./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/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 c0d9e585f0bc6d8da3f07d21418c982bbec5d957 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:50:16,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:50:16,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:50:16,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:50:16,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:50:16,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:50:16,711 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:50:16,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:50:16,715 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:50:16,715 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:50:16,716 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:50:16,716 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:50:16,717 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:50:16,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:50:16,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:50:16,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:50:16,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:50:16,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:50:16,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:50:16,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:50:16,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:50:16,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:50:16,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:50:16,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:50:16,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:50:16,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:50:16,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:50:16,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:50:16,733 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:50:16,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:50:16,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:50:16,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:50:16,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:50:16,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:50:16,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:50:16,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:50:16,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:50:16,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:50:16,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:50:16,752 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:50:16,752 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:50:16,753 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:50:16,753 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:50:16,753 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:50:16,753 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:50:16,753 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:50:16,753 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:50:16,754 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:50:16,754 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:50:16,754 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:50:16,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:50:16,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:50:16,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:50:16,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:50:16,755 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:50:16,755 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:50:16,755 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:50:16,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:50:16,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:50:16,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:50:16,756 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:50:16,756 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:50:16,756 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:50:16,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:50:16,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:50:16,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:50:16,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:50:16,757 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:50:16,757 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:50:16,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:50:16,758 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:50:16,761 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_79429ddc-829d-462f-afc4-dabcbf1aac7d/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 -> c0d9e585f0bc6d8da3f07d21418c982bbec5d957 [2018-10-26 19:50:16,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:50:16,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:50:16,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:50:16,802 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:50:16,803 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:50:16,803 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-10-26 19:50:16,849 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/data/64e8d4c90/e5b41d26d0704ca88c81e8eaafa57f7c/FLAG21ae08421 [2018-10-26 19:50:17,264 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:50:17,265 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-10-26 19:50:17,275 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/data/64e8d4c90/e5b41d26d0704ca88c81e8eaafa57f7c/FLAG21ae08421 [2018-10-26 19:50:17,293 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/data/64e8d4c90/e5b41d26d0704ca88c81e8eaafa57f7c [2018-10-26 19:50:17,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:50:17,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:50:17,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:50:17,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:50:17,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:50:17,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393ceaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17, skipping insertion in model container [2018-10-26 19:50:17,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:50:17,350 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:50:17,630 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:50:17,638 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:50:17,707 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:50:17,739 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:50:17,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17 WrapperNode [2018-10-26 19:50:17,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:50:17,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:50:17,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:50:17,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:50:17,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:50:17,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:50:17,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:50:17,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:50:17,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... [2018-10-26 19:50:17,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:50:17,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:50:17,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:50:17,900 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:50:17,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:50:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 19:50:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 19:50:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:50:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:50:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 19:50:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 19:50:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 19:50:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 19:50:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 19:50:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 19:50:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 19:50:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 19:50:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 19:50:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 19:50:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 19:50:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 19:50:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 19:50:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 19:50:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 19:50:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 19:50:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 19:50:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 19:50:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 19:50:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 19:50:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 19:50:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 19:50:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-10-26 19:50:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-10-26 19:50:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-10-26 19:50:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-10-26 19:50:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-10-26 19:50:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-10-26 19:50:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:50:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:50:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 19:50:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 19:50:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 19:50:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 19:50:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 19:50:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 19:50:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 19:50:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 19:50:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:50:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:50:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 19:50:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 19:50:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:50:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:50:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 19:50:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 19:50:18,775 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:50:18,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:18 BoogieIcfgContainer [2018-10-26 19:50:18,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:50:18,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:50:18,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:50:18,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:50:18,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:50:17" (1/3) ... [2018-10-26 19:50:18,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca55213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:50:18, skipping insertion in model container [2018-10-26 19:50:18,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:17" (2/3) ... [2018-10-26 19:50:18,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca55213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:50:18, skipping insertion in model container [2018-10-26 19:50:18,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:18" (3/3) ... [2018-10-26 19:50:18,784 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-10-26 19:50:18,793 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:50:18,802 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:50:18,816 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:50:18,845 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:50:18,846 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:50:18,846 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:50:18,846 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:50:18,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:50:18,850 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:50:18,850 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:50:18,850 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:50:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-10-26 19:50:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 19:50:18,877 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:50:18,878 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:50:18,880 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:50:18,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:50:18,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1246458630, now seen corresponding path program 1 times [2018-10-26 19:50:18,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:50:18,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:18,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:50:18,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:18,930 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:50:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 19:50:19,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:50:19,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:50:19,180 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:50:19,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:50:19,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:50:19,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:50:19,201 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-10-26 19:50:19,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:50:19,232 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2018-10-26 19:50:19,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:50:19,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-10-26 19:50:19,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:50:19,244 INFO L225 Difference]: With dead ends: 224 [2018-10-26 19:50:19,245 INFO L226 Difference]: Without dead ends: 114 [2018-10-26 19:50:19,248 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:50:19,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-26 19:50:19,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-10-26 19:50:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-26 19:50:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-10-26 19:50:19,287 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 59 [2018-10-26 19:50:19,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:50:19,288 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-10-26 19:50:19,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:50:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-10-26 19:50:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:50:19,291 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:50:19,291 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:50:19,291 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:50:19,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:50:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2004873620, now seen corresponding path program 1 times [2018-10-26 19:50:19,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:50:19,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:19,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:50:19,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:19,293 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:50:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 19:50:19,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:50:19,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:50:19,418 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:50:19,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:50:19,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:50:19,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:50:19,420 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 3 states. [2018-10-26 19:50:19,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:50:19,449 INFO L93 Difference]: Finished difference Result 171 states and 197 transitions. [2018-10-26 19:50:19,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:50:19,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-10-26 19:50:19,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:50:19,451 INFO L225 Difference]: With dead ends: 171 [2018-10-26 19:50:19,452 INFO L226 Difference]: Without dead ends: 104 [2018-10-26 19:50:19,452 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:50:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-10-26 19:50:19,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-10-26 19:50:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-10-26 19:50:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2018-10-26 19:50:19,472 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 61 [2018-10-26 19:50:19,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:50:19,473 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2018-10-26 19:50:19,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:50:19,473 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2018-10-26 19:50:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 19:50:19,479 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:50:19,479 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:50:19,479 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:50:19,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:50:19,479 INFO L82 PathProgramCache]: Analyzing trace with hash -377129140, now seen corresponding path program 1 times [2018-10-26 19:50:19,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:50:19,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:19,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:50:19,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:19,481 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:50:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 19:50:19,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:50:19,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:50:19,659 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:50:19,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:50:19,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:50:19,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:50:19,660 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 7 states. [2018-10-26 19:50:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:50:20,174 INFO L93 Difference]: Finished difference Result 180 states and 211 transitions. [2018-10-26 19:50:20,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:50:20,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-10-26 19:50:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:50:20,176 INFO L225 Difference]: With dead ends: 180 [2018-10-26 19:50:20,176 INFO L226 Difference]: Without dead ends: 104 [2018-10-26 19:50:20,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:50:20,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-10-26 19:50:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-10-26 19:50:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-10-26 19:50:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2018-10-26 19:50:20,188 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 65 [2018-10-26 19:50:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:50:20,190 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2018-10-26 19:50:20,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:50:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2018-10-26 19:50:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 19:50:20,192 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:50:20,192 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:50:20,193 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:50:20,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:50:20,193 INFO L82 PathProgramCache]: Analyzing trace with hash 920548859, now seen corresponding path program 1 times [2018-10-26 19:50:20,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:50:20,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:20,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:50:20,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:50:20,195 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:50:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:50:20,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:50:20,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:50:20,769 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:50:20,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:50:20,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:50:20,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:50:20,771 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 7 states. [2018-10-26 19:50:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:50:21,752 INFO L93 Difference]: Finished difference Result 158 states and 186 transitions. [2018-10-26 19:50:21,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 19:50:21,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-10-26 19:50:21,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:50:21,753 INFO L225 Difference]: With dead ends: 158 [2018-10-26 19:50:21,753 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:50:21,754 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:50:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:50:21,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:50:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:50:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:50:21,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-10-26 19:50:21,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:50:21,756 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:50:21,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:50:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:50:21,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:50:21,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:50:22,180 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 19:50:22,322 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 19:50:22,642 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 19:50:22,921 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-10-26 19:50:22,921 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-10-26 19:50:22,921 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-10-26 19:50:22,921 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-10-26 19:50:22,921 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-10-26 19:50:22,922 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: true [2018-10-26 19:50:22,922 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-10-26 19:50:22,922 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-10-26 19:50:22,922 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: true [2018-10-26 19:50:22,922 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-26 19:50:22,922 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2018-10-26 19:50:22,922 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 456 465) no Hoare annotation was computed. [2018-10-26 19:50:22,922 INFO L421 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,923 INFO L425 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-10-26 19:50:22,923 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 488) no Hoare annotation was computed. [2018-10-26 19:50:22,923 INFO L428 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-10-26 19:50:22,923 INFO L425 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-10-26 19:50:22,923 INFO L425 ceAbstractionStarter]: For program point L474(lines 474 491) no Hoare annotation was computed. [2018-10-26 19:50:22,923 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2018-10-26 19:50:22,923 INFO L428 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-10-26 19:50:22,923 INFO L425 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-10-26 19:50:22,924 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2018-10-26 19:50:22,924 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2018-10-26 19:50:22,924 INFO L421 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,924 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,924 INFO L421 ceAbstractionStarter]: At program point L672-1(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,941 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,941 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2018-10-26 19:50:22,941 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 666 688) no Hoare annotation was computed. [2018-10-26 19:50:22,941 INFO L421 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-10-26 19:50:22,941 INFO L421 ceAbstractionStarter]: At program point L678-1(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-10-26 19:50:22,942 INFO L425 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2018-10-26 19:50:22,942 INFO L425 ceAbstractionStarter]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2018-10-26 19:50:22,942 INFO L425 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2018-10-26 19:50:22,942 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2018-10-26 19:50:22,942 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2018-10-26 19:50:22,942 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2018-10-26 19:50:22,942 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2018-10-26 19:50:22,942 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 799 807) no Hoare annotation was computed. [2018-10-26 19:50:22,942 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-10-26 19:50:22,943 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-10-26 19:50:22,943 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,943 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2018-10-26 19:50:22,943 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2018-10-26 19:50:22,943 INFO L421 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,943 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2018-10-26 19:50:22,943 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2018-10-26 19:50:22,943 INFO L428 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2018-10-26 19:50:22,943 INFO L425 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2018-10-26 19:50:22,943 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 788 798) no Hoare annotation was computed. [2018-10-26 19:50:22,944 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2018-10-26 19:50:22,944 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2018-10-26 19:50:22,944 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2018-10-26 19:50:22,944 INFO L421 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,944 INFO L425 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-10-26 19:50:22,944 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-10-26 19:50:22,944 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2018-10-26 19:50:22,944 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,944 INFO L421 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,945 INFO L425 ceAbstractionStarter]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2018-10-26 19:50:22,945 INFO L421 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,945 INFO L421 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,945 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 746) no Hoare annotation was computed. [2018-10-26 19:50:22,945 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2018-10-26 19:50:22,945 INFO L425 ceAbstractionStarter]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2018-10-26 19:50:22,945 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,945 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2018-10-26 19:50:22,945 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2018-10-26 19:50:22,945 INFO L425 ceAbstractionStarter]: For program point L855-1(lines 855 900) no Hoare annotation was computed. [2018-10-26 19:50:22,950 INFO L421 ceAbstractionStarter]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,950 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 895) no Hoare annotation was computed. [2018-10-26 19:50:22,950 INFO L421 ceAbstractionStarter]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,950 INFO L425 ceAbstractionStarter]: For program point L856(lines 855 900) no Hoare annotation was computed. [2018-10-26 19:50:22,950 INFO L425 ceAbstractionStarter]: For program point L885(lines 885 896) no Hoare annotation was computed. [2018-10-26 19:50:22,950 INFO L421 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,951 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 881) no Hoare annotation was computed. [2018-10-26 19:50:22,951 INFO L425 ceAbstractionStarter]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2018-10-26 19:50:22,951 INFO L421 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,951 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2018-10-26 19:50:22,951 INFO L421 ceAbstractionStarter]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,951 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:50:22,951 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 19:50:22,951 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:50:22,952 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2018-10-26 19:50:22,953 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 571 579) no Hoare annotation was computed. [2018-10-26 19:50:22,953 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2018-10-26 19:50:22,953 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: true [2018-10-26 19:50:22,953 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2018-10-26 19:50:22,953 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2018-10-26 19:50:22,953 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2018-10-26 19:50:22,953 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 539 547) no Hoare annotation was computed. [2018-10-26 19:50:22,953 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2018-10-26 19:50:22,954 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2018-10-26 19:50:22,954 INFO L425 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2018-10-26 19:50:22,954 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2018-10-26 19:50:22,954 INFO L428 ceAbstractionStarter]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2018-10-26 19:50:22,954 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2018-10-26 19:50:22,954 INFO L425 ceAbstractionStarter]: For program point L602-1(lines 602 616) no Hoare annotation was computed. [2018-10-26 19:50:22,954 INFO L428 ceAbstractionStarter]: At program point L602-3(lines 602 616) the Hoare annotation is: true [2018-10-26 19:50:22,954 INFO L428 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2018-10-26 19:50:22,954 INFO L425 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2018-10-26 19:50:22,955 INFO L428 ceAbstractionStarter]: At program point L617(lines 592 621) the Hoare annotation is: true [2018-10-26 19:50:22,955 INFO L425 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-10-26 19:50:22,955 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,955 INFO L425 ceAbstractionStarter]: For program point L702(lines 698 720) no Hoare annotation was computed. [2018-10-26 19:50:22,955 INFO L425 ceAbstractionStarter]: For program point L700(lines 698 720) no Hoare annotation was computed. [2018-10-26 19:50:22,955 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,955 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2018-10-26 19:50:22,955 INFO L421 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,955 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2018-10-26 19:50:22,956 INFO L421 ceAbstractionStarter]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:50:22,956 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2018-10-26 19:50:22,956 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 503 514) no Hoare annotation was computed. [2018-10-26 19:50:22,956 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2018-10-26 19:50:22,956 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:50:22,956 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 19:50:22,956 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:50:22,956 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:50:22,956 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2018-10-26 19:50:22,956 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2018-10-26 19:50:22,957 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2018-10-26 19:50:22,957 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2018-10-26 19:50:22,957 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: true [2018-10-26 19:50:22,957 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2018-10-26 19:50:22,957 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2018-10-26 19:50:22,957 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2018-10-26 19:50:22,957 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2018-10-26 19:50:22,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:50:22 BoogieIcfgContainer [2018-10-26 19:50:22,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:50:22,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:50:22,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:50:22,970 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:50:22,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:18" (3/4) ... [2018-10-26 19:50:22,974 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:50:22,980 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 19:50:22,981 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 19:50:22,981 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-10-26 19:50:22,981 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-10-26 19:50:22,981 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-10-26 19:50:22,981 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:50:22,981 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:50:22,981 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:50:22,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 19:50:22,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 19:50:22,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 19:50:22,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 19:50:22,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 19:50:22,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 19:50:22,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 19:50:22,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 19:50:22,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 19:50:22,994 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-26 19:50:22,995 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 19:50:22,995 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 19:50:23,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) [2018-10-26 19:50:23,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(systemActive == 1) [2018-10-26 19:50:23,087 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_79429ddc-829d-462f-afc4-dabcbf1aac7d/bin-2019/utaipan/witness.graphml [2018-10-26 19:50:23,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:50:23,088 INFO L168 Benchmark]: Toolchain (without parser) took 5791.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -230.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:50:23,089 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-10-26 19:50:23,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:50:23,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -213.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:50:23,090 INFO L168 Benchmark]: Boogie Preprocessor took 36.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:50:23,097 INFO L168 Benchmark]: RCFGBuilder took 875.88 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: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:50:23,098 INFO L168 Benchmark]: TraceAbstraction took 4192.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -141.3 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:50:23,098 INFO L168 Benchmark]: Witness Printer took 118.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:50:23,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 441.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -213.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 875.88 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: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4192.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -141.3 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. * Witness Printer took 118.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 4.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 445 SDtfs, 202 SDslu, 466 SDs, 0 SdLazy, 279 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 27660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...