./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/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 ce17648ffa5822f201dca35a60378555aafbd885 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:32:09,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:32:09,408 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:32:09,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:32:09,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:32:09,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:32:09,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:32:09,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:32:09,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:32:09,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:32:09,420 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:32:09,420 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:32:09,421 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:32:09,421 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:32:09,422 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:32:09,422 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:32:09,423 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:32:09,423 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:32:09,425 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:32:09,426 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:32:09,427 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:32:09,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:32:09,429 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:32:09,429 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:32:09,429 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:32:09,430 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:32:09,431 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:32:09,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:32:09,432 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:32:09,432 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:32:09,432 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:32:09,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:32:09,433 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:32:09,433 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:32:09,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:32:09,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:32:09,434 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:32:09,444 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:32:09,444 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:32:09,445 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:32:09,445 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:32:09,445 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:32:09,445 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:32:09,445 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:32:09,446 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:32:09,446 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:32:09,446 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:32:09,446 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:32:09,446 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:32:09,446 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:32:09,447 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:32:09,447 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:32:09,447 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:32:09,447 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:32:09,447 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:32:09,447 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:32:09,448 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:32:09,448 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:32:09,448 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:32:09,448 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:32:09,448 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:32:09,448 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:32:09,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:32:09,449 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:32:09,449 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:32:09,449 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:32:09,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:32:09,449 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:32:09,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:32:09,449 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:32:09,450 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:32:09,450 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:32:09,450 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:32:09,450 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:32:09,450 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_c227178a-93b4-4ace-a8b6-b9254ae54603/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2018-11-18 11:32:09,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:32:09,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:32:09,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:32:09,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:32:09,489 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:32:09,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:09,535 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/data/47bc4bd97/baa3c5a5239a41de9f819b776e52590d/FLAG2cae79265 [2018-11-18 11:32:09,905 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:32:09,906 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:09,917 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/data/47bc4bd97/baa3c5a5239a41de9f819b776e52590d/FLAG2cae79265 [2018-11-18 11:32:10,299 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/data/47bc4bd97/baa3c5a5239a41de9f819b776e52590d [2018-11-18 11:32:10,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:32:10,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:32:10,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:10,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:32:10,305 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:32:10,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f938bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10, skipping insertion in model container [2018-11-18 11:32:10,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:32:10,347 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:32:10,539 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:10,548 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:32:10,644 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:10,662 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:32:10,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10 WrapperNode [2018-11-18 11:32:10,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:10,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:10,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:32:10,663 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:32:10,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:10,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:32:10,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:32:10,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:32:10,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... [2018-11-18 11:32:10,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:32:10,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:32:10,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:32:10,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:32:10,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:32:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:32:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:32:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:32:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:32:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:32:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:32:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 11:32:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 11:32:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:32:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:32:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:32:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 11:32:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 11:32:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:32:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:32:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:32:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:32:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:32:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:32:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:32:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:32:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 11:32:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 11:32:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 11:32:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 11:32:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:32:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:32:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 11:32:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 11:32:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:32:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:32:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:32:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:32:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:32:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:32:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:32:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:32:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:32:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:32:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 11:32:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 11:32:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:32:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:32:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:32:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:32:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:32:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:32:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:32:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:32:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:32:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:32:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:32:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:32:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:32:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:32:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:32:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:32:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:32:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:32:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:32:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:32:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:32:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:32:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:32:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:32:11,250 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:32:11,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:11 BoogieIcfgContainer [2018-11-18 11:32:11,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:32:11,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:32:11,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:32:11,253 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:32:11,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:32:10" (1/3) ... [2018-11-18 11:32:11,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a51b89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:32:11, skipping insertion in model container [2018-11-18 11:32:11,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:10" (2/3) ... [2018-11-18 11:32:11,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a51b89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:32:11, skipping insertion in model container [2018-11-18 11:32:11,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:11" (3/3) ... [2018-11-18 11:32:11,256 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:11,262 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:32:11,267 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:32:11,277 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:32:11,300 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:32:11,300 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:32:11,300 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:32:11,300 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:32:11,300 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:32:11,300 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:32:11,301 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:32:11,301 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:32:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-11-18 11:32:11,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:32:11,322 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:11,323 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:11,325 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:11,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:11,329 INFO L82 PathProgramCache]: Analyzing trace with hash 901711888, now seen corresponding path program 1 times [2018-11-18 11:32:11,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:11,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:11,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:11,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:11,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:32:11,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:11,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:32:11,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:32:11,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:32:11,543 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-11-18 11:32:11,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:11,577 INFO L93 Difference]: Finished difference Result 318 states and 391 transitions. [2018-11-18 11:32:11,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:32:11,578 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 11:32:11,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:11,588 INFO L225 Difference]: With dead ends: 318 [2018-11-18 11:32:11,588 INFO L226 Difference]: Without dead ends: 159 [2018-11-18 11:32:11,592 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:32:11,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-18 11:32:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-18 11:32:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-18 11:32:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 187 transitions. [2018-11-18 11:32:11,632 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 187 transitions. Word has length 46 [2018-11-18 11:32:11,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:11,633 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 187 transitions. [2018-11-18 11:32:11,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:32:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 187 transitions. [2018-11-18 11:32:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:32:11,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:11,636 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:11,636 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:11,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:11,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1906985303, now seen corresponding path program 1 times [2018-11-18 11:32:11,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:11,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:11,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:11,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:11,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:32:11,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:11,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:32:11,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:32:11,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:11,718 INFO L87 Difference]: Start difference. First operand 159 states and 187 transitions. Second operand 3 states. [2018-11-18 11:32:11,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:11,736 INFO L93 Difference]: Finished difference Result 261 states and 307 transitions. [2018-11-18 11:32:11,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:32:11,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 11:32:11,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:11,738 INFO L225 Difference]: With dead ends: 261 [2018-11-18 11:32:11,738 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 11:32:11,739 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 11:32:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-18 11:32:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 11:32:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-18 11:32:11,751 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 48 [2018-11-18 11:32:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:11,752 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-18 11:32:11,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:32:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-18 11:32:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:32:11,753 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:11,753 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:11,754 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:11,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:11,754 INFO L82 PathProgramCache]: Analyzing trace with hash 678314657, now seen corresponding path program 1 times [2018-11-18 11:32:11,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:11,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:11,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:11,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:11,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:32:11,862 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:11,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:32:11,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:32:11,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:11,863 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-11-18 11:32:11,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:11,887 INFO L93 Difference]: Finished difference Result 274 states and 325 transitions. [2018-11-18 11:32:11,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:32:11,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 11:32:11,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:11,890 INFO L225 Difference]: With dead ends: 274 [2018-11-18 11:32:11,891 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 11:32:11,892 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:11,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 11:32:11,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-18 11:32:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 11:32:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 173 transitions. [2018-11-18 11:32:11,904 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 173 transitions. Word has length 53 [2018-11-18 11:32:11,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:11,904 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 173 transitions. [2018-11-18 11:32:11,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:32:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 173 transitions. [2018-11-18 11:32:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:32:11,907 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:11,908 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] [2018-11-18 11:32:11,908 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:11,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:11,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1232732061, now seen corresponding path program 1 times [2018-11-18 11:32:11,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:11,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:11,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:11,909 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:12,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:12,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:32:12,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:12,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:32:12,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:32:12,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:32:12,013 INFO L87 Difference]: Start difference. First operand 149 states and 173 transitions. Second operand 5 states. [2018-11-18 11:32:12,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:12,566 INFO L93 Difference]: Finished difference Result 393 states and 470 transitions. [2018-11-18 11:32:12,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:32:12,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 11:32:12,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:12,569 INFO L225 Difference]: With dead ends: 393 [2018-11-18 11:32:12,569 INFO L226 Difference]: Without dead ends: 268 [2018-11-18 11:32:12,570 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:32:12,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-11-18 11:32:12,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 248. [2018-11-18 11:32:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-11-18 11:32:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 278 transitions. [2018-11-18 11:32:12,592 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 278 transitions. Word has length 71 [2018-11-18 11:32:12,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:12,592 INFO L480 AbstractCegarLoop]: Abstraction has 248 states and 278 transitions. [2018-11-18 11:32:12,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:32:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 278 transitions. [2018-11-18 11:32:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 11:32:12,594 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:12,594 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, 1, 1] [2018-11-18 11:32:12,595 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:12,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:12,595 INFO L82 PathProgramCache]: Analyzing trace with hash 873781283, now seen corresponding path program 1 times [2018-11-18 11:32:12,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:12,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:12,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:12,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:12,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:12,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:12,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:32:12,726 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:12,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:32:12,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:32:12,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:32:12,727 INFO L87 Difference]: Start difference. First operand 248 states and 278 transitions. Second operand 10 states. [2018-11-18 11:32:13,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:13,151 INFO L93 Difference]: Finished difference Result 811 states and 979 transitions. [2018-11-18 11:32:13,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:32:13,152 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-11-18 11:32:13,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:13,156 INFO L225 Difference]: With dead ends: 811 [2018-11-18 11:32:13,156 INFO L226 Difference]: Without dead ends: 587 [2018-11-18 11:32:13,157 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:32:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2018-11-18 11:32:13,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 577. [2018-11-18 11:32:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2018-11-18 11:32:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 666 transitions. [2018-11-18 11:32:13,193 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 666 transitions. Word has length 85 [2018-11-18 11:32:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:13,194 INFO L480 AbstractCegarLoop]: Abstraction has 577 states and 666 transitions. [2018-11-18 11:32:13,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:32:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 666 transitions. [2018-11-18 11:32:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 11:32:13,197 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:13,197 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 11:32:13,197 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:13,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:13,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1844205509, now seen corresponding path program 1 times [2018-11-18 11:32:13,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:13,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:13,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,199 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 11:32:13,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:13,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:13,307 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-18 11:32:13,308 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [78], [81], [83], [84], [99], [102], [103], [104], [108], [114], [118], [122], [125], [130], [136], [138], [144], [147], [161], [162], [174], [175], [176], [178], [181], [185], [186], [228], [232], [238], [246], [250], [253], [255], [261], [268], [273], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [303], [304], [307], [317], [318], [319], [320], [325], [326], [333], [334], [341], [342], [343], [344], [345], [346], [347], [349], [350], [353], [354] [2018-11-18 11:32:13,337 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:13,337 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:13,624 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:32:13,625 INFO L272 AbstractInterpreter]: Visited 55 different actions 55 times. Never merged. Never widened. Performed 2097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 11:32:13,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:13,638 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:32:13,906 INFO L227 lantSequenceWeakener]: Weakened 84 states. On average, predicates are now at 97.37% of their original sizes. [2018-11-18 11:32:13,906 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:32:13,971 INFO L415 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2018-11-18 11:32:13,971 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:32:13,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:32:13,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-11-18 11:32:13,972 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:13,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:32:13,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:32:13,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:32:13,973 INFO L87 Difference]: Start difference. First operand 577 states and 666 transitions. Second operand 7 states. [2018-11-18 11:32:14,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:14,907 INFO L93 Difference]: Finished difference Result 1170 states and 1369 transitions. [2018-11-18 11:32:14,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:32:14,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2018-11-18 11:32:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:14,912 INFO L225 Difference]: With dead ends: 1170 [2018-11-18 11:32:14,912 INFO L226 Difference]: Without dead ends: 747 [2018-11-18 11:32:14,913 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:32:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2018-11-18 11:32:14,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 743. [2018-11-18 11:32:14,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-11-18 11:32:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 859 transitions. [2018-11-18 11:32:14,965 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 859 transitions. Word has length 150 [2018-11-18 11:32:14,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:14,966 INFO L480 AbstractCegarLoop]: Abstraction has 743 states and 859 transitions. [2018-11-18 11:32:14,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:32:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 859 transitions. [2018-11-18 11:32:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:32:14,968 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:14,969 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:14,969 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:14,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash -58709422, now seen corresponding path program 1 times [2018-11-18 11:32:14,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:14,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:14,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:32:15,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:15,039 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:15,040 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-18 11:32:15,040 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [72], [74], [75], [76], [77], [78], [81], [83], [84], [87], [89], [92], [99], [102], [104], [108], [114], [118], [122], [125], [128], [130], [136], [138], [144], [147], [157], [158], [161], [162], [163], [165], [170], [173], [174], [175], [176], [178], [181], [185], [186], [194], [195], [225], [228], [232], [238], [241], [245], [246], [250], [253], [255], [258], [268], [273], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [303], [304], [307], [309], [310], [311], [312], [313], [314], [317], [318], [319], [320], [325], [326], [329], [330], [331], [332], [333], [334], [339], [340], [341], [342], [343], [344], [345], [346], [347], [349], [350], [351], [352] [2018-11-18 11:32:15,043 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:15,043 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:16,104 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:32:16,104 INFO L272 AbstractInterpreter]: Visited 121 different actions 690 times. Merged at 18 different actions 52 times. Never widened. Performed 23230 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23230 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 133 variables. [2018-11-18 11:32:16,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:16,107 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:32:16,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:16,107 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:32:16,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:16,114 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:32:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:16,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:32:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:32:16,357 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:32:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:32:16,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:32:16,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6, 10] total 19 [2018-11-18 11:32:16,649 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:16,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 11:32:16,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 11:32:16,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:32:16,650 INFO L87 Difference]: Start difference. First operand 743 states and 859 transitions. Second operand 11 states. [2018-11-18 11:32:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:17,691 INFO L93 Difference]: Finished difference Result 1417 states and 1773 transitions. [2018-11-18 11:32:17,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 11:32:17,691 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 154 [2018-11-18 11:32:17,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:17,695 INFO L225 Difference]: With dead ends: 1417 [2018-11-18 11:32:17,695 INFO L226 Difference]: Without dead ends: 994 [2018-11-18 11:32:17,696 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 286 SyntacticMatches, 12 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2018-11-18 11:32:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-18 11:32:17,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 889. [2018-11-18 11:32:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2018-11-18 11:32:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1041 transitions. [2018-11-18 11:32:17,737 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1041 transitions. Word has length 154 [2018-11-18 11:32:17,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:17,738 INFO L480 AbstractCegarLoop]: Abstraction has 889 states and 1041 transitions. [2018-11-18 11:32:17,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 11:32:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1041 transitions. [2018-11-18 11:32:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 11:32:17,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:17,740 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:17,740 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:17,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:17,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1676146904, now seen corresponding path program 1 times [2018-11-18 11:32:17,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:17,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:17,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:17,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:17,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:32:17,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:17,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:17,820 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-18 11:32:17,820 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [72], [74], [75], [76], [77], [78], [81], [83], [84], [87], [89], [92], [99], [102], [104], [108], [114], [118], [122], [128], [130], [136], [138], [144], [147], [157], [158], [161], [162], [163], [165], [170], [173], [174], [175], [176], [178], [181], [185], [186], [194], [195], [225], [228], [232], [238], [241], [245], [246], [250], [253], [255], [258], [268], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [303], [304], [307], [309], [310], [311], [312], [313], [314], [317], [318], [325], [326], [329], [330], [331], [332], [333], [334], [339], [340], [341], [342], [343], [344], [345], [346], [347], [349], [350], [351], [352] [2018-11-18 11:32:17,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:17,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:18,130 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:32:18,130 INFO L272 AbstractInterpreter]: Visited 116 different actions 278 times. Merged at 16 different actions 16 times. Never widened. Performed 8146 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8146 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 11:32:18,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:18,138 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:32:18,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:18,138 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:32:18,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:18,144 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:32:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:18,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:32:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:32:18,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:32:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:32:18,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:32:18,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2018-11-18 11:32:18,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:18,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:32:18,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:32:18,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:32:18,451 INFO L87 Difference]: Start difference. First operand 889 states and 1041 transitions. Second operand 6 states. [2018-11-18 11:32:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:18,506 INFO L93 Difference]: Finished difference Result 1796 states and 2186 transitions. [2018-11-18 11:32:18,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:32:18,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-18 11:32:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:18,509 INFO L225 Difference]: With dead ends: 1796 [2018-11-18 11:32:18,510 INFO L226 Difference]: Without dead ends: 931 [2018-11-18 11:32:18,512 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 297 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:32:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2018-11-18 11:32:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 919. [2018-11-18 11:32:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2018-11-18 11:32:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1073 transitions. [2018-11-18 11:32:18,552 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1073 transitions. Word has length 150 [2018-11-18 11:32:18,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:18,552 INFO L480 AbstractCegarLoop]: Abstraction has 919 states and 1073 transitions. [2018-11-18 11:32:18,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:32:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1073 transitions. [2018-11-18 11:32:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 11:32:18,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:18,555 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:18,555 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:18,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:18,555 INFO L82 PathProgramCache]: Analyzing trace with hash 619415702, now seen corresponding path program 1 times [2018-11-18 11:32:18,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:18,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:18,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:18,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:18,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:32:18,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:18,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:18,643 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-18 11:32:18,644 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [72], [74], [75], [76], [77], [78], [81], [83], [84], [87], [89], [92], [99], [102], [104], [108], [114], [118], [122], [128], [130], [136], [138], [144], [147], [157], [158], [161], [162], [163], [165], [170], [173], [174], [175], [176], [178], [183], [185], [186], [194], [195], [225], [228], [232], [238], [241], [245], [246], [250], [253], [255], [258], [268], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [303], [304], [307], [309], [310], [311], [312], [313], [314], [317], [318], [325], [326], [329], [330], [331], [332], [333], [334], [339], [340], [341], [342], [343], [344], [345], [346], [347], [349], [350], [351], [352] [2018-11-18 11:32:18,647 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:18,647 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:19,181 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:32:19,181 INFO L272 AbstractInterpreter]: Visited 116 different actions 278 times. Merged at 16 different actions 16 times. Never widened. Performed 8146 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8146 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 11:32:19,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:19,206 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:32:19,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:19,206 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:32:19,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:19,215 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:32:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:19,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:32:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:32:19,369 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:32:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:32:19,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:32:19,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2018-11-18 11:32:19,660 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:19,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:32:19,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:32:19,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:32:19,661 INFO L87 Difference]: Start difference. First operand 919 states and 1073 transitions. Second operand 5 states. [2018-11-18 11:32:19,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:19,704 INFO L93 Difference]: Finished difference Result 1567 states and 1871 transitions. [2018-11-18 11:32:19,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:32:19,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-18 11:32:19,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:19,708 INFO L225 Difference]: With dead ends: 1567 [2018-11-18 11:32:19,708 INFO L226 Difference]: Without dead ends: 672 [2018-11-18 11:32:19,710 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:32:19,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-18 11:32:19,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2018-11-18 11:32:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-11-18 11:32:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 788 transitions. [2018-11-18 11:32:19,747 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 788 transitions. Word has length 150 [2018-11-18 11:32:19,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:19,748 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 788 transitions. [2018-11-18 11:32:19,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:32:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 788 transitions. [2018-11-18 11:32:19,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 11:32:19,751 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:19,751 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:32:19,751 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:19,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:19,751 INFO L82 PathProgramCache]: Analyzing trace with hash -913930948, now seen corresponding path program 1 times [2018-11-18 11:32:19,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:19,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:19,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:19,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:19,752 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 11:32:19,861 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:19,861 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:19,861 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-11-18 11:32:19,861 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [56], [57], [58], [60], [65], [67], [68], [69], [72], [74], [75], [76], [77], [78], [82], [83], [84], [87], [89], [92], [95], [99], [102], [103], [104], [108], [114], [118], [122], [125], [128], [130], [136], [138], [144], [147], [157], [158], [159], [160], [161], [162], [163], [165], [170], [173], [174], [175], [176], [178], [183], [185], [186], [194], [195], [225], [228], [232], [238], [241], [245], [246], [250], [253], [255], [258], [265], [268], [273], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [297], [298], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [325], [326], [329], [330], [331], [332], [333], [334], [339], [340], [341], [342], [343], [344], [345], [346], [347], [349], [350], [351], [352], [355], [356] [2018-11-18 11:32:19,863 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:19,863 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:21,208 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:32:21,208 INFO L272 AbstractInterpreter]: Visited 144 different actions 908 times. Merged at 20 different actions 67 times. Never widened. Performed 30859 root evaluator evaluations with a maximum evaluation depth of 5. Performed 30859 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-18 11:32:21,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:21,209 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:32:21,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:21,210 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:32:21,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:21,216 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:32:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:21,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:32:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 11:32:21,407 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:32:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 11:32:21,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:32:21,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 11:32:21,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:21,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:32:21,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:32:21,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:32:21,619 INFO L87 Difference]: Start difference. First operand 672 states and 788 transitions. Second operand 6 states. [2018-11-18 11:32:21,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:21,682 INFO L93 Difference]: Finished difference Result 1180 states and 1406 transitions. [2018-11-18 11:32:21,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:32:21,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 225 [2018-11-18 11:32:21,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:21,686 INFO L225 Difference]: With dead ends: 1180 [2018-11-18 11:32:21,686 INFO L226 Difference]: Without dead ends: 688 [2018-11-18 11:32:21,688 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 445 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 11:32:21,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2018-11-18 11:32:21,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 682. [2018-11-18 11:32:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-11-18 11:32:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 798 transitions. [2018-11-18 11:32:21,726 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 798 transitions. Word has length 225 [2018-11-18 11:32:21,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:21,727 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 798 transitions. [2018-11-18 11:32:21,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:32:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 798 transitions. [2018-11-18 11:32:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 11:32:21,730 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:21,730 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:32:21,730 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:21,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:21,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2056180154, now seen corresponding path program 1 times [2018-11-18 11:32:21,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:21,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:21,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:21,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:21,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 11:32:21,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:21,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:21,877 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-11-18 11:32:21,877 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [56], [57], [58], [60], [63], [67], [68], [69], [72], [74], [75], [76], [77], [78], [82], [83], [84], [87], [89], [92], [95], [99], [102], [103], [104], [108], [114], [118], [122], [125], [128], [130], [136], [138], [144], [147], [157], [158], [159], [160], [161], [162], [163], [165], [170], [173], [174], [175], [176], [178], [183], [185], [186], [194], [195], [225], [228], [232], [238], [241], [245], [246], [250], [253], [255], [258], [265], [268], [273], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [297], [298], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [325], [326], [329], [330], [331], [332], [333], [334], [339], [340], [341], [342], [343], [344], [345], [346], [347], [349], [350], [351], [352], [355], [356] [2018-11-18 11:32:21,881 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:21,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:22,605 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:32:22,605 INFO L272 AbstractInterpreter]: Visited 144 different actions 698 times. Merged at 17 different actions 48 times. Never widened. Performed 21216 root evaluator evaluations with a maximum evaluation depth of 5. Performed 21216 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-18 11:32:22,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:22,618 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:32:22,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:22,618 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:32:22,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:22,635 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:32:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:22,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:32:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:32:22,818 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:32:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 53 proven. 16 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 11:32:23,190 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:32:23,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2018-11-18 11:32:23,190 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:32:23,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 11:32:23,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 11:32:23,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-11-18 11:32:23,191 INFO L87 Difference]: Start difference. First operand 682 states and 798 transitions. Second operand 16 states. [2018-11-18 11:32:24,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:24,191 INFO L93 Difference]: Finished difference Result 1124 states and 1369 transitions. [2018-11-18 11:32:24,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 11:32:24,191 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 225 [2018-11-18 11:32:24,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:24,192 INFO L225 Difference]: With dead ends: 1124 [2018-11-18 11:32:24,192 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:32:24,193 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=792, Unknown=0, NotChecked=0, Total=992 [2018-11-18 11:32:24,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:32:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:32:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:32:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:32:24,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2018-11-18 11:32:24,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:24,194 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:32:24,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 11:32:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:32:24,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:32:24,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:32:24,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:24,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:24,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:24,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:24,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:24,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:24,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:26,062 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-18 11:32:26,062 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-18 11:32:26,062 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-18 11:32:26,062 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-18 11:32:26,062 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-18 11:32:26,062 INFO L425 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-18 11:32:26,062 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2018-11-18 11:32:26,062 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2018-11-18 11:32:26,063 INFO L421 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (< ~waterLevel~0 2)) (or (not (= 0 ~pumpRunning~0)) .cse0 (< ~waterLevel~0 1)))) [2018-11-18 11:32:26,063 INFO L425 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2018-11-18 11:32:26,063 INFO L421 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (< ~waterLevel~0 2)) (or (not (= 0 ~pumpRunning~0)) .cse0 (< ~waterLevel~0 1)))) [2018-11-18 11:32:26,063 INFO L425 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2018-11-18 11:32:26,063 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2018-11-18 11:32:26,063 INFO L425 ceAbstractionStarter]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2018-11-18 11:32:26,063 INFO L428 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-18 11:32:26,063 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,063 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2018-11-18 11:32:26,063 INFO L421 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (and (= main_~tmp~8 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,064 INFO L421 ceAbstractionStarter]: At program point L528-1(line 528) the Hoare annotation is: (or (and (= main_~tmp~8 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,064 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2018-11-18 11:32:26,064 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2018-11-18 11:32:26,064 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2018-11-18 11:32:26,064 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 11:32:26,064 INFO L421 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,064 INFO L421 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,064 INFO L421 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,064 INFO L421 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 11:32:26,064 INFO L425 ceAbstractionStarter]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2018-11-18 11:32:26,064 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (or (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-11-18 11:32:26,064 INFO L421 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 11:32:26,064 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L421 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L421 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L428 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-11-18 11:32:26,065 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-18 11:32:26,066 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L428 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (or (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0)) [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2018-11-18 11:32:26,066 INFO L425 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2018-11-18 11:32:26,067 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2018-11-18 11:32:26,067 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2018-11-18 11:32:26,067 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2018-11-18 11:32:26,067 INFO L421 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 11:32:26,067 INFO L425 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-11-18 11:32:26,067 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2018-11-18 11:32:26,067 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2018-11-18 11:32:26,067 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (or (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-11-18 11:32:26,067 INFO L421 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 11:32:26,067 INFO L425 ceAbstractionStarter]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2018-11-18 11:32:26,067 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 11:32:26,067 INFO L421 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 11:32:26,067 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2018-11-18 11:32:26,068 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2018-11-18 11:32:26,068 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2018-11-18 11:32:26,068 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,068 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 64 111) no Hoare annotation was computed. [2018-11-18 11:32:26,068 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2018-11-18 11:32:26,068 INFO L421 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:32:26,068 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-18 11:32:26,068 INFO L421 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= 1 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:32:26,068 INFO L425 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2018-11-18 11:32:26,068 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= 1 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:32:26,068 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2018-11-18 11:32:26,068 INFO L421 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= 1 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L421 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= 1 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:32:26,069 INFO L421 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= 1 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (< ~waterLevel~0 2) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2018-11-18 11:32:26,069 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2018-11-18 11:32:26,069 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L421 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:32:26,070 INFO L421 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2018-11-18 11:32:26,070 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L428 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L428 ceAbstractionStarter]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2018-11-18 11:32:26,071 INFO L425 ceAbstractionStarter]: For program point L455-1(lines 455 469) no Hoare annotation was computed. [2018-11-18 11:32:26,071 INFO L428 ceAbstractionStarter]: At program point L455-3(lines 455 469) the Hoare annotation is: true [2018-11-18 11:32:26,072 INFO L428 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: true [2018-11-18 11:32:26,072 INFO L425 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-18 11:32:26,072 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2018-11-18 11:32:26,072 INFO L428 ceAbstractionStarter]: At program point L470(lines 445 474) the Hoare annotation is: true [2018-11-18 11:32:26,072 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 11:32:26,072 INFO L425 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-18 11:32:26,072 INFO L421 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1) (< |old(~waterLevel~0)| 2)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (< |old(~waterLevel~0)| 1)))) [2018-11-18 11:32:26,072 INFO L421 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and (<= 2 ~waterLevel~0) .cse2)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1)) (or .cse0 (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 (< |old(~waterLevel~0)| 2))))) [2018-11-18 11:32:26,072 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2018-11-18 11:32:26,072 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 (< |old(~waterLevel~0)| 2)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1)))) [2018-11-18 11:32:26,072 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2018-11-18 11:32:26,072 INFO L425 ceAbstractionStarter]: For program point L138(lines 137 156) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~systemActive~0 0) (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2))) [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 11:32:26,073 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2018-11-18 11:32:26,073 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 11:32:26,073 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L421 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 11:32:26,074 INFO L421 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L421 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1))) (or .cse2 .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse3 .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2018-11-18 11:32:26,074 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= ~systemActive~0 0))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1 (< |old(~waterLevel~0)| 1)) (or (< |old(~waterLevel~0)| 2) .cse1 .cse0))) [2018-11-18 11:32:26,074 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 11:32:26,075 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 11:32:26,075 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 11:32:26,075 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 11:32:26,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:32:26 BoogieIcfgContainer [2018-11-18 11:32:26,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:32:26,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:32:26,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:32:26,085 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:32:26,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:11" (3/4) ... [2018-11-18 11:32:26,092 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:32:26,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:32:26,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:32:26,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:32:26,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:32:26,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:32:26,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:32:26,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 11:32:26,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:32:26,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:32:26,111 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 11:32:26,112 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:32:26,112 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:32:26,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 11:32:26,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:32:26,164 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c227178a-93b4-4ace-a8b6-b9254ae54603/bin-2019/utaipan/witness.graphml [2018-11-18 11:32:26,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:32:26,165 INFO L168 Benchmark]: Toolchain (without parser) took 15863.35 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 956.6 MB in the beginning and 1.7 GB in the end (delta: -778.7 MB). Peak memory consumption was 231.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:26,165 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:32:26,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:26,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:32:26,166 INFO L168 Benchmark]: Boogie Preprocessor took 26.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:26,166 INFO L168 Benchmark]: RCFGBuilder took 536.27 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:26,166 INFO L168 Benchmark]: TraceAbstraction took 14833.31 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 871.9 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -670.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 11:32:26,167 INFO L168 Benchmark]: Witness Printer took 79.52 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 99.6 kB). Peak memory consumption was 99.6 kB. Max. memory is 11.5 GB. [2018-11-18 11:32:26,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 536.27 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14833.31 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 871.9 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -670.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 79.52 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 99.6 kB). Peak memory consumption was 99.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. SAFE Result, 14.7s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2214 SDtfs, 1896 SDslu, 5033 SDs, 0 SdLazy, 3613 SolverSat, 928 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2074 GetRequests, 1936 SyntacticMatches, 25 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=919occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 6 AbstIntIterations, 1 AbstIntStrong, 0.9979045453856836 AbsIntWeakeningRatio, 0.8456375838926175 AbsIntAvgWeakeningVarsNumRemoved, 64.01342281879195 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 157 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 2124 PreInvPairs, 2247 NumberOfFragments, 1084 HoareAnnotationTreeSize, 2124 FomulaSimplifications, 3777 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 71 FomulaSimplificationsInter, 9251 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2261 NumberOfCodeBlocks, 2261 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3144 ConstructedInterpolants, 0 QuantifiedInterpolants, 781206 SizeOfPredicates, 23 NumberOfNonLiveVariables, 4266 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 21 InterpolantComputations, 9 PerfectInterpolantSequences, 1023/1089 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...