./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35_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_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/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 426d9f957077f660214567f7d0d5aaa1a30c29c0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:53:46,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:53:46,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:53:46,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:53:46,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:53:46,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:53:46,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:53:46,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:53:46,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:53:46,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:53:46,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:53:46,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:53:46,456 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:53:46,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:53:46,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:53:46,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:53:46,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:53:46,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:53:46,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:53:46,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:53:46,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:53:46,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:53:46,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:53:46,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:53:46,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:53:46,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:53:46,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:53:46,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:53:46,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:53:46,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:53:46,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:53:46,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:53:46,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:53:46,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:53:46,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:53:46,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:53:46,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:53:46,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:53:46,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:53:46,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:53:46,485 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:53:46,485 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:53:46,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:53:46,485 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:53:46,485 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:53:46,485 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:53:46,485 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:53:46,485 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:53:46,486 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:53:46,486 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:53:46,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:53:46,488 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:53:46,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:53:46,489 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:53:46,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:53:46,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:53:46,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:53:46,489 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:53:46,489 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:53:46,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:53:46,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:53:46,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:53:46,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:53:46,490 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:53:46,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:53:46,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:53:46,490 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:53:46,490 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_f1517605-8971-42bb-9b70-35503d67c537/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 -> 426d9f957077f660214567f7d0d5aaa1a30c29c0 [2018-11-18 12:53:46,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:53:46,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:53:46,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:53:46,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:53:46,534 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:53:46,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product35_true-unreach-call_false-termination.cil.c [2018-11-18 12:53:46,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/data/40d587279/a885bb1d1ee84ebda311ab2073d84573/FLAG94243047f [2018-11-18 12:53:47,006 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:53:47,007 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/sv-benchmarks/c/product-lines/minepump_spec5_product35_true-unreach-call_false-termination.cil.c [2018-11-18 12:53:47,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/data/40d587279/a885bb1d1ee84ebda311ab2073d84573/FLAG94243047f [2018-11-18 12:53:47,028 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/data/40d587279/a885bb1d1ee84ebda311ab2073d84573 [2018-11-18 12:53:47,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:53:47,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:53:47,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:53:47,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:53:47,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:53:47,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6272b034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47, skipping insertion in model container [2018-11-18 12:53:47,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:53:47,084 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:53:47,327 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:53:47,336 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:53:47,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:53:47,426 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:53:47,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47 WrapperNode [2018-11-18 12:53:47,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:53:47,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:53:47,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:53:47,427 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:53:47,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:53:47,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:53:47,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:53:47,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:53:47,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... [2018-11-18 12:53:47,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:53:47,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:53:47,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:53:47,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:53:47,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:53:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:53:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:53:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:53:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:53:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 12:53:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 12:53:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:53:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:53:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:53:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:53:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:53:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 12:53:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 12:53:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:53:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:53:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:53:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:53:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 12:53:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 12:53:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 12:53:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 12:53:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 12:53:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 12:53:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:53:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:53:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:53:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:53:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:53:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:53:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:53:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:53:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:53:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:53:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:53:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:53:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 12:53:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 12:53:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 12:53:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 12:53:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 12:53:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 12:53:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:53:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:53:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:53:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:53:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:53:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:53:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:53:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:53:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:53:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:53:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:53:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:53:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:53:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:53:48,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:53:48,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:53:48 BoogieIcfgContainer [2018-11-18 12:53:48,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:53:48,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:53:48,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:53:48,245 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:53:48,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:53:47" (1/3) ... [2018-11-18 12:53:48,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c8a679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:53:48, skipping insertion in model container [2018-11-18 12:53:48,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:47" (2/3) ... [2018-11-18 12:53:48,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c8a679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:53:48, skipping insertion in model container [2018-11-18 12:53:48,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:53:48" (3/3) ... [2018-11-18 12:53:48,248 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35_true-unreach-call_false-termination.cil.c [2018-11-18 12:53:48,256 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:53:48,263 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:53:48,276 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:53:48,300 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:53:48,300 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:53:48,300 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:53:48,300 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:53:48,300 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:53:48,301 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:53:48,301 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:53:48,301 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:53:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-18 12:53:48,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:53:48,322 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:48,323 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:48,325 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:48,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:48,330 INFO L82 PathProgramCache]: Analyzing trace with hash -59826979, now seen corresponding path program 1 times [2018-11-18 12:53:48,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:48,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:48,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:48,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:48,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:53:48,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:48,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:53:48,578 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:48,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:53:48,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:53:48,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:53:48,595 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-11-18 12:53:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:48,625 INFO L93 Difference]: Finished difference Result 248 states and 307 transitions. [2018-11-18 12:53:48,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:53:48,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 12:53:48,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:48,637 INFO L225 Difference]: With dead ends: 248 [2018-11-18 12:53:48,638 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 12:53:48,641 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:53:48,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 12:53:48,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-18 12:53:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 12:53:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-11-18 12:53:48,686 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 59 [2018-11-18 12:53:48,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:48,686 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-11-18 12:53:48,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:53:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-11-18 12:53:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 12:53:48,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:48,689 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:48,689 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:48,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:48,690 INFO L82 PathProgramCache]: Analyzing trace with hash 546948822, now seen corresponding path program 1 times [2018-11-18 12:53:48,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:48,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:48,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:48,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:48,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:53:48,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:48,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:53:48,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:48,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:53:48,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:53:48,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:53:48,824 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-11-18 12:53:48,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:48,841 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2018-11-18 12:53:48,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:53:48,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 12:53:48,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:48,843 INFO L225 Difference]: With dead ends: 186 [2018-11-18 12:53:48,844 INFO L226 Difference]: Without dead ends: 116 [2018-11-18 12:53:48,844 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:53:48,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-18 12:53:48,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-18 12:53:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-18 12:53:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2018-11-18 12:53:48,855 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 61 [2018-11-18 12:53:48,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:48,855 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2018-11-18 12:53:48,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:53:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2018-11-18 12:53:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:53:48,857 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:48,857 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:48,857 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:48,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:48,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1950736183, now seen corresponding path program 1 times [2018-11-18 12:53:48,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:48,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:48,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:48,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:48,859 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:53:49,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:49,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:53:49,044 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:49,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:53:49,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:53:49,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:53:49,045 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 7 states. [2018-11-18 12:53:49,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:49,810 INFO L93 Difference]: Finished difference Result 349 states and 421 transitions. [2018-11-18 12:53:49,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:53:49,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 12:53:49,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:49,812 INFO L225 Difference]: With dead ends: 349 [2018-11-18 12:53:49,813 INFO L226 Difference]: Without dead ends: 261 [2018-11-18 12:53:49,813 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:53:49,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-11-18 12:53:49,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 241. [2018-11-18 12:53:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-18 12:53:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 289 transitions. [2018-11-18 12:53:49,840 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 289 transitions. Word has length 65 [2018-11-18 12:53:49,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:49,841 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 289 transitions. [2018-11-18 12:53:49,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:53:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 289 transitions. [2018-11-18 12:53:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 12:53:49,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:49,843 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:49,843 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:49,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:49,844 INFO L82 PathProgramCache]: Analyzing trace with hash 377259755, now seen corresponding path program 1 times [2018-11-18 12:53:49,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:49,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:49,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:49,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:49,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:53:50,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:50,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:53:50,189 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:50,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:53:50,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:53:50,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:53:50,190 INFO L87 Difference]: Start difference. First operand 241 states and 289 transitions. Second operand 7 states. [2018-11-18 12:53:50,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:50,979 INFO L93 Difference]: Finished difference Result 616 states and 788 transitions. [2018-11-18 12:53:50,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:53:50,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 12:53:50,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:50,982 INFO L225 Difference]: With dead ends: 616 [2018-11-18 12:53:50,982 INFO L226 Difference]: Without dead ends: 403 [2018-11-18 12:53:50,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:53:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-18 12:53:51,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 353. [2018-11-18 12:53:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-11-18 12:53:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2018-11-18 12:53:51,028 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 71 [2018-11-18 12:53:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:51,028 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2018-11-18 12:53:51,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:53:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2018-11-18 12:53:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:53:51,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:51,031 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:51,031 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:51,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:51,031 INFO L82 PathProgramCache]: Analyzing trace with hash -23073344, now seen corresponding path program 1 times [2018-11-18 12:53:51,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:51,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:51,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:51,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:51,032 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:53:51,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:51,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:53:51,259 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:51,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:53:51,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:53:51,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:53:51,260 INFO L87 Difference]: Start difference. First operand 353 states and 423 transitions. Second operand 6 states. [2018-11-18 12:53:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:51,297 INFO L93 Difference]: Finished difference Result 688 states and 839 transitions. [2018-11-18 12:53:51,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:53:51,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-18 12:53:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:51,300 INFO L225 Difference]: With dead ends: 688 [2018-11-18 12:53:51,300 INFO L226 Difference]: Without dead ends: 363 [2018-11-18 12:53:51,301 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:53:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-11-18 12:53:51,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-11-18 12:53:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-11-18 12:53:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 433 transitions. [2018-11-18 12:53:51,321 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 433 transitions. Word has length 88 [2018-11-18 12:53:51,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:51,322 INFO L480 AbstractCegarLoop]: Abstraction has 363 states and 433 transitions. [2018-11-18 12:53:51,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:53:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 433 transitions. [2018-11-18 12:53:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:53:51,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:51,324 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:51,324 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:51,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:51,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1363130050, now seen corresponding path program 1 times [2018-11-18 12:53:51,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:51,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:51,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:51,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:51,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:53:51,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:51,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 12:53:51,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:51,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:53:51,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:53:51,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:53:51,512 INFO L87 Difference]: Start difference. First operand 363 states and 433 transitions. Second operand 8 states. [2018-11-18 12:53:51,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:51,546 INFO L93 Difference]: Finished difference Result 712 states and 874 transitions. [2018-11-18 12:53:51,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:53:51,547 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-18 12:53:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:51,548 INFO L225 Difference]: With dead ends: 712 [2018-11-18 12:53:51,549 INFO L226 Difference]: Without dead ends: 377 [2018-11-18 12:53:51,550 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:53:51,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-18 12:53:51,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 371. [2018-11-18 12:53:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-18 12:53:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 441 transitions. [2018-11-18 12:53:51,571 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 441 transitions. Word has length 88 [2018-11-18 12:53:51,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:51,571 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 441 transitions. [2018-11-18 12:53:51,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:53:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 441 transitions. [2018-11-18 12:53:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:53:51,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:51,573 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:51,573 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:51,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:51,573 INFO L82 PathProgramCache]: Analyzing trace with hash -820546877, now seen corresponding path program 1 times [2018-11-18 12:53:51,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:51,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:51,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:51,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:51,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:53:51,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:51,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:53:51,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:51,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:53:51,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:53:51,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:53:51,695 INFO L87 Difference]: Start difference. First operand 371 states and 441 transitions. Second operand 4 states. [2018-11-18 12:53:52,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:52,377 INFO L93 Difference]: Finished difference Result 1196 states and 1489 transitions. [2018-11-18 12:53:52,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:53:52,377 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-18 12:53:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:52,381 INFO L225 Difference]: With dead ends: 1196 [2018-11-18 12:53:52,381 INFO L226 Difference]: Without dead ends: 853 [2018-11-18 12:53:52,382 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:53:52,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2018-11-18 12:53:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 836. [2018-11-18 12:53:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2018-11-18 12:53:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1015 transitions. [2018-11-18 12:53:52,431 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1015 transitions. Word has length 88 [2018-11-18 12:53:52,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:52,431 INFO L480 AbstractCegarLoop]: Abstraction has 836 states and 1015 transitions. [2018-11-18 12:53:52,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:53:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1015 transitions. [2018-11-18 12:53:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 12:53:52,433 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:52,433 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:52,433 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:52,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:52,434 INFO L82 PathProgramCache]: Analyzing trace with hash 520832713, now seen corresponding path program 1 times [2018-11-18 12:53:52,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:52,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:52,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:52,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:52,435 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:53:52,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:52,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:53:52,645 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:52,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:53:52,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:53:52,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:53:52,646 INFO L87 Difference]: Start difference. First operand 836 states and 1015 transitions. Second operand 9 states. [2018-11-18 12:53:54,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:54,815 INFO L93 Difference]: Finished difference Result 2300 states and 2925 transitions. [2018-11-18 12:53:54,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:53:54,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2018-11-18 12:53:54,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:54,821 INFO L225 Difference]: With dead ends: 2300 [2018-11-18 12:53:54,822 INFO L226 Difference]: Without dead ends: 1667 [2018-11-18 12:53:54,824 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:53:54,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2018-11-18 12:53:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1471. [2018-11-18 12:53:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1471 states. [2018-11-18 12:53:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1767 transitions. [2018-11-18 12:53:54,918 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1767 transitions. Word has length 92 [2018-11-18 12:53:54,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:54,921 INFO L480 AbstractCegarLoop]: Abstraction has 1471 states and 1767 transitions. [2018-11-18 12:53:54,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:53:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1767 transitions. [2018-11-18 12:53:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 12:53:54,927 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:54,927 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:53:54,927 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:54,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:54,928 INFO L82 PathProgramCache]: Analyzing trace with hash 85232121, now seen corresponding path program 1 times [2018-11-18 12:53:54,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:54,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:54,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:54,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:54,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:53:55,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:55,572 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:53:55,573 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-18 12:53:55,575 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [65], [68], [70], [73], [80], [83], [84], [88], [89], [90], [91], [95], [101], [105], [109], [112], [115], [117], [123], [125], [128], [144], [145], [146], [147], [148], [150], [155], [157], [158], [159], [160], [171], [174], [178], [184], [214], [218], [219], [225], [229], [230], [233], [234], [235], [236], [237], [238], [239], [241], [242], [243], [244], [245], [246], [247], [248], [249], [253], [254], [255], [257], [258], [259], [260], [263], [264], [265], [266], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [289], [290], [291] [2018-11-18 12:53:55,603 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:53:55,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:53:57,186 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:53:57,187 INFO L272 AbstractInterpreter]: Visited 105 different actions 424 times. Merged at 16 different actions 44 times. Never widened. Performed 15645 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15645 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 12:53:57,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:57,239 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:53:57,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:57,240 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:53:57,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:57,253 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:53:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:57,372 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:53:58,174 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:53:58,623 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:53:58,640 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:53:58,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 12:53:58,640 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:53:58,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 12:53:58,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 12:53:58,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:53:58,641 INFO L87 Difference]: Start difference. First operand 1471 states and 1767 transitions. Second operand 16 states. [2018-11-18 12:54:00,727 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-11-18 12:54:02,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:02,019 INFO L93 Difference]: Finished difference Result 2799 states and 3487 transitions. [2018-11-18 12:54:02,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 12:54:02,022 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-11-18 12:54:02,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:02,029 INFO L225 Difference]: With dead ends: 2799 [2018-11-18 12:54:02,029 INFO L226 Difference]: Without dead ends: 1525 [2018-11-18 12:54:02,033 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 264 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 12:54:02,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2018-11-18 12:54:02,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1103. [2018-11-18 12:54:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states. [2018-11-18 12:54:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1284 transitions. [2018-11-18 12:54:02,097 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1284 transitions. Word has length 136 [2018-11-18 12:54:02,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:02,098 INFO L480 AbstractCegarLoop]: Abstraction has 1103 states and 1284 transitions. [2018-11-18 12:54:02,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 12:54:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1284 transitions. [2018-11-18 12:54:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 12:54:02,104 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:54:02,104 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:54:02,104 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:54:02,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:54:02,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1063263817, now seen corresponding path program 1 times [2018-11-18 12:54:02,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:54:02,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:54:02,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:54:02,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:54:02,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:54:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:54:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-11-18 12:54:02,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:54:02,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:54:02,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:54:02,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:54:02,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:54:02,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:54:02,279 INFO L87 Difference]: Start difference. First operand 1103 states and 1284 transitions. Second operand 3 states. [2018-11-18 12:54:02,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:02,374 INFO L93 Difference]: Finished difference Result 1292 states and 1512 transitions. [2018-11-18 12:54:02,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:54:02,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2018-11-18 12:54:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:02,375 INFO L225 Difference]: With dead ends: 1292 [2018-11-18 12:54:02,375 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:54:02,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:54:02,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:54:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:54:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:54:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:54:02,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2018-11-18 12:54:02,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:02,380 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:54:02,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:54:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:54:02,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:54:02,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:54:02,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:02,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:03,118 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-18 12:54:03,440 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2018-11-18 12:54:03,658 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 39 [2018-11-18 12:54:03,934 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2018-11-18 12:54:04,173 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-11-18 12:54:04,378 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-11-18 12:54:04,706 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2018-11-18 12:54:05,056 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2018-11-18 12:54:05,256 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-11-18 12:54:05,736 WARN L180 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-11-18 12:54:05,981 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2018-11-18 12:54:05,981 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2018-11-18 12:54:05,981 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2018-11-18 12:54:05,981 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2018-11-18 12:54:05,981 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2018-11-18 12:54:05,981 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 899 906) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 12:54:05,981 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 899 906) no Hoare annotation was computed. [2018-11-18 12:54:05,981 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 899 906) no Hoare annotation was computed. [2018-11-18 12:54:05,981 INFO L425 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 907 916) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or (not (= ~systemActive~0 0)) .cse0 (or .cse1 .cse2)) (or .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse3 .cse2))) [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 907 916) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 907 916) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 939) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L421 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~systemActive~0 0)) .cse2 (or .cse3 .cse1)) (or .cse3 .cse0 .cse2 .cse1))) [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point L927-1(line 927) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point L925(lines 925 942) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point L925-1(lines 917 945) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L428 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: true [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2018-11-18 12:54:05,982 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 917 945) the Hoare annotation is: true [2018-11-18 12:54:05,982 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 917 945) no Hoare annotation was computed. [2018-11-18 12:54:05,983 INFO L421 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2) (or (not (= ~systemActive~0 0)) (or .cse3 .cse4)))) [2018-11-18 12:54:05,983 INFO L425 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-11-18 12:54:05,983 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 131 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 12:54:05,983 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2018-11-18 12:54:05,983 INFO L421 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:05,983 INFO L421 ceAbstractionStarter]: At program point L143-1(line 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:05,983 INFO L425 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2018-11-18 12:54:05,983 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2018-11-18 12:54:05,983 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2018-11-18 12:54:05,983 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:54:05,984 INFO L421 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 12:54:05,984 INFO L421 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 12:54:05,984 INFO L421 ceAbstractionStarter]: At program point L137-1(line 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 12:54:05,984 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 882 896) no Hoare annotation was computed. [2018-11-18 12:54:05,984 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 0)) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 12:54:05,984 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 892) no Hoare annotation was computed. [2018-11-18 12:54:05,984 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 882 896) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (not (= |old(~systemActive~0)| 0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (or .cse2 (not (= ~waterLevel~0 2))))) (and (or .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse3 (and .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse3 .cse4 .cse1)))) [2018-11-18 12:54:05,984 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 882 896) no Hoare annotation was computed. [2018-11-18 12:54:05,984 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 818 826) no Hoare annotation was computed. [2018-11-18 12:54:05,985 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 818 826) the Hoare annotation is: true [2018-11-18 12:54:05,985 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 818 826) no Hoare annotation was computed. [2018-11-18 12:54:05,985 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2018-11-18 12:54:05,985 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2018-11-18 12:54:05,985 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 12:54:05,985 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2018-11-18 12:54:05,985 INFO L421 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:05,985 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2018-11-18 12:54:05,985 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 799 806) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2018-11-18 12:54:05,985 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 799 806) no Hoare annotation was computed. [2018-11-18 12:54:05,985 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 799 806) no Hoare annotation was computed. [2018-11-18 12:54:05,985 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 766 790) no Hoare annotation was computed. [2018-11-18 12:54:05,986 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 766 790) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 12:54:05,986 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 12:54:05,986 INFO L425 ceAbstractionStarter]: For program point L785-1(lines 766 790) no Hoare annotation was computed. [2018-11-18 12:54:05,986 INFO L421 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= processEnvironment_~tmp~5 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-18 12:54:05,986 INFO L421 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-18 12:54:05,986 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 782) no Hoare annotation was computed. [2018-11-18 12:54:05,986 INFO L421 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 12:54:05,986 INFO L425 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2018-11-18 12:54:05,986 INFO L425 ceAbstractionStarter]: For program point L770(lines 770 787) no Hoare annotation was computed. [2018-11-18 12:54:05,987 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2018-11-18 12:54:05,987 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 708 721) no Hoare annotation was computed. [2018-11-18 12:54:05,987 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 708 721) the Hoare annotation is: true [2018-11-18 12:54:05,987 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 708 721) no Hoare annotation was computed. [2018-11-18 12:54:05,987 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 758 764) no Hoare annotation was computed. [2018-11-18 12:54:05,987 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 758 764) the Hoare annotation is: true [2018-11-18 12:54:05,987 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:05,987 INFO L421 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (= ~pumpRunning~0 1) .cse1) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:54:05,987 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 609) no Hoare annotation was computed. [2018-11-18 12:54:05,987 INFO L421 ceAbstractionStarter]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and .cse4 .cse3)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 12:54:05,988 INFO L425 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-11-18 12:54:05,988 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2018-11-18 12:54:05,988 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-11-18 12:54:05,988 INFO L421 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~systemActive~0 0) .cse4 .cse3 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 12:54:05,988 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-11-18 12:54:05,988 INFO L425 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2018-11-18 12:54:05,988 INFO L421 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~systemActive~0 0) .cse0 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 12:54:05,988 INFO L421 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (let ((.cse4 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (and .cse0 .cse6 .cse1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse2) (and .cse4 .cse5 .cse6 .cse1) (and .cse5 .cse6 .cse1 .cse2) (and .cse3 (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 12:54:05,988 INFO L425 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-11-18 12:54:05,988 INFO L425 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 567 614) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L421 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 863 881) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L425 ceAbstractionStarter]: For program point L872(lines 872 876) no Hoare annotation was computed. [2018-11-18 12:54:05,989 INFO L428 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: true [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 863 881) the Hoare annotation is: true [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point L870-1(line 870) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 863 881) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 699 707) the Hoare annotation is: true [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: true [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L425 ceAbstractionStarter]: For program point L736(lines 734 756) no Hoare annotation was computed. [2018-11-18 12:54:05,990 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 731 757) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~pumpRunning~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or .cse6 (and .cse5 (or (= ~waterLevel~0 1) .cse7)) .cse0) (or (or (or .cse1 .cse8) .cse9) (and .cse10 .cse7)) (or .cse6 .cse7 (or .cse0 .cse8)) (or (and .cse5 .cse7) (or .cse0 .cse1 .cse8)) (or (and .cse10 .cse7 .cse4) .cse9 .cse1 .cse2) (or .cse6 .cse4 (or .cse0 .cse2)))) [2018-11-18 12:54:05,991 INFO L421 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse5 .cse4) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse6) (and .cse3 .cse5 .cse4)) (or (or .cse0 .cse1 .cse7) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (or (not (= ~systemActive~0 0)) .cse0))) [2018-11-18 12:54:05,991 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 731 757) no Hoare annotation was computed. [2018-11-18 12:54:05,991 INFO L421 ceAbstractionStarter]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= ~systemActive~0 0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse2 .cse5 .cse4) (and .cse6 .cse5) (or .cse0 .cse1 .cse7)) (or (and .cse6 .cse4) .cse8 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse8) (and .cse3 .cse6 .cse4)) (or .cse5 .cse9 (or .cse0 .cse7)) (or .cse9 (and .cse2 (or (= ~waterLevel~0 1) .cse5) .cse4) .cse0))) [2018-11-18 12:54:05,991 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 731 757) no Hoare annotation was computed. [2018-11-18 12:54:05,991 INFO L421 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0) (or (and .cse3 .cse4 .cse5) (or (or .cse1 .cse2) .cse6)) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-18 12:54:05,991 INFO L425 ceAbstractionStarter]: For program point L738(lines 734 756) no Hoare annotation was computed. [2018-11-18 12:54:05,991 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2018-11-18 12:54:05,991 INFO L425 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-11-18 12:54:05,991 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-11-18 12:54:05,992 INFO L428 ceAbstractionStarter]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2018-11-18 12:54:05,992 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2018-11-18 12:54:05,992 INFO L425 ceAbstractionStarter]: For program point L61-1(lines 61 75) no Hoare annotation was computed. [2018-11-18 12:54:05,992 INFO L428 ceAbstractionStarter]: At program point L61-3(lines 61 75) the Hoare annotation is: true [2018-11-18 12:54:05,992 INFO L428 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2018-11-18 12:54:05,992 INFO L425 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-11-18 12:54:05,992 INFO L428 ceAbstractionStarter]: At program point L76(lines 51 80) the Hoare annotation is: true [2018-11-18 12:54:05,992 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 12:54:05,992 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-18 12:54:05,992 INFO L425 ceAbstractionStarter]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2018-11-18 12:54:05,992 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2018-11-18 12:54:05,992 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2018-11-18 12:54:05,992 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2018-11-18 12:54:05,992 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:54:05,993 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 12:54:05,993 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:54:05,993 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:54:05,993 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2018-11-18 12:54:05,993 INFO L425 ceAbstractionStarter]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2018-11-18 12:54:05,993 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (or (= ~waterLevel~0 1) .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or .cse2 .cse1 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse0) (or (or .cse0 .cse1) .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse6 .cse7) (or .cse6 .cse5 .cse4 .cse0 .cse7)))) [2018-11-18 12:54:05,993 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 12:54:05,993 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 12:54:05,993 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 12:54:05,993 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 12:54:06,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:54:06 BoogieIcfgContainer [2018-11-18 12:54:06,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:54:06,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:54:06,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:54:06,004 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:54:06,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:53:48" (3/4) ... [2018-11-18 12:54:06,007 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 12:54:06,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:54:06,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:54:06,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:54:06,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:54:06,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:54:06,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:54:06,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 12:54:06,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:54:06,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:54:06,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-11-18 12:54:06,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:54:06,086 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f1517605-8971-42bb-9b70-35503d67c537/bin-2019/utaipan/witness.graphml [2018-11-18 12:54:06,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:54:06,087 INFO L168 Benchmark]: Toolchain (without parser) took 19055.13 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 428.9 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -225.8 MB). Peak memory consumption was 203.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:06,087 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:54:06,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 927.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:06,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 927.5 MB in the beginning and 1.2 GB in the end (delta: -244.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:06,088 INFO L168 Benchmark]: Boogie Preprocessor took 36.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:06,088 INFO L168 Benchmark]: RCFGBuilder took 691.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:06,088 INFO L168 Benchmark]: TraceAbstraction took 17760.59 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 251.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.0 MB). Peak memory consumption was 507.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:06,089 INFO L168 Benchmark]: Witness Printer took 82.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:06,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 927.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 927.5 MB in the beginning and 1.2 GB in the end (delta: -244.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 691.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17760.59 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 251.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.0 MB). Peak memory consumption was 507.2 MB. Max. memory is 11.5 GB. * Witness Printer took 82.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. SAFE Result, 17.7s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1736 SDtfs, 1331 SDslu, 4878 SDs, 0 SdLazy, 2196 SolverSat, 423 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 302 SyntacticMatches, 8 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1471occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 711 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1677 PreInvPairs, 1754 NumberOfFragments, 1961 HoareAnnotationTreeSize, 1677 FomulaSimplifications, 4572 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7472 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1129 NumberOfCodeBlocks, 1129 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 240867 SizeOfPredicates, 4 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 365/388 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...