./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/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 70ea5eb10d82b903f50468d78668817b6c6916a6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:57:18,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:57:18,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:57:18,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:57:18,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:57:18,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:57:18,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:57:18,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:57:18,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:57:18,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:57:18,510 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:57:18,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:57:18,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:57:18,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:57:18,513 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:57:18,513 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:57:18,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:57:18,515 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:57:18,517 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:57:18,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:57:18,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:57:18,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:57:18,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:57:18,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:57:18,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:57:18,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:57:18,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:57:18,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:57:18,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:57:18,524 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:57:18,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:57:18,525 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:57:18,525 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:57:18,525 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:57:18,526 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:57:18,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:57:18,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:57:18,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:57:18,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:57:18,537 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:57:18,538 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:57:18,538 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:57:18,538 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:57:18,538 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:57:18,538 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:57:18,538 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:57:18,538 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:57:18,538 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:57:18,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:57:18,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:57:18,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:57:18,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:57:18,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:57:18,539 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:57:18,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:57:18,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:57:18,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:57:18,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:57:18,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:57:18,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:57:18,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:57:18,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:57:18,540 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:57:18,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:57:18,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:57:18,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:57:18,541 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:57:18,541 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:57:18,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:57:18,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:57:18,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:57:18,541 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_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/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 -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2018-11-10 12:57:18,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:57:18,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:57:18,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:57:18,575 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:57:18,575 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:57:18,575 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-10 12:57:18,612 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/data/ce98d6725/2c552df08f604c868a10a0e1cdaea09e/FLAGbd35cd633 [2018-11-10 12:57:19,068 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:57:19,069 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-10 12:57:19,078 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/data/ce98d6725/2c552df08f604c868a10a0e1cdaea09e/FLAGbd35cd633 [2018-11-10 12:57:19,090 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/data/ce98d6725/2c552df08f604c868a10a0e1cdaea09e [2018-11-10 12:57:19,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:57:19,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:57:19,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:57:19,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:57:19,097 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:57:19,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d722314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19, skipping insertion in model container [2018-11-10 12:57:19,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:57:19,139 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:57:19,335 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:57:19,344 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:57:19,396 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:57:19,413 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:57:19,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19 WrapperNode [2018-11-10 12:57:19,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:57:19,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:57:19,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:57:19,414 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:57:19,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:57:19,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:57:19,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:57:19,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:57:19,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... [2018-11-10 12:57:19,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:57:19,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:57:19,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:57:19,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:57:19,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/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 [2018-11-10 12:57:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 12:57:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 12:57:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:57:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:57:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 12:57:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 12:57:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 12:57:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 12:57:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 12:57:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 12:57:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-10 12:57:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-10 12:57:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-10 12:57:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-10 12:57:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 12:57:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 12:57:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:57:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:57:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:57:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:57:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 12:57:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 12:57:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 12:57:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 12:57:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:57:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:57:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 12:57:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 12:57:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 12:57:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 12:57:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 12:57:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 12:57:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 12:57:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 12:57:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:57:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:57:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:57:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:57:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:57:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:57:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 12:57:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 12:57:20,066 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:57:20,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:57:20 BoogieIcfgContainer [2018-11-10 12:57:20,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:57:20,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:57:20,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:57:20,070 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:57:20,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:57:19" (1/3) ... [2018-11-10 12:57:20,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414767b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:57:20, skipping insertion in model container [2018-11-10 12:57:20,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:19" (2/3) ... [2018-11-10 12:57:20,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414767b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:57:20, skipping insertion in model container [2018-11-10 12:57:20,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:57:20" (3/3) ... [2018-11-10 12:57:20,072 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-10 12:57:20,078 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:57:20,088 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:57:20,097 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:57:20,119 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:57:20,119 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:57:20,119 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:57:20,119 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:57:20,120 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:57:20,120 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:57:20,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:57:20,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:57:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-11-10 12:57:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:57:20,139 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:57:20,140 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:57:20,142 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:57:20,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:57:20,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1777134350, now seen corresponding path program 1 times [2018-11-10 12:57:20,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:57:20,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:57:20,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,179 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:57:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:20,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:57:20,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:57:20,350 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:57:20,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:57:20,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:57:20,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:57:20,363 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-11-10 12:57:20,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:57:20,388 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-11-10 12:57:20,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:57:20,389 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-10 12:57:20,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:57:20,396 INFO L225 Difference]: With dead ends: 180 [2018-11-10 12:57:20,396 INFO L226 Difference]: Without dead ends: 92 [2018-11-10 12:57:20,399 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:57:20,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-10 12:57:20,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-10 12:57:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-10 12:57:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-10 12:57:20,431 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 51 [2018-11-10 12:57:20,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:57:20,431 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-10 12:57:20,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:57:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-10 12:57:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 12:57:20,433 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:57:20,434 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:57:20,434 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:57:20,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:57:20,434 INFO L82 PathProgramCache]: Analyzing trace with hash 939706407, now seen corresponding path program 1 times [2018-11-10 12:57:20,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:57:20,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:57:20,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,435 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:57:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:20,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:57:20,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:57:20,524 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:57:20,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:57:20,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:57:20,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:57:20,527 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 3 states. [2018-11-10 12:57:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:57:20,541 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2018-11-10 12:57:20,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:57:20,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-10 12:57:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:57:20,543 INFO L225 Difference]: With dead ends: 123 [2018-11-10 12:57:20,543 INFO L226 Difference]: Without dead ends: 82 [2018-11-10 12:57:20,544 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:57:20,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-10 12:57:20,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-10 12:57:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-10 12:57:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-10 12:57:20,552 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2018-11-10 12:57:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:57:20,553 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-10 12:57:20,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:57:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-10 12:57:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:57:20,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:57:20,554 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:57:20,555 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:57:20,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:57:20,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1367271350, now seen corresponding path program 1 times [2018-11-10 12:57:20,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:57:20,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:57:20,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,556 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:57:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:20,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:57:20,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:57:20,690 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:57:20,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:57:20,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:57:20,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:57:20,692 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 7 states. [2018-11-10 12:57:20,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:57:20,939 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2018-11-10 12:57:20,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:57:20,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-10 12:57:20,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:57:20,941 INFO L225 Difference]: With dead ends: 136 [2018-11-10 12:57:20,941 INFO L226 Difference]: Without dead ends: 82 [2018-11-10 12:57:20,941 INFO L605 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 [2018-11-10 12:57:20,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-10 12:57:20,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-10 12:57:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-10 12:57:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-11-10 12:57:20,949 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2018-11-10 12:57:20,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:57:20,950 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-11-10 12:57:20,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:57:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-11-10 12:57:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 12:57:20,951 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:57:20,951 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:57:20,951 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:57:20,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:57:20,952 INFO L82 PathProgramCache]: Analyzing trace with hash -2041293860, now seen corresponding path program 1 times [2018-11-10 12:57:20,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:57:20,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:57:20,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:20,953 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:57:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:21,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:57:21,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:57:21,043 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:57:21,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:57:21,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:57:21,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:57:21,045 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 6 states. [2018-11-10 12:57:21,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:57:21,230 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2018-11-10 12:57:21,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:57:21,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-10 12:57:21,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:57:21,236 INFO L225 Difference]: With dead ends: 182 [2018-11-10 12:57:21,237 INFO L226 Difference]: Without dead ends: 128 [2018-11-10 12:57:21,237 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:57:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-10 12:57:21,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-11-10 12:57:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-10 12:57:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2018-11-10 12:57:21,251 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 61 [2018-11-10 12:57:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:57:21,251 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2018-11-10 12:57:21,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:57:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2018-11-10 12:57:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:57:21,253 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:57:21,253 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:57:21,253 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:57:21,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:57:21,254 INFO L82 PathProgramCache]: Analyzing trace with hash 136414904, now seen corresponding path program 1 times [2018-11-10 12:57:21,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:57:21,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:21,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:57:21,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:57:21,255 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:57:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:21,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:57:21,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:57:21,351 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:57:21,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:57:21,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:57:21,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:57:21,352 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand 6 states. [2018-11-10 12:57:21,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:57:21,510 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2018-11-10 12:57:21,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:57:21,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-10 12:57:21,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:57:21,512 INFO L225 Difference]: With dead ends: 214 [2018-11-10 12:57:21,513 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:57:21,513 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:57:21,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:57:21,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:57:21,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:57:21,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:57:21,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-10 12:57:21,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:57:21,514 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:57:21,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:57:21,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:57:21,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:57:21,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:57:21,937 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 641 647) no Hoare annotation was computed. [2018-11-10 12:57:21,937 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 641 647) the Hoare annotation is: true [2018-11-10 12:57:21,937 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2018-11-10 12:57:21,937 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2018-11-10 12:57:21,938 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2018-11-10 12:57:21,938 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2018-11-10 12:57:21,938 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2018-11-10 12:57:21,938 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 542 607) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,938 INFO L421 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,938 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2018-11-10 12:57:21,938 INFO L425 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2018-11-10 12:57:21,938 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 542 607) no Hoare annotation was computed. [2018-11-10 12:57:21,938 INFO L421 ceAbstractionStarter]: At program point L597(lines 552 599) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,939 INFO L421 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,939 INFO L425 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2018-11-10 12:57:21,939 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2018-11-10 12:57:21,939 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 558) no Hoare annotation was computed. [2018-11-10 12:57:21,939 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 552 599) no Hoare annotation was computed. [2018-11-10 12:57:21,939 INFO L421 ceAbstractionStarter]: At program point L600(lines 551 601) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,939 INFO L425 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2018-11-10 12:57:21,939 INFO L421 ceAbstractionStarter]: At program point L590-2(lines 582 595) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,939 INFO L425 ceAbstractionStarter]: For program point L553(lines 552 599) no Hoare annotation was computed. [2018-11-10 12:57:21,939 INFO L421 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,940 INFO L425 ceAbstractionStarter]: For program point L582(lines 582 595) no Hoare annotation was computed. [2018-11-10 12:57:21,940 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 542 607) no Hoare annotation was computed. [2018-11-10 12:57:21,940 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,940 INFO L421 ceAbstractionStarter]: At program point L865-1(line 865) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,940 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 859 881) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,940 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 859 881) no Hoare annotation was computed. [2018-11-10 12:57:21,940 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 859 881) no Hoare annotation was computed. [2018-11-10 12:57:21,940 INFO L421 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-10 12:57:21,940 INFO L421 ceAbstractionStarter]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-10 12:57:21,940 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 876) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point L869-1(lines 869 876) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L421 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 693 701) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 693 701) the Hoare annotation is: true [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 693 701) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 775) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point L768(lines 768 778) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L421 ceAbstractionStarter]: At program point L766(line 766) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 781) no Hoare annotation was computed. [2018-11-10 12:57:21,941 INFO L425 ceAbstractionStarter]: For program point L764-1(lines 756 784) no Hoare annotation was computed. [2018-11-10 12:57:21,942 INFO L428 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: true [2018-11-10 12:57:21,942 INFO L425 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2018-11-10 12:57:21,942 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 756 784) the Hoare annotation is: true [2018-11-10 12:57:21,942 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 756 784) no Hoare annotation was computed. [2018-11-10 12:57:21,942 INFO L421 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 12:57:21,942 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 748 755) the Hoare annotation is: true [2018-11-10 12:57:21,942 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 748 755) no Hoare annotation was computed. [2018-11-10 12:57:21,942 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 748 755) no Hoare annotation was computed. [2018-11-10 12:57:21,942 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:57:21,942 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:57:21,942 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:57:21,942 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,943 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2018-11-10 12:57:21,945 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2018-11-10 12:57:21,945 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2018-11-10 12:57:21,945 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2018-11-10 12:57:21,945 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2018-11-10 12:57:21,945 INFO L428 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: true [2018-11-10 12:57:21,945 INFO L428 ceAbstractionStarter]: At program point L628(lines 628 634) the Hoare annotation is: true [2018-11-10 12:57:21,945 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: true [2018-11-10 12:57:21,945 INFO L421 ceAbstractionStarter]: At program point L623(line 623) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point L621(lines 620 639) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L428 ceAbstractionStarter]: At program point L801-1(lines 801 805) the Hoare annotation is: true [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 787 816) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point L797-1(lines 797 811) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L428 ceAbstractionStarter]: At program point L797-3(lines 797 811) the Hoare annotation is: true [2018-11-10 12:57:21,946 INFO L428 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L428 ceAbstractionStarter]: At program point L812(lines 787 816) the Hoare annotation is: true [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2018-11-10 12:57:21,946 INFO L425 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2018-11-10 12:57:21,947 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 787 816) the Hoare annotation is: true [2018-11-10 12:57:21,947 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2018-11-10 12:57:21,947 INFO L425 ceAbstractionStarter]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2018-11-10 12:57:21,947 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2018-11-10 12:57:21,947 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2018-11-10 12:57:21,947 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2018-11-10 12:57:21,947 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:57:21,947 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-10 12:57:21,947 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:57:21,947 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:57:21,947 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 841 847) no Hoare annotation was computed. [2018-11-10 12:57:21,947 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 841 847) the Hoare annotation is: true [2018-11-10 12:57:21,948 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 738 745) no Hoare annotation was computed. [2018-11-10 12:57:21,948 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 738 745) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-11-10 12:57:21,948 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 738 745) no Hoare annotation was computed. [2018-11-10 12:57:21,948 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2018-11-10 12:57:21,948 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2018-11-10 12:57:21,948 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: true [2018-11-10 12:57:21,948 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-10 12:57:21,948 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-10 12:57:21,948 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-10 12:57:21,948 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-10 12:57:21,948 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 848 858) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,949 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 848 858) no Hoare annotation was computed. [2018-11-10 12:57:21,949 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 848 858) no Hoare annotation was computed. [2018-11-10 12:57:21,949 INFO L421 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:57:21,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:57:21 BoogieIcfgContainer [2018-11-10 12:57:21,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:57:21,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:57:21,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:57:21,960 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:57:21,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:57:20" (3/4) ... [2018-11-10 12:57:21,966 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-10 12:57:21,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 12:57:21,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 12:57:21,973 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 12:57:21,973 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:57:21,973 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 12:57:21,973 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 12:57:21,981 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 12:57:21,981 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:57:21,982 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 12:57:22,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 12:57:22,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 12:57:22,036 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b41faea7-f956-4e0a-9cb0-7c2d1c25a906/bin-2019/utaipan/witness.graphml [2018-11-10 12:57:22,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:57:22,036 INFO L168 Benchmark]: Toolchain (without parser) took 2943.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 961.9 MB in the beginning and 1.0 GB in the end (delta: -70.9 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:22,038 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:57:22,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.58 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:22,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:22,038 INFO L168 Benchmark]: Boogie Preprocessor took 24.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:57:22,039 INFO L168 Benchmark]: RCFGBuilder took 547.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:22,039 INFO L168 Benchmark]: TraceAbstraction took 1891.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:22,039 INFO L168 Benchmark]: Witness Printer took 76.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:22,041 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.58 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 547.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1891.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Witness Printer took 76.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 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: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 105 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 474 SDtfs, 185 SDslu, 786 SDs, 0 SdLazy, 181 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 163 PreInvPairs, 178 NumberOfFragments, 391 HoareAnnotationTreeSize, 163 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 576 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 29985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...