./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:05:59,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:05:59,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:05:59,361 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:05:59,361 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:05:59,362 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:05:59,363 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:05:59,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:05:59,365 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:05:59,366 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:05:59,367 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:05:59,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:05:59,367 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:05:59,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:05:59,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:05:59,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:05:59,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:05:59,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:05:59,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:05:59,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:05:59,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:05:59,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:05:59,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:05:59,378 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:05:59,378 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:05:59,379 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:05:59,379 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:05:59,380 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:05:59,380 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:05:59,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:05:59,381 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:05:59,382 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:05:59,382 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:05:59,382 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:05:59,383 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:05:59,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:05:59,384 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:05:59,394 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:05:59,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:05:59,395 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:05:59,395 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:05:59,395 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:05:59,395 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:05:59,396 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:05:59,396 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:05:59,396 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:05:59,396 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:05:59,396 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:05:59,396 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:05:59,396 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:05:59,397 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:05:59,397 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:05:59,397 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:05:59,397 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:05:59,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:05:59,398 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:05:59,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:05:59,398 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:05:59,398 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:05:59,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:05:59,398 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:05:59,399 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:05:59,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:05:59,399 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:05:59,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:05:59,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:05:59,400 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:05:59,400 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_421ad103-093d-47ad-81f6-271833715dde/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2018-11-23 03:05:59,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:05:59,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:05:59,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:05:59,434 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:05:59,434 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:05:59,434 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-23 03:05:59,469 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/data/6eac0d062/930bf4ed404448dc83edeac0271161c8/FLAG3eaf92228 [2018-11-23 03:05:59,943 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:05:59,944 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-23 03:05:59,952 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/data/6eac0d062/930bf4ed404448dc83edeac0271161c8/FLAG3eaf92228 [2018-11-23 03:06:00,453 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/data/6eac0d062/930bf4ed404448dc83edeac0271161c8 [2018-11-23 03:06:00,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:06:00,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:06:00,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:06:00,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:06:00,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:06:00,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f540941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00, skipping insertion in model container [2018-11-23 03:06:00,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:06:00,502 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:06:00,683 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:06:00,693 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:06:00,790 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:06:00,812 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:06:00,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00 WrapperNode [2018-11-23 03:06:00,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:06:00,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:06:00,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:06:00,813 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:06:00,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:06:00,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:06:00,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:06:00,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:06:00,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... [2018-11-23 03:06:00,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:06:00,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:06:00,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:06:00,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:06:00,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/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 [2018-11-23 03:06:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:06:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:06:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:06:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:06:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:06:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:06:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 03:06:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 03:06:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:06:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:06:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:06:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:06:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:06:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:06:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:06:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 03:06:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 03:06:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:06:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:06:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:06:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:06:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:06:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:06:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:06:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:06:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 03:06:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 03:06:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:06:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:06:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:06:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:06:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:06:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:06:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:06:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:06:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:06:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:06:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:06:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:06:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:06:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:06:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:06:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:06:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:06:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:06:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:06:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:06:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:06:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:06:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:06:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:06:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:06:01,238 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:06:01,238 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:06:01,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:01 BoogieIcfgContainer [2018-11-23 03:06:01,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:06:01,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:06:01,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:06:01,243 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:06:01,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:06:00" (1/3) ... [2018-11-23 03:06:01,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae14558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:01, skipping insertion in model container [2018-11-23 03:06:01,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:00" (2/3) ... [2018-11-23 03:06:01,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae14558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:01, skipping insertion in model container [2018-11-23 03:06:01,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:01" (3/3) ... [2018-11-23 03:06:01,246 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-23 03:06:01,251 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:06:01,256 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:06:01,265 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:06:01,287 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:06:01,287 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:06:01,287 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:06:01,287 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:06:01,287 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:06:01,287 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:06:01,287 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:06:01,287 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:06:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-23 03:06:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:06:01,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:06:01,307 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:06:01,308 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:06:01,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:01,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1043620841, now seen corresponding path program 1 times [2018-11-23 03:06:01,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:06:01,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:01,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:06:01,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:01,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:06:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:06:01,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:06:01,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:06:01,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:06:01,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:06:01,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:06:01,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:06:01,499 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-11-23 03:06:01,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:06:01,525 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2018-11-23 03:06:01,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:06:01,526 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 03:06:01,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:06:01,535 INFO L225 Difference]: With dead ends: 224 [2018-11-23 03:06:01,535 INFO L226 Difference]: Without dead ends: 112 [2018-11-23 03:06:01,537 INFO L631 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 [2018-11-23 03:06:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-23 03:06:01,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-23 03:06:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-23 03:06:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-11-23 03:06:01,571 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2018-11-23 03:06:01,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:06:01,571 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-11-23 03:06:01,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:06:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-11-23 03:06:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 03:06:01,573 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:06:01,573 INFO L402 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] [2018-11-23 03:06:01,573 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:06:01,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:01,573 INFO L82 PathProgramCache]: Analyzing trace with hash -236618839, now seen corresponding path program 1 times [2018-11-23 03:06:01,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:06:01,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:01,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:06:01,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:01,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:06:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:06:01,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:06:01,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:06:01,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:06:01,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:06:01,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:06:01,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:06:01,653 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2018-11-23 03:06:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:06:01,670 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-11-23 03:06:01,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:06:01,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 03:06:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:06:01,672 INFO L225 Difference]: With dead ends: 163 [2018-11-23 03:06:01,672 INFO L226 Difference]: Without dead ends: 103 [2018-11-23 03:06:01,673 INFO L631 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 [2018-11-23 03:06:01,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-23 03:06:01,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-23 03:06:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-23 03:06:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-11-23 03:06:01,682 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2018-11-23 03:06:01,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:06:01,682 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-11-23 03:06:01,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:06:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-11-23 03:06:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:06:01,684 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:06:01,684 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:06:01,684 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:06:01,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:01,684 INFO L82 PathProgramCache]: Analyzing trace with hash -823912556, now seen corresponding path program 1 times [2018-11-23 03:06:01,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:06:01,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:01,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:06:01,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:01,685 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:06:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:06:01,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:06:01,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:06:01,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:06:01,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:06:01,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:06:01,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:06:01,784 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2018-11-23 03:06:02,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:06:02,038 INFO L93 Difference]: Finished difference Result 311 states and 374 transitions. [2018-11-23 03:06:02,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:06:02,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 03:06:02,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:06:02,041 INFO L225 Difference]: With dead ends: 311 [2018-11-23 03:06:02,041 INFO L226 Difference]: Without dead ends: 232 [2018-11-23 03:06:02,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:06:02,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-11-23 03:06:02,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2018-11-23 03:06:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-23 03:06:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2018-11-23 03:06:02,066 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2018-11-23 03:06:02,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:06:02,067 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2018-11-23 03:06:02,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:06:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2018-11-23 03:06:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 03:06:02,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:06:02,069 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:06:02,069 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:06:02,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:02,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1571749326, now seen corresponding path program 1 times [2018-11-23 03:06:02,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:06:02,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:02,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:06:02,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:02,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:06:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:06:02,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:06:02,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 03:06:02,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:06:02,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:06:02,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:06:02,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:06:02,171 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2018-11-23 03:06:02,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:06:02,445 INFO L93 Difference]: Finished difference Result 760 states and 975 transitions. [2018-11-23 03:06:02,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:06:02,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 03:06:02,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:06:02,449 INFO L225 Difference]: With dead ends: 760 [2018-11-23 03:06:02,450 INFO L226 Difference]: Without dead ends: 564 [2018-11-23 03:06:02,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:06:02,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-23 03:06:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-11-23 03:06:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-11-23 03:06:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2018-11-23 03:06:02,497 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2018-11-23 03:06:02,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:06:02,498 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2018-11-23 03:06:02,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:06:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2018-11-23 03:06:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 03:06:02,501 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:06:02,501 INFO L402 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] [2018-11-23 03:06:02,501 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:06:02,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:02,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1681811508, now seen corresponding path program 1 times [2018-11-23 03:06:02,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:06:02,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:02,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:06:02,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:02,502 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:06:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:06:02,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:06:02,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:06:02,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:06:02,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:06:02,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:06:02,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:06:02,575 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2018-11-23 03:06:02,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:06:02,660 INFO L93 Difference]: Finished difference Result 936 states and 1192 transitions. [2018-11-23 03:06:02,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 03:06:02,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 03:06:02,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:06:02,664 INFO L225 Difference]: With dead ends: 936 [2018-11-23 03:06:02,664 INFO L226 Difference]: Without dead ends: 408 [2018-11-23 03:06:02,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:06:02,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-11-23 03:06:02,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2018-11-23 03:06:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-11-23 03:06:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2018-11-23 03:06:02,705 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2018-11-23 03:06:02,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:06:02,705 INFO L480 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2018-11-23 03:06:02,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:06:02,705 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2018-11-23 03:06:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 03:06:02,707 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:06:02,707 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:06:02,707 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:06:02,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:02,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1016950239, now seen corresponding path program 1 times [2018-11-23 03:06:02,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:06:02,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:02,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:06:02,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:06:02,709 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:06:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 03:06:02,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:06:02,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:06:02,796 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-11-23 03:06:02,797 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [43], [45], [46], [47], [48], [49], [77], [86], [90], [94], [97], [102], [108], [110], [116], [119], [122], [130], [131], [132], [133], [146], [153], [156], [192], [200], [204], [205], [208], [209], [210], [211], [212], [214], [215], [216], [217], [218], [219], [220], [221], [222], [226], [238], [239], [244], [245], [246], [247], [254], [255], [260], [261], [262] [2018-11-23 03:06:02,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:06:02,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:06:03,268 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:06:03,269 INFO L272 AbstractInterpreter]: Visited 65 different actions 139 times. Merged at 13 different actions 19 times. Never widened. Performed 4981 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-23 03:06:03,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:03,285 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:06:03,569 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 98.38% of their original sizes. [2018-11-23 03:06:03,570 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:06:03,609 INFO L415 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2018-11-23 03:06:03,609 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:06:03,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:06:03,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-11-23 03:06:03,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:06:03,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 03:06:03,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 03:06:03,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:06:03,611 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 11 states. [2018-11-23 03:06:04,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:06:04,811 INFO L93 Difference]: Finished difference Result 705 states and 827 transitions. [2018-11-23 03:06:04,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 03:06:04,811 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2018-11-23 03:06:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:06:04,811 INFO L225 Difference]: With dead ends: 705 [2018-11-23 03:06:04,812 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:06:04,813 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 98 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-11-23 03:06:04,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:06:04,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:06:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:06:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:06:04,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-11-23 03:06:04,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:06:04,813 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:06:04,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 03:06:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:06:04,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:06:04,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:06:04,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:06:04,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:06:04,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:06:04,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:06:05,376 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2018-11-23 03:06:05,823 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 03:06:05,823 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 03:06:05,823 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 03:06:05,823 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 03:06:05,823 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 03:06:05,824 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 03:06:05,824 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2018-11-23 03:06:05,824 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2018-11-23 03:06:05,824 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0)) .cse1))) [2018-11-23 03:06:05,824 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-11-23 03:06:05,824 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2018-11-23 03:06:05,824 INFO L448 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2018-11-23 03:06:05,824 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-23 03:06:05,824 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-23 03:06:05,824 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2018-11-23 03:06:05,825 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,825 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2018-11-23 03:06:05,825 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2018-11-23 03:06:05,825 INFO L444 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,825 INFO L444 ceAbstractionStarter]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,825 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2018-11-23 03:06:05,825 INFO L448 ceAbstractionStarter]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2018-11-23 03:06:05,825 INFO L448 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-11-23 03:06:05,825 INFO L444 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,825 INFO L444 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,826 INFO L444 ceAbstractionStarter]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,826 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 671 677) no Hoare annotation was computed. [2018-11-23 03:06:05,826 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 671 677) the Hoare annotation is: true [2018-11-23 03:06:05,826 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2018-11-23 03:06:05,826 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 03:06:05,826 INFO L448 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-11-23 03:06:05,826 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 03:06:05,826 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2018-11-23 03:06:05,826 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2018-11-23 03:06:05,826 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2018-11-23 03:06:05,826 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 03:06:05,827 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2018-11-23 03:06:05,827 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 679 703) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L444 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:06:05,828 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 679 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 03:06:05,828 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L444 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= ~systemActive~0 0) .cse0 .cse1) (and (= ~systemActive~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:06:05,828 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2018-11-23 03:06:05,828 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2018-11-23 03:06:05,829 INFO L444 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,829 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,829 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-11-23 03:06:05,829 INFO L444 ceAbstractionStarter]: At program point L891-1(lines 883 898) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:06:05,829 INFO L448 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2018-11-23 03:06:05,830 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:06:05,830 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2018-11-23 03:06:05,830 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:06:05,830 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-23 03:06:05,830 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-11-23 03:06:05,831 INFO L444 ceAbstractionStarter]: At program point L900(lines 853 902) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:06:05,831 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2018-11-23 03:06:05,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:06:05,831 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 03:06:05,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:06:05,831 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-11-23 03:06:05,831 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-11-23 03:06:05,831 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-11-23 03:06:05,831 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-11-23 03:06:05,831 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2018-11-23 03:06:05,831 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-11-23 03:06:05,832 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= ~systemActive~0 0))) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0) .cse1))) [2018-11-23 03:06:05,832 INFO L444 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-11-23 03:06:05,832 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-11-23 03:06:05,832 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 03:06:05,832 INFO L448 ceAbstractionStarter]: For program point L651(lines 650 669) no Hoare annotation was computed. [2018-11-23 03:06:05,832 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2018-11-23 03:06:05,832 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2018-11-23 03:06:05,832 INFO L451 ceAbstractionStarter]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2018-11-23 03:06:05,832 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2018-11-23 03:06:05,832 INFO L448 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-11-23 03:06:05,833 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2018-11-23 03:06:05,833 INFO L451 ceAbstractionStarter]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2018-11-23 03:06:05,833 INFO L451 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-11-23 03:06:05,833 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-11-23 03:06:05,833 INFO L451 ceAbstractionStarter]: At program point L557(lines 532 561) the Hoare annotation is: true [2018-11-23 03:06:05,833 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 03:06:05,833 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2018-11-23 03:06:05,833 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-11-23 03:06:05,833 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-11-23 03:06:05,833 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-11-23 03:06:05,833 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2018-11-23 03:06:05,833 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-23 03:06:05,833 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-23 03:06:05,834 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2018-11-23 03:06:05,834 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2018-11-23 03:06:05,834 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:06:05,834 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 03:06:05,834 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:06:05,834 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:06:05,834 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-23 03:06:05,834 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0)) [2018-11-23 03:06:05,834 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-23 03:06:05,834 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-11-23 03:06:05,834 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 (= |old(~waterLevel~0)| 0)) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (= ~systemActive~0 0)) .cse2 .cse3))) [2018-11-23 03:06:05,834 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-11-23 03:06:05,835 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 629 636) no Hoare annotation was computed. [2018-11-23 03:06:05,835 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2018-11-23 03:06:05,835 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 629 636) the Hoare annotation is: true [2018-11-23 03:06:05,835 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 629 636) no Hoare annotation was computed. [2018-11-23 03:06:05,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:06:05 BoogieIcfgContainer [2018-11-23 03:06:05,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:06:05,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:06:05,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:06:05,844 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:06:05,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:01" (3/4) ... [2018-11-23 03:06:05,847 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:06:05,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:06:05,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:06:05,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 03:06:05,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:06:05,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:06:05,858 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 03:06:05,858 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:06:05,859 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:06:05,859 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:06:05,859 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:06:05,860 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:06:05,860 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:06:05,877 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 03:06:05,878 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 03:06:05,905 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_421ad103-093d-47ad-81f6-271833715dde/bin-2019/utaipan/witness.graphml [2018-11-23 03:06:05,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:06:05,906 INFO L168 Benchmark]: Toolchain (without parser) took 5449.42 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.5 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -286.5 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:05,906 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:06:05,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:05,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.59 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. [2018-11-23 03:06:05,906 INFO L168 Benchmark]: Boogie Preprocessor took 24.37 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:05,906 INFO L168 Benchmark]: RCFGBuilder took 379.76 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:05,907 INFO L168 Benchmark]: TraceAbstraction took 4604.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -180.7 MB). Peak memory consumption was 424.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:05,907 INFO L168 Benchmark]: Witness Printer took 60.91 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:05,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.37 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 379.76 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4604.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -180.7 MB). Peak memory consumption was 424.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.91 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: 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: 853]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 747 SDtfs, 800 SDslu, 1907 SDs, 0 SdLazy, 526 SolverSat, 261 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9965168647484183 AbsIntWeakeningRatio, 1.0795454545454546 AbsIntAvgWeakeningVarsNumRemoved, 85.9090909090909 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 669 PreInvPairs, 721 NumberOfFragments, 843 HoareAnnotationTreeSize, 669 FomulaSimplifications, 1830 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 3251 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 43640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...