:13,478 INFO L425 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2018-11-18 15:26:13,478 INFO L428 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2018-11-18 15:26:13,478 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 15:26:13,478 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2018-11-18 15:26:13,478 INFO L425 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2018-11-18 15:26:13,478 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2018-11-18 15:26:13,478 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2018-11-18 15:26:13,478 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2018-11-18 15:26:13,478 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2018-11-18 15:26:13,478 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-11-18 15:26:13,478 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2018-11-18 15:26:13,479 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2018-11-18 15:26:13,479 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2018-11-18 15:26:13,479 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:26:13,479 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 15:26:13,479 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:26:13,479 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:26:13,479 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2018-11-18 15:26:13,479 INFO L425 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-11-18 15:26:13,479 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~waterLevel~0 2)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse2 .cse6) (or (or .cse2 (not (= ~systemActive~0 1)) .cse7) .cse5 .cse3 .cse6) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-11-18 15:26:13,479 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:26:13,479 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 15:26:13,480 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 15:26:13,480 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:26:13,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:26:13 BoogieIcfgContainer [2018-11-18 15:26:13,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:26:13,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:26:13,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:26:13,491 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:26:13,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:25:42" (3/4) ... [2018-11-18 15:26:13,495 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:26:13,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:26:13,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:26:13,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:26:13,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:26:13,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:26:13,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:26:13,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:26:13,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:26:13,508 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 15:26:13,509 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:26:13,509 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:26:13,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:26:13,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:26:13,569 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_542b8861-62d2-48a4-8f02-5be41aa81414/bin-2019/utaipan/witness.graphml [2018-11-18 15:26:13,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:26:13,570 INFO L168 Benchmark]: Toolchain (without parser) took 32293.87 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 955.8 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 241.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:26:13,571 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:26:13,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.85 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 931.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:26:13,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:26:13,571 INFO L168 Benchmark]: Boogie Preprocessor took 30.97 ms. Allocated memory is still 1.1 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 15:26:13,571 INFO L168 Benchmark]: RCFGBuilder took 660.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:26:13,571 INFO L168 Benchmark]: TraceAbstraction took 31060.82 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 15:26:13,571 INFO L168 Benchmark]: Witness Printer took 78.62 ms. Allocated memory is still 2.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:26:13,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.85 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 931.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.97 ms. Allocated memory is still 1.1 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 660.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31060.82 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 78.62 ms. Allocated memory is still 2.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 156 locations, 1 error locations. SAFE Result, 30.9s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 16.0s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2481 SDtfs, 1848 SDslu, 9622 SDs, 0 SdLazy, 3634 SolverSat, 457 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1009 GetRequests, 855 SyntacticMatches, 15 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4304occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9961250812874817 AbsIntWeakeningRatio, 1.02803738317757 AbsIntAvgWeakeningVarsNumRemoved, 112.19626168224299 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 438 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5926 PreInvPairs, 6156 NumberOfFragments, 3052 HoareAnnotationTreeSize, 5926 FomulaSimplifications, 6863 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 25758 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1483 NumberOfCodeBlocks, 1483 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1854 ConstructedInterpolants, 0 QuantifiedInterpolants, 398662 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1811 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 604/660 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...