./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/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 edf277e8e45bc51905c3746c53b47e5f504df38a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:06:02,321 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:06:02,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:06:02,336 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:06:02,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:06:02,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:06:02,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:06:02,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:06:02,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:06:02,350 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:06:02,353 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:06:02,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:06:02,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:06:02,357 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:06:02,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:06:02,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:06:02,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:06:02,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:06:02,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:06:02,377 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:06:02,378 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:06:02,379 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:06:02,380 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:06:02,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:06:02,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:06:02,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:06:02,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:06:02,385 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:06:02,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:06:02,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:06:02,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:06:02,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:06:02,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:06:02,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:06:02,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:06:02,392 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:06:02,393 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:06:02,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:06:02,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:06:02,416 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:06:02,416 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:06:02,416 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:06:02,416 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:06:02,417 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:06:02,417 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:06:02,417 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:06:02,417 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:06:02,417 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:06:02,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:06:02,418 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:06:02,418 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:06:02,419 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:06:02,419 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:06:02,419 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:06:02,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:06:02,419 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:06:02,419 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:06:02,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:06:02,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:06:02,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:06:02,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:06:02,420 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:06:02,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:06:02,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:06:02,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:06:02,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:06:02,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:06:02,425 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:06:02,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:06:02,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:06:02,427 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:06:02,427 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_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-10-26 22:06:02,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:06:02,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:06:02,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:06:02,499 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:06:02,499 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:06:02,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-10-26 22:06:02,555 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/data/1250ccfcc/4d675f7596c048bd8f0843b32f5325fa/FLAG31f188920 [2018-10-26 22:06:03,000 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:06:03,001 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-10-26 22:06:03,020 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/data/1250ccfcc/4d675f7596c048bd8f0843b32f5325fa/FLAG31f188920 [2018-10-26 22:06:03,039 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/data/1250ccfcc/4d675f7596c048bd8f0843b32f5325fa [2018-10-26 22:06:03,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:06:03,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:06:03,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:06:03,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:06:03,048 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:06:03,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebf8acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03, skipping insertion in model container [2018-10-26 22:06:03,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:06:03,117 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:06:03,420 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:06:03,431 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:06:03,508 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:06:03,548 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:06:03,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03 WrapperNode [2018-10-26 22:06:03,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:06:03,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:06:03,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:06:03,549 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:06:03,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:06:03,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:06:03,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:06:03,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:06:03,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... [2018-10-26 22:06:03,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:06:03,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:06:03,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:06:03,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:06:03,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/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 [2018-10-26 22:06:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:06:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:06:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:06:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:06:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 22:06:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 22:06:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:06:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:06:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:06:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:06:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 22:06:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 22:06:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:06:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:06:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:06:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:06:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 22:06:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 22:06:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 22:06:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 22:06:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 22:06:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 22:06:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 22:06:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 22:06:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:06:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:06:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:06:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:06:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:06:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:06:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:06:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:06:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:06:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:06:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:06:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:06:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:06:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:06:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:06:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:06:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:06:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:06:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:06:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:06:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:06:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:06:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:06:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:06:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:06:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:06:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:06:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:06:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:06:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:06:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:06:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:06:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:06:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:06:05,178 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:06:05,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:06:05 BoogieIcfgContainer [2018-10-26 22:06:05,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:06:05,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:06:05,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:06:05,195 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:06:05,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:06:03" (1/3) ... [2018-10-26 22:06:05,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668d172a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:06:05, skipping insertion in model container [2018-10-26 22:06:05,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:06:03" (2/3) ... [2018-10-26 22:06:05,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668d172a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:06:05, skipping insertion in model container [2018-10-26 22:06:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:06:05" (3/3) ... [2018-10-26 22:06:05,199 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-10-26 22:06:05,220 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:06:05,247 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:06:05,289 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:06:05,337 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:06:05,337 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:06:05,337 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:06:05,337 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:06:05,337 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:06:05,338 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:06:05,338 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:06:05,338 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:06:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-10-26 22:06:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:06:05,393 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:05,394 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:06:05,400 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:05,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:05,409 INFO L82 PathProgramCache]: Analyzing trace with hash -854147487, now seen corresponding path program 1 times [2018-10-26 22:06:05,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:05,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:05,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:05,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:05,468 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:06:05,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:05,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:06:05,815 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:05,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:06:05,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:06:05,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:06:05,840 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-10-26 22:06:05,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:05,892 INFO L93 Difference]: Finished difference Result 284 states and 349 transitions. [2018-10-26 22:06:05,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:06:05,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 22:06:05,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:05,911 INFO L225 Difference]: With dead ends: 284 [2018-10-26 22:06:05,912 INFO L226 Difference]: Without dead ends: 142 [2018-10-26 22:06:05,916 INFO L605 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 [2018-10-26 22:06:05,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-10-26 22:06:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-10-26 22:06:05,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-26 22:06:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-10-26 22:06:05,982 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 46 [2018-10-26 22:06:05,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:05,982 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-10-26 22:06:05,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:06:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-10-26 22:06:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:06:05,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:05,987 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:06:05,987 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:05,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:05,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1406121159, now seen corresponding path program 1 times [2018-10-26 22:06:05,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:05,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:05,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:05,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:05,991 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:06:06,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:06,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:06:06,153 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:06,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:06:06,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:06:06,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:06:06,155 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2018-10-26 22:06:06,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:06,197 INFO L93 Difference]: Finished difference Result 231 states and 269 transitions. [2018-10-26 22:06:06,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:06:06,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 22:06:06,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:06,200 INFO L225 Difference]: With dead ends: 231 [2018-10-26 22:06:06,201 INFO L226 Difference]: Without dead ends: 132 [2018-10-26 22:06:06,202 INFO L605 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 [2018-10-26 22:06:06,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-26 22:06:06,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-10-26 22:06:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-26 22:06:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2018-10-26 22:06:06,222 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 48 [2018-10-26 22:06:06,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:06,222 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2018-10-26 22:06:06,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:06:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2018-10-26 22:06:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:06:06,224 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:06,230 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] [2018-10-26 22:06:06,232 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:06,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:06,234 INFO L82 PathProgramCache]: Analyzing trace with hash 547481846, now seen corresponding path program 1 times [2018-10-26 22:06:06,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:06,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:06,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:06,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:06,235 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:06,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:06:06,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:06,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:06:06,471 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:06,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:06:06,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:06:06,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:06:06,474 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. Second operand 7 states. [2018-10-26 22:06:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:07,431 INFO L93 Difference]: Finished difference Result 240 states and 283 transitions. [2018-10-26 22:06:07,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:06:07,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-26 22:06:07,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:07,434 INFO L225 Difference]: With dead ends: 240 [2018-10-26 22:06:07,434 INFO L226 Difference]: Without dead ends: 132 [2018-10-26 22:06:07,435 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:06:07,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-26 22:06:07,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-10-26 22:06:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-26 22:06:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 152 transitions. [2018-10-26 22:06:07,452 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 152 transitions. Word has length 52 [2018-10-26 22:06:07,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:07,452 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 152 transitions. [2018-10-26 22:06:07,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:06:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2018-10-26 22:06:07,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:06:07,455 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:07,455 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] [2018-10-26 22:06:07,456 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:07,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:07,456 INFO L82 PathProgramCache]: Analyzing trace with hash 34834624, now seen corresponding path program 1 times [2018-10-26 22:06:07,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:07,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:07,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:07,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:07,460 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:06:07,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:07,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:06:07,636 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:07,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:06:07,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:06:07,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:06:07,639 INFO L87 Difference]: Start difference. First operand 132 states and 152 transitions. Second operand 5 states. [2018-10-26 22:06:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:09,042 INFO L93 Difference]: Finished difference Result 338 states and 405 transitions. [2018-10-26 22:06:09,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:06:09,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-10-26 22:06:09,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:09,046 INFO L225 Difference]: With dead ends: 338 [2018-10-26 22:06:09,046 INFO L226 Difference]: Without dead ends: 230 [2018-10-26 22:06:09,047 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:06:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-10-26 22:06:09,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 211. [2018-10-26 22:06:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-10-26 22:06:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 240 transitions. [2018-10-26 22:06:09,099 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 240 transitions. Word has length 65 [2018-10-26 22:06:09,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:09,099 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 240 transitions. [2018-10-26 22:06:09,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:06:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 240 transitions. [2018-10-26 22:06:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 22:06:09,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:09,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:06:09,105 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:09,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:09,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1525916116, now seen corresponding path program 1 times [2018-10-26 22:06:09,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:09,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:09,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:09,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:09,107 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:06:09,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:09,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:06:09,578 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:09,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:06:09,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:06:09,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:06:09,580 INFO L87 Difference]: Start difference. First operand 211 states and 240 transitions. Second operand 6 states. [2018-10-26 22:06:10,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:10,175 INFO L93 Difference]: Finished difference Result 570 states and 670 transitions. [2018-10-26 22:06:10,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:06:10,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-10-26 22:06:10,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:10,187 INFO L225 Difference]: With dead ends: 570 [2018-10-26 22:06:10,192 INFO L226 Difference]: Without dead ends: 383 [2018-10-26 22:06:10,194 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:06:10,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-10-26 22:06:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 377. [2018-10-26 22:06:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-10-26 22:06:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 430 transitions. [2018-10-26 22:06:10,240 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 430 transitions. Word has length 79 [2018-10-26 22:06:10,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:10,240 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 430 transitions. [2018-10-26 22:06:10,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:06:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 430 transitions. [2018-10-26 22:06:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 22:06:10,244 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:10,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:06:10,244 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:10,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:10,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1293126728, now seen corresponding path program 1 times [2018-10-26 22:06:10,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:10,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:10,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:10,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:10,246 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:06:10,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:10,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:06:10,405 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:10,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:06:10,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:06:10,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:06:10,406 INFO L87 Difference]: Start difference. First operand 377 states and 430 transitions. Second operand 7 states. [2018-10-26 22:06:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:11,077 INFO L93 Difference]: Finished difference Result 412 states and 482 transitions. [2018-10-26 22:06:11,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 22:06:11,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-10-26 22:06:11,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:11,081 INFO L225 Difference]: With dead ends: 412 [2018-10-26 22:06:11,081 INFO L226 Difference]: Without dead ends: 409 [2018-10-26 22:06:11,082 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:06:11,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-10-26 22:06:11,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 377. [2018-10-26 22:06:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-10-26 22:06:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 429 transitions. [2018-10-26 22:06:11,117 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 429 transitions. Word has length 83 [2018-10-26 22:06:11,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:11,118 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 429 transitions. [2018-10-26 22:06:11,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:06:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 429 transitions. [2018-10-26 22:06:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:06:11,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:11,122 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] [2018-10-26 22:06:11,122 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:11,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:11,123 INFO L82 PathProgramCache]: Analyzing trace with hash -556966421, now seen corresponding path program 1 times [2018-10-26 22:06:11,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:11,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:11,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:11,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:11,124 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:06:11,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:11,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:06:11,522 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:11,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:06:11,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:06:11,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:06:11,523 INFO L87 Difference]: Start difference. First operand 377 states and 429 transitions. Second operand 6 states. [2018-10-26 22:06:11,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:11,596 INFO L93 Difference]: Finished difference Result 744 states and 866 transitions. [2018-10-26 22:06:11,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:06:11,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-10-26 22:06:11,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:11,602 INFO L225 Difference]: With dead ends: 744 [2018-10-26 22:06:11,603 INFO L226 Difference]: Without dead ends: 391 [2018-10-26 22:06:11,605 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:06:11,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-10-26 22:06:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 387. [2018-10-26 22:06:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-10-26 22:06:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 439 transitions. [2018-10-26 22:06:11,647 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 439 transitions. Word has length 99 [2018-10-26 22:06:11,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:11,648 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 439 transitions. [2018-10-26 22:06:11,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:06:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 439 transitions. [2018-10-26 22:06:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:06:11,651 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:11,651 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] [2018-10-26 22:06:11,651 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:11,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:11,652 INFO L82 PathProgramCache]: Analyzing trace with hash 336519917, now seen corresponding path program 1 times [2018-10-26 22:06:11,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:11,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:11,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:11,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:11,653 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:06:11,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:11,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 22:06:11,852 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:11,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:06:11,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:06:11,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:06:11,853 INFO L87 Difference]: Start difference. First operand 387 states and 439 transitions. Second operand 8 states. [2018-10-26 22:06:11,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:11,921 INFO L93 Difference]: Finished difference Result 764 states and 888 transitions. [2018-10-26 22:06:11,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:06:11,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-10-26 22:06:11,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:11,925 INFO L225 Difference]: With dead ends: 764 [2018-10-26 22:06:11,925 INFO L226 Difference]: Without dead ends: 401 [2018-10-26 22:06:11,927 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:06:11,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-10-26 22:06:11,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-10-26 22:06:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-26 22:06:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 447 transitions. [2018-10-26 22:06:11,955 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 447 transitions. Word has length 99 [2018-10-26 22:06:11,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:11,956 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 447 transitions. [2018-10-26 22:06:11,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:06:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 447 transitions. [2018-10-26 22:06:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:06:11,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:11,960 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] [2018-10-26 22:06:11,960 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:11,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:11,960 INFO L82 PathProgramCache]: Analyzing trace with hash 328760558, now seen corresponding path program 1 times [2018-10-26 22:06:11,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:11,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:11,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:11,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:11,962 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:12,362 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 22:06:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:06:12,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:12,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:06:12,373 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:12,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:06:12,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:06:12,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:06:12,374 INFO L87 Difference]: Start difference. First operand 395 states and 447 transitions. Second operand 4 states. [2018-10-26 22:06:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:06:13,653 INFO L93 Difference]: Finished difference Result 1167 states and 1390 transitions. [2018-10-26 22:06:13,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:06:13,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-10-26 22:06:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:06:13,660 INFO L225 Difference]: With dead ends: 1167 [2018-10-26 22:06:13,660 INFO L226 Difference]: Without dead ends: 796 [2018-10-26 22:06:13,661 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:06:13,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-10-26 22:06:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 781. [2018-10-26 22:06:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-10-26 22:06:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 911 transitions. [2018-10-26 22:06:13,714 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 911 transitions. Word has length 99 [2018-10-26 22:06:13,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:06:13,717 INFO L481 AbstractCegarLoop]: Abstraction has 781 states and 911 transitions. [2018-10-26 22:06:13,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:06:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 911 transitions. [2018-10-26 22:06:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 22:06:13,721 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:13,721 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] [2018-10-26 22:06:13,721 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:13,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:13,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1191270392, now seen corresponding path program 1 times [2018-10-26 22:06:13,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:06:13,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:13,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:13,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:13,724 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:06:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:06:14,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:06:14,018 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:06:14,020 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-10-26 22:06:14,022 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [92], [95], [100], [103], [118], [119], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [153], [154], [160], [164], [208], [209], [212], [214], [217], [227], [230], [234], [235], [238], [240], [243], [245], [248], [257], [258], [259], [260], [261], [262], [263], [264], [265], [269], [271], [272], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [294], [297], [298], [299], [305], [306], [307], [309], [310], [311], [312], [317], [318], [319], [320], [321] [2018-10-26 22:06:14,088 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:06:14,088 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:06:22,994 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:06:22,996 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 22:06:23,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:23,024 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:06:30,773 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 97.17% of their original sizes. [2018-10-26 22:06:30,773 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:06:32,903 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-10-26 22:06:32,904 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:06:32,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:06:32,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [13] total 38 [2018-10-26 22:06:32,905 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:06:32,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-26 22:06:32,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-26 22:06:32,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2018-10-26 22:06:32,906 INFO L87 Difference]: Start difference. First operand 781 states and 911 transitions. Second operand 27 states. [2018-10-26 22:07:20,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:07:20,965 INFO L93 Difference]: Finished difference Result 1738 states and 2067 transitions. [2018-10-26 22:07:20,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-10-26 22:07:20,965 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 103 [2018-10-26 22:07:20,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:07:20,970 INFO L225 Difference]: With dead ends: 1738 [2018-10-26 22:07:20,970 INFO L226 Difference]: Without dead ends: 981 [2018-10-26 22:07:20,973 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=189, Invalid=1533, Unknown=0, NotChecked=0, Total=1722 [2018-10-26 22:07:20,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2018-10-26 22:07:21,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 961. [2018-10-26 22:07:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2018-10-26 22:07:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1093 transitions. [2018-10-26 22:07:21,058 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1093 transitions. Word has length 103 [2018-10-26 22:07:21,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:07:21,058 INFO L481 AbstractCegarLoop]: Abstraction has 961 states and 1093 transitions. [2018-10-26 22:07:21,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-26 22:07:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1093 transitions. [2018-10-26 22:07:21,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:07:21,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:07:21,065 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:07:21,065 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:07:21,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:07:21,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1862038255, now seen corresponding path program 1 times [2018-10-26 22:07:21,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:07:21,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:07:21,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:07:21,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:07:21,067 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:07:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:07:21,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:07:21,353 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:07:21,354 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-10-26 22:07:21,354 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [70], [76], [80], [84], [87], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [153], [154], [157], [160], [164], [170], [200], [204], [208], [209], [212], [214], [217], [224], [227], [230], [234], [235], [238], [240], [243], [245], [248], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [271], [272], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [307], [309], [310], [311], [312], [315], [316], [317], [318], [319], [320], [321] [2018-10-26 22:07:21,359 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:07:21,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:08:30,176 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:08:30,177 INFO L272 AbstractInterpreter]: Visited 102 different actions 417 times. Merged at 13 different actions 45 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 132 variables. [2018-10-26 22:08:30,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:08:30,185 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:08:46,432 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 96.65% of their original sizes. [2018-10-26 22:08:46,432 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:08:48,940 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-10-26 22:08:48,940 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:08:48,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:08:48,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [42] imperfect sequences [5] total 45 [2018-10-26 22:08:48,941 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:08:48,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-10-26 22:08:48,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-10-26 22:08:48,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1554, Unknown=0, NotChecked=0, Total=1722 [2018-10-26 22:08:48,942 INFO L87 Difference]: Start difference. First operand 961 states and 1093 transitions. Second operand 42 states. [2018-10-26 22:09:47,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:47,707 INFO L93 Difference]: Finished difference Result 2048 states and 2416 transitions. [2018-10-26 22:09:47,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-10-26 22:09:47,707 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 161 [2018-10-26 22:09:47,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:47,713 INFO L225 Difference]: With dead ends: 2048 [2018-10-26 22:09:47,713 INFO L226 Difference]: Without dead ends: 1287 [2018-10-26 22:09:47,717 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 104 SyntacticMatches, 16 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2790 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=600, Invalid=8142, Unknown=0, NotChecked=0, Total=8742 [2018-10-26 22:09:47,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2018-10-26 22:09:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1194. [2018-10-26 22:09:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2018-10-26 22:09:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1355 transitions. [2018-10-26 22:09:47,830 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1355 transitions. Word has length 161 [2018-10-26 22:09:47,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:47,830 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 1355 transitions. [2018-10-26 22:09:47,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-10-26 22:09:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1355 transitions. [2018-10-26 22:09:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 22:09:47,835 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:47,835 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:09:47,836 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:47,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:47,836 INFO L82 PathProgramCache]: Analyzing trace with hash 947861833, now seen corresponding path program 1 times [2018-10-26 22:09:47,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:47,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:47,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:47,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:47,838 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:09:48,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:09:48,450 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:09:48,450 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-10-26 22:09:48,451 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [153], [154], [157], [160], [164], [170], [200], [204], [208], [209], [212], [214], [217], [224], [227], [230], [234], [235], [238], [240], [243], [245], [248], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [271], [272], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [307], [309], [310], [311], [312], [315], [316], [317], [318], [319], [320], [321] [2018-10-26 22:09:48,458 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:09:48,459 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:11:40,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:11:40,667 INFO L272 AbstractInterpreter]: Visited 115 different actions 982 times. Merged at 19 different actions 76 times. Never widened. Found 14 fixpoints after 3 different actions. Largest state had 132 variables. [2018-10-26 22:11:40,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:11:40,681 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:12:02,559 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 96.7% of their original sizes. [2018-10-26 22:12:02,559 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:12:05,575 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-10-26 22:12:05,575 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:12:05,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:12:05,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [10] total 60 [2018-10-26 22:12:05,576 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:12:05,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-10-26 22:12:05,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-10-26 22:12:05,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=2385, Unknown=0, NotChecked=0, Total=2652 [2018-10-26 22:12:05,578 INFO L87 Difference]: Start difference. First operand 1194 states and 1355 transitions. Second operand 52 states. [2018-10-26 22:14:00,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:14:00,115 INFO L93 Difference]: Finished difference Result 3064 states and 3808 transitions. [2018-10-26 22:14:00,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-10-26 22:14:00,116 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 157 [2018-10-26 22:14:00,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:14:00,127 INFO L225 Difference]: With dead ends: 3064 [2018-10-26 22:14:00,127 INFO L226 Difference]: Without dead ends: 2149 [2018-10-26 22:14:00,135 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 103 SyntacticMatches, 3 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6993 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=1603, Invalid=20153, Unknown=0, NotChecked=0, Total=21756 [2018-10-26 22:14:00,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2018-10-26 22:14:00,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1635. [2018-10-26 22:14:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-10-26 22:14:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1861 transitions. [2018-10-26 22:14:00,510 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1861 transitions. Word has length 157 [2018-10-26 22:14:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:14:00,511 INFO L481 AbstractCegarLoop]: Abstraction has 1635 states and 1861 transitions. [2018-10-26 22:14:00,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-10-26 22:14:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1861 transitions. [2018-10-26 22:14:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 22:14:00,516 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:14:00,516 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:14:00,516 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:14:00,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:14:00,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1222621447, now seen corresponding path program 1 times [2018-10-26 22:14:00,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:14:00,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:14:00,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:14:00,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:14:00,518 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:14:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:14:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:14:01,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:14:01,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:14:01,364 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:14:01,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:14:01,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:14:01,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:14:01,365 INFO L87 Difference]: Start difference. First operand 1635 states and 1861 transitions. Second operand 9 states. [2018-10-26 22:14:01,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:14:01,566 INFO L93 Difference]: Finished difference Result 2020 states and 2299 transitions. [2018-10-26 22:14:01,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:14:01,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-10-26 22:14:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:14:01,570 INFO L225 Difference]: With dead ends: 2020 [2018-10-26 22:14:01,570 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:14:01,575 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:14:01,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:14:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:14:01,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:14:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:14:01,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-10-26 22:14:01,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:14:01,578 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:14:01,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:14:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:14:01,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:14:01,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:14:02,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:02,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:03,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:03,866 WARN L179 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 371 DAG size of output: 344 [2018-10-26 22:14:04,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:04,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:04,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:04,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:05,948 WARN L179 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 384 DAG size of output: 368 [2018-10-26 22:14:05,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:06,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:06,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:07,111 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 351 DAG size of output: 335 [2018-10-26 22:14:08,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:08,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:14:08,991 WARN L179 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 333 [2018-10-26 22:14:10,415 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 288 DAG size of output: 71 [2018-10-26 22:14:10,722 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2018-10-26 22:14:10,833 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-10-26 22:14:11,232 WARN L179 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 40 [2018-10-26 22:14:12,078 WARN L179 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 25 [2018-10-26 22:14:12,912 WARN L179 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 66 [2018-10-26 22:14:14,308 WARN L179 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 328 DAG size of output: 91 [2018-10-26 22:14:14,617 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2018-10-26 22:14:14,740 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2018-10-26 22:14:17,469 WARN L179 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 420 DAG size of output: 79 [2018-10-26 22:14:17,608 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2018-10-26 22:14:17,715 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-10-26 22:14:18,363 WARN L179 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 55 [2018-10-26 22:14:19,789 WARN L179 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 323 DAG size of output: 93 [2018-10-26 22:14:19,953 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2018-10-26 22:14:20,893 WARN L179 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 70 [2018-10-26 22:14:21,557 WARN L179 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 58 [2018-10-26 22:14:22,145 WARN L179 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 25 [2018-10-26 22:14:24,197 WARN L179 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 444 DAG size of output: 51 [2018-10-26 22:14:25,885 WARN L179 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 413 DAG size of output: 55 [2018-10-26 22:14:26,841 WARN L179 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 69 [2018-10-26 22:14:27,388 WARN L179 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 53 [2018-10-26 22:14:27,579 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2018-10-26 22:14:27,717 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2018-10-26 22:14:28,491 WARN L179 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 51 [2018-10-26 22:14:28,602 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-10-26 22:14:28,711 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-10-26 22:14:29,200 WARN L179 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 49 [2018-10-26 22:14:30,031 WARN L179 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 51 [2018-10-26 22:14:30,210 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2018-10-26 22:14:30,319 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-10-26 22:14:31,095 WARN L179 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 55 [2018-10-26 22:14:32,423 WARN L179 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 312 DAG size of output: 94 [2018-10-26 22:14:33,347 WARN L179 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 67 [2018-10-26 22:14:33,598 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 30 [2018-10-26 22:14:33,875 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2018-10-26 22:14:33,982 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-10-26 22:14:34,896 WARN L179 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 70 [2018-10-26 22:14:35,144 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2018-10-26 22:14:35,300 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2018-10-26 22:14:35,529 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 36 [2018-10-26 22:14:35,811 WARN L179 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 46 [2018-10-26 22:14:36,013 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 36 [2018-10-26 22:14:36,216 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 36 [2018-10-26 22:14:37,741 WARN L179 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 412 DAG size of output: 63 [2018-10-26 22:14:37,948 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2018-10-26 22:14:38,110 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2018-10-26 22:14:38,509 WARN L179 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2018-10-26 22:14:38,752 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 38 [2018-10-26 22:14:38,754 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-10-26 22:14:38,754 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-10-26 22:14:38,754 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-10-26 22:14:38,755 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-10-26 22:14:38,755 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-10-26 22:14:38,755 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,755 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-10-26 22:14:38,755 INFO L421 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,755 INFO L421 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,755 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-10-26 22:14:38,756 INFO L425 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-10-26 22:14:38,756 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-10-26 22:14:38,756 INFO L425 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-10-26 22:14:38,756 INFO L421 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,756 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,756 INFO L421 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,756 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-10-26 22:14:38,756 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-10-26 22:14:38,757 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-10-26 22:14:38,757 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-10-26 22:14:38,757 INFO L428 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-10-26 22:14:38,757 INFO L425 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-10-26 22:14:38,757 INFO L425 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-10-26 22:14:38,757 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-10-26 22:14:38,757 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-10-26 22:14:38,757 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-10-26 22:14:38,757 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-10-26 22:14:38,757 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-10-26 22:14:38,757 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-10-26 22:14:38,758 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-10-26 22:14:38,758 INFO L428 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-10-26 22:14:38,758 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse0 (< |old(~pumpRunning~0)| ~waterLevel~0))) (and (or (< 2 (* 2 |old(~pumpRunning~0)|)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) .cse0 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))))) [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-10-26 22:14:38,758 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-10-26 22:14:38,759 INFO L421 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse7 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< .cse7 1)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or (let ((.cse4 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse4 .cse5 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse4 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse5))) (not (= ~systemActive~0 1))) (or .cse0 .cse6 .cse1 (< .cse7 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse6)))) [2018-10-26 22:14:38,759 INFO L425 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-10-26 22:14:38,759 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse5 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (< .cse5 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or .cse0 .cse4 .cse1 (< .cse5 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse6 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse6 .cse7 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse6 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse7))) (not (= ~systemActive~0 1)))))) [2018-10-26 22:14:38,759 INFO L421 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse4 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (< .cse4 1)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse6 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse2))) (not (= ~systemActive~0 1))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse4 0) (not (= ~methaneLevelCritical~0 0)) .cse5 .cse6) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse3 .cse5 .cse6)))) [2018-10-26 22:14:38,760 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (< .cse1 1))) (and (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse1 0) (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse4 .cse2 .cse3) (or (let ((.cse5 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse6 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse5 .cse6 .cse4 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse5 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse6))) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) (not (= ~systemActive~0 1)))))) [2018-10-26 22:14:38,760 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-10-26 22:14:38,760 INFO L421 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (< .cse1 1))) (and (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse1 0) (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse4 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse5 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse6 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse5 .cse6 .cse4 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse5 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse6))) (not (= ~systemActive~0 1)))))) [2018-10-26 22:14:38,760 INFO L425 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-10-26 22:14:38,760 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-10-26 22:14:38,760 INFO L425 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-10-26 22:14:38,760 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-10-26 22:14:38,761 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-10-26 22:14:38,761 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-10-26 22:14:38,761 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-10-26 22:14:38,761 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-10-26 22:14:38,761 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,761 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-10-26 22:14:38,761 INFO L421 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:14:38,761 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-10-26 22:14:38,762 INFO L421 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (or (and (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= ~waterLevel~0 (+ test_~tmp___2~0 2147483650)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 3) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (* 2 ~methaneLevelCritical~0) 2) (<= 0 (* 2 ~pumpRunning~0)) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) (= test_~splverifierCounter~0 0)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:14:38,762 INFO L425 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-10-26 22:14:38,762 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-10-26 22:14:38,762 INFO L421 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse5 (+ ~pumpRunning~0 2147483647))) (let ((.cse0 (<= ~methaneLevelCritical~0 (+ test_~tmp___0~1 2147483648))) (.cse3 (+ ~methaneLevelCritical~0 1)) (.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse6 (<= test_~tmp___0~1 .cse5)) (.cse9 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse2 (* 2 ~methaneLevelCritical~0)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse7 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 3 .cse1) (<= (+ ~methaneLevelCritical~0 test_~tmp___0~1) 2147483647) (<= ~waterLevel~0 (+ ~methaneLevelCritical~0 2)) (<= .cse2 0) (<= ~pumpRunning~0 .cse3) .cse4) (and (and (<= 0 (* 2 test_~splverifierCounter~0)) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= test_~tmp~4 .cse5) (<= test_~splverifierCounter~0 (+ test_~tmp~4 2147483648))) .cse0 (<= ~waterLevel~0 ~systemActive~0) .cse6 (<= .cse3 ~waterLevel~0) .cse7) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse8 (<= 2 .cse1)) (<= 1 .cse9) .cse6 (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse4) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (and (<= 2 .cse9) (and (<= ~systemActive~0 ~waterLevel~0) .cse8 (<= .cse2 2) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse4) .cse7) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-26 22:14:38,762 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-10-26 22:14:38,762 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-10-26 22:14:38,763 INFO L421 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse7 (+ ~pumpRunning~0 1))) (let ((.cse3 (<= .cse7 ~waterLevel~0)) (.cse4 (* 2 ~methaneLevelCritical~0)) (.cse5 (<= 0 (* 2 ~pumpRunning~0))) (.cse6 (= test_~splverifierCounter~0 0))) (let ((.cse1 (and .cse3 (<= ~waterLevel~0 .cse7) (<= .cse4 0) (<= (* 2 test_~tmp~4) 4294967294) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) .cse5 (<= test_~splverifierCounter~0 (+ test_~tmp~4 2147483648)) .cse6)) (.cse2 (and .cse3 (<= ~systemActive~0 ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= .cse4 2) .cse5 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse6)) (.cse0 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse2 (<= ~systemActive~0 ~methaneLevelCritical~0) .cse0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-10-26 22:14:38,763 INFO L421 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse2 (<= (+ ~pumpRunning~0 1) ~waterLevel~0)) (.cse3 (<= ~systemActive~0 ~waterLevel~0)) (.cse4 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (<= 0 (* 2 ~pumpRunning~0))) (.cse6 (= test_~splverifierCounter~0 0))) (let ((.cse1 (and .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6)) (.cse0 (and .cse2 .cse3 .cse4 (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= (* 2 ~methaneLevelCritical~0) 2) .cse5 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse6))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse1 (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1)) (and .cse0 (<= ~systemActive~0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-26 22:14:38,763 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-10-26 22:14:38,763 INFO L425 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-10-26 22:14:38,763 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-10-26 22:14:38,763 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 487 532) no Hoare annotation was computed. [2018-10-26 22:14:38,763 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-10-26 22:14:38,764 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))) [2018-10-26 22:14:38,764 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-10-26 22:14:38,764 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-10-26 22:14:38,764 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-10-26 22:14:38,764 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-10-26 22:14:38,764 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-10-26 22:14:38,764 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:14:38,764 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 22:14:38,764 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:14:38,764 INFO L421 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or (and (<= ~methaneLevelCritical~0 activatePump_~tmp~7) (= 0 ~pumpRunning~0) (<= activatePump_~tmp~7 ~methaneLevelCritical~0)) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|)))) (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0))) [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-10-26 22:14:38,765 INFO L421 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-26 22:14:38,765 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-10-26 22:14:38,765 INFO L428 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-10-26 22:14:38,765 INFO L425 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-10-26 22:14:38,766 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-10-26 22:14:38,766 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-10-26 22:14:38,766 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse8 (* 2 ~pumpRunning~0))) (let ((.cse0 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (< 0 .cse8)) (.cse7 (< (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|) 2)) (.cse1 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse6 (+ |old(~methaneLevelCritical~0)| 1))) (and (or (and .cse0 (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse1 .cse2 .cse3 .cse4) (or .cse1 (< ~waterLevel~0 ~systemActive~0) (and .cse0 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (< (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|) 0) .cse2 (not (= ~waterLevel~0 1)) .cse4) (let ((.cse5 (+ ~pumpRunning~0 1))) (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 .cse5)) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse5) (< .cse6 ~waterLevel~0) (< ~systemActive~0 |old(~methaneLevelCritical~0)|) .cse7 (< .cse5 ~systemActive~0))) (or (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (or .cse7 (< 2 .cse8) .cse1 .cse3 (< ~pumpRunning~0 .cse6)))))) [2018-10-26 22:14:38,766 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-10-26 22:14:38,766 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-10-26 22:14:38,766 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-10-26 22:14:38,766 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-10-26 22:14:38,766 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-10-26 22:14:38,767 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse6 (+ ~methaneLevelCritical~0 1)) (.cse4 (<= 2 .cse5)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse10 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse2 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse7)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse12 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse14 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse0 .cse1 .cse2 .cse3) .cse4) (or (and (<= .cse5 2) (<= .cse6 ~waterLevel~0) .cse7) (< |old(~waterLevel~0)| (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or (and (and (<= ~waterLevel~0 ~systemActive~0) .cse4) .cse8) (or (< .cse9 2) .cse0 .cse1 .cse10 .cse2 (< |old(~pumpRunning~0)| .cse6))) (or .cse11 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse12 .cse13 (< .cse14 1) .cse3) (or (and (and (<= ~waterLevel~0 ~methaneLevelCritical~0) .cse4) .cse8) (or (or (< .cse9 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse10 .cse2) (not (= ~systemActive~0 1)))) (or .cse11 .cse0 .cse12 (< .cse14 0) .cse1 .cse13 .cse3)))) [2018-10-26 22:14:38,767 INFO L421 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse9 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (+ ~methaneLevelCritical~0 1))) (let ((.cse0 (<= .cse7 ~waterLevel~0)) (.cse11 (and (= 1 ~waterLevel~0) .cse1)) (.cse12 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse14 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse10 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse8 (not (= ~systemActive~0 1))) (.cse3 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 3 .cse9)) (.cse15 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse16 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (and (or (and (<= ~waterLevel~0 ~systemActive~0) .cse0 .cse1) (or (< .cse2 2) .cse3 .cse4 .cse5 .cse6 (< |old(~pumpRunning~0)| .cse7))) (or (or .cse8 (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< .cse9 3) (< .cse7 |old(~waterLevel~0)|) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (and (<= .cse10 2) .cse0 .cse1)) (or .cse11 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse12 .cse13 (< .cse14 1) .cse15) (or .cse11 .cse3 .cse12 (< .cse14 0) .cse4 .cse13 .cse15) (or (and (<= 1 .cse10) .cse16 .cse1) (or (or (< .cse2 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse5 .cse6) .cse8)) (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse3 .cse4 .cse6 .cse15) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse16 (= ~pumpRunning~0 1)))))) [2018-10-26 22:14:38,767 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse14 (+ ~methaneLevelCritical~0 1))) (let ((.cse4 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse5 (<= .cse14 ~waterLevel~0)) (.cse7 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse8 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse9 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse2 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse10 (and (= 1 ~waterLevel~0) .cse6)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse11 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse13 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse0 .cse1 .cse2 .cse3) (<= 2 .cse4)) (or (and (<= .cse4 2) .cse5 .cse6) (< |old(~waterLevel~0)| (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or (and (and .cse5 .cse7) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (or (< .cse8 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse9 .cse2) (not (= ~systemActive~0 1)))) (or .cse10 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse11 .cse12 (< .cse13 1) .cse3) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse7 (= ~pumpRunning~0 1)) (or (< .cse8 2) .cse0 .cse1 .cse9 .cse2 (< |old(~pumpRunning~0)| .cse14))) (or .cse10 .cse0 .cse11 (< .cse13 0) .cse1 .cse12 .cse3)))) [2018-10-26 22:14:38,768 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse5 (+ ~methaneLevelCritical~0 1)) (.cse6 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse8 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse9 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (or (< .cse0 2) .cse1 .cse2 .cse3 .cse4 (< |old(~pumpRunning~0)| .cse5)) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse6 (= ~pumpRunning~0 1))) (or (and (and (<= .cse5 ~waterLevel~0) .cse6) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (or (< .cse0 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 .cse4) (not (= ~systemActive~0 1)))) (or .cse1 .cse7 (< .cse8 0) .cse2 .cse4 .cse9) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse7 (< .cse8 1) .cse4 .cse9))) [2018-10-26 22:14:38,768 INFO L425 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-10-26 22:14:38,768 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-10-26 22:14:38,768 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-10-26 22:14:38,768 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-10-26 22:14:38,768 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-10-26 22:14:38,768 INFO L428 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-10-26 22:14:38,768 INFO L425 ceAbstractionStarter]: For program point L775-1(lines 775 789) no Hoare annotation was computed. [2018-10-26 22:14:38,768 INFO L428 ceAbstractionStarter]: At program point L775-3(lines 775 789) the Hoare annotation is: true [2018-10-26 22:14:38,768 INFO L428 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-10-26 22:14:38,769 INFO L425 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-10-26 22:14:38,769 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-10-26 22:14:38,769 INFO L428 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-10-26 22:14:38,769 INFO L425 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-10-26 22:14:38,769 INFO L425 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-10-26 22:14:38,769 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse2 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse0 (+ ~methaneLevelCritical~0 1))) (and (or (and (<= .cse0 ~waterLevel~0) .cse1) (or (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| .cse0) (not (= ~methaneLevelCritical~0 1)) (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse2 (< (+ ~pumpRunning~0 2) |old(~waterLevel~0)|))) (or (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse1) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< ~pumpRunning~0 .cse0)))) [2018-10-26 22:14:38,769 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-10-26 22:14:38,769 INFO L425 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-10-26 22:14:38,769 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:14:38,769 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-10-26 22:14:38,770 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:14:38,770 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:14:38,770 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-10-26 22:14:38,770 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-10-26 22:14:38,770 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or .cse0 .cse4 .cse1 (< .cse2 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse4))) [2018-10-26 22:14:38,770 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-10-26 22:14:38,770 INFO L421 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4))) [2018-10-26 22:14:38,771 INFO L425 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-10-26 22:14:38,771 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0)))) (and (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or .cse1 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse4) (or (or .cse0 .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse4) .cse1))) [2018-10-26 22:14:38,771 INFO L421 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse6 (<= ~systemActive~0 processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 .cse4 .cse5) (or (and (<= processEnvironment__wrappee__highWaterSensor_~tmp~5 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) .cse6) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse4 (< .cse2 1) .cse5) (or (and (= 0 ~pumpRunning~0) (<= (+ ~waterLevel~0 processEnvironment__wrappee__highWaterSensor_~tmp~5) 3) .cse6) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse5)))) [2018-10-26 22:14:38,771 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-10-26 22:14:38,771 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or .cse0 .cse4 .cse1 (< .cse2 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse4))) [2018-10-26 22:14:38,771 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-10-26 22:14:38,772 INFO L425 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-10-26 22:14:38,772 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-10-26 22:14:38,772 INFO L425 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-10-26 22:14:38,772 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse7 (* 2 ~pumpRunning~0)) (.cse12 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (let ((.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse4 (< .cse12 1)) (.cse10 (= 1 ~waterLevel~0)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 0 .cse7)) (.cse9 (+ ~methaneLevelCritical~0 1)) (.cse8 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse7) .cse8 .cse5 (< ~pumpRunning~0 .cse9)) (or .cse10 .cse1 .cse2 .cse3 .cse11 .cse4 .cse6) (or .cse10 .cse8 .cse3 (< .cse12 0) (not (= ~methaneLevelCritical~0 0)) .cse11 .cse6) (or (<= .cse9 ~waterLevel~0) (< |old(~waterLevel~0)| (+ ~pumpRunning~0 2)) (< .cse9 |old(~waterLevel~0)|) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~pumpRunning~0 1) ~systemActive~0) .cse8)))) [2018-10-26 22:14:38,772 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-10-26 22:14:38,772 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-10-26 22:14:38,773 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-10-26 22:14:38,773 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-10-26 22:14:38,773 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-10-26 22:14:38,773 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 ~pumpRunning~0)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse5 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4))) [2018-10-26 22:14:38,773 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-10-26 22:14:38,773 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-10-26 22:14:38,773 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~waterLevel~0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse1 (not (= ~waterLevel~0 1)) (< 0 (* 2 ~pumpRunning~0))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))))) [2018-10-26 22:14:38,773 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-10-26 22:14:38,774 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-10-26 22:14:38,774 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-10-26 22:14:38,774 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-10-26 22:14:38,774 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-10-26 22:14:38,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:14:38 BoogieIcfgContainer [2018-10-26 22:14:38,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:14:38,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:14:38,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:14:38,809 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:14:38,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:06:05" (3/4) ... [2018-10-26 22:14:38,813 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:14:38,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:14:38,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:14:38,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:14:38,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:14:38,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 22:14:38,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:14:38,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 22:14:38,820 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:14:38,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:14:38,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:14:38,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:14:38,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:14:38,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:14:38,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:14:38,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:14:38,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:14:38,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:14:38,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-26 22:14:38,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:14:38,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:14:38,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && ((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && methaneLevelCritical == 0) && systemActive + waterLevel <= 3) && 0 <= 2 * pumpRunning) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || ((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && methaneLevelCritical == 0) && systemActive + waterLevel <= 3) && 0 <= 2 * pumpRunning) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || ((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) [2018-10-26 22:14:38,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 22:14:38,970 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8a2cae15-c9bf-4d47-ac36-c10a1b324b14/bin-2019/utaipan/witness.graphml [2018-10-26 22:14:38,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:14:38,973 INFO L168 Benchmark]: Toolchain (without parser) took 515930.30 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 950.4 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-10-26 22:14:38,973 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:14:38,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.81 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:38,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 926.3 MB in the beginning and 1.1 GB in the end (delta: -222.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:38,975 INFO L168 Benchmark]: Boogie Preprocessor took 69.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:38,976 INFO L168 Benchmark]: RCFGBuilder took 1389.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:38,976 INFO L168 Benchmark]: TraceAbstraction took 513621.50 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. [2018-10-26 22:14:38,977 INFO L168 Benchmark]: Witness Printer took 169.73 ms. Allocated memory is still 5.0 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 22:14:38,979 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 504.81 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.3 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 170.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 926.3 MB in the beginning and 1.1 GB in the end (delta: -222.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1389.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 513621.50 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. * Witness Printer took 169.73 ms. Allocated memory is still 5.0 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && ((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && methaneLevelCritical == 0) && systemActive + waterLevel <= 3) && 0 <= 2 * pumpRunning) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || ((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && methaneLevelCritical == 0) && systemActive + waterLevel <= 3) && 0 <= 2 * pumpRunning) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || ((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 155 locations, 1 error locations. SAFE Result, 513.4s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 226.8s AutomataDifference, 0.0s DeadEndRemovalTime, 37.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2692 SDtfs, 3778 SDslu, 17982 SDs, 0 SdLazy, 15779 SolverSat, 1479 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 131.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 682 GetRequests, 329 SyntacticMatches, 21 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10156 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1635occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 190.0s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9935219823709573 AbsIntWeakeningRatio, 0.9210526315789473 AbsIntAvgWeakeningVarsNumRemoved, 5975.50956937799 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 709 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2537 PreInvPairs, 2614 NumberOfFragments, 4129 HoareAnnotationTreeSize, 2537 FomulaSimplifications, 61580 FormulaSimplificationTreeSizeReduction, 7.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 303169 FormulaSimplificationTreeSizeReductionInter, 29.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1248 NumberOfCodeBlocks, 1248 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1235 ConstructedInterpolants, 0 QuantifiedInterpolants, 206139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 111/121 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...