./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04_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_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/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 c5927a819a887aeff1d315c7b53a2aa383626d62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:36:35,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:36:35,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:36:35,803 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:36:35,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:36:35,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:36:35,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:36:35,806 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:36:35,807 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:36:35,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:36:35,808 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:36:35,808 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:36:35,809 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:36:35,810 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:36:35,811 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:36:35,812 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:36:35,812 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:36:35,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:36:35,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:36:35,816 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:36:35,817 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:36:35,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:36:35,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:36:35,820 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:36:35,820 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:36:35,821 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:36:35,821 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:36:35,822 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:36:35,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:36:35,824 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:36:35,824 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:36:35,824 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:36:35,824 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:36:35,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:36:35,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:36:35,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:36:35,826 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:36:35,834 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:36:35,835 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:36:35,835 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:36:35,835 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:36:35,835 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:36:35,835 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:36:35,835 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:36:35,836 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:36:35,836 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:36:35,836 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:36:35,836 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:36:35,836 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:36:35,836 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:36:35,837 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:36:35,837 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:36:35,838 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:36:35,838 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:36:35,838 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:36:35,838 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:36:35,838 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:36:35,838 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:36:35,838 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:36:35,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:36:35,839 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:36:35,839 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:36:35,839 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:36:35,839 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:36:35,839 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:36:35,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:36:35,839 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:36:35,840 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_66984c32-46e1-4e81-9a3c-5073853a6541/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 -> c5927a819a887aeff1d315c7b53a2aa383626d62 [2018-11-22 23:36:35,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:36:35,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:36:35,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:36:35,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:36:35,877 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:36:35,878 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-22 23:36:35,913 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/data/4a43a481b/67fc328f729547aeb7ac2af376853145/FLAGa619cfee2 [2018-11-22 23:36:36,332 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:36:36,332 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-22 23:36:36,339 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/data/4a43a481b/67fc328f729547aeb7ac2af376853145/FLAGa619cfee2 [2018-11-22 23:36:36,347 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/data/4a43a481b/67fc328f729547aeb7ac2af376853145 [2018-11-22 23:36:36,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:36:36,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:36:36,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:36:36,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:36:36,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:36:36,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36, skipping insertion in model container [2018-11-22 23:36:36,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:36:36,391 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:36:36,576 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:36:36,586 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:36:36,680 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:36:36,695 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:36:36,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36 WrapperNode [2018-11-22 23:36:36,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:36:36,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:36:36,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:36:36,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:36:36,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:36:36,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:36:36,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:36:36,721 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:36:36,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... [2018-11-22 23:36:36,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:36:36,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:36:36,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:36:36,750 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:36:36,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/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 [2018-11-22 23:36:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:36:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:36:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:36:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:36:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 23:36:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 23:36:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:36:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:36:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:36:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:36:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:36:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:36:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:36:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:36:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:36:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:36:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:36:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:36:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:36:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:36:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:36:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 23:36:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 23:36:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:36:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:36:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:36:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:36:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:36:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:36:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:36:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:36:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:36:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:36:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:36:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:36:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:36:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:36:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:36:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:36:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:36:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:36:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:36:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:36:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:36:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:36:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:36:37,238 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:36:37,238 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:36:37,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:37 BoogieIcfgContainer [2018-11-22 23:36:37,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:36:37,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:36:37,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:36:37,242 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:36:37,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:36:36" (1/3) ... [2018-11-22 23:36:37,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d88bdde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:36:37, skipping insertion in model container [2018-11-22 23:36:37,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:36" (2/3) ... [2018-11-22 23:36:37,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d88bdde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:36:37, skipping insertion in model container [2018-11-22 23:36:37,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:37" (3/3) ... [2018-11-22 23:36:37,244 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-22 23:36:37,252 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:36:37,259 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:36:37,272 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:36:37,298 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:36:37,298 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:36:37,298 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:36:37,299 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:36:37,299 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:36:37,299 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:36:37,299 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:36:37,299 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:36:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-11-22 23:36:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 23:36:37,321 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:37,322 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] [2018-11-22 23:36:37,324 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:37,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:37,329 INFO L82 PathProgramCache]: Analyzing trace with hash -222364740, now seen corresponding path program 1 times [2018-11-22 23:36:37,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:37,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:37,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:37,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:37,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:36:37,507 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:37,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:36:37,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:36:37,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:36:37,519 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-11-22 23:36:37,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:37,538 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-11-22 23:36:37,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:36:37,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 23:36:37,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:37,546 INFO L225 Difference]: With dead ends: 188 [2018-11-22 23:36:37,546 INFO L226 Difference]: Without dead ends: 94 [2018-11-22 23:36:37,548 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 [2018-11-22 23:36:37,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-22 23:36:37,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-22 23:36:37,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-22 23:36:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-22 23:36:37,579 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-11-22 23:36:37,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:37,579 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-22 23:36:37,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:36:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-22 23:36:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:36:37,582 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:37,582 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] [2018-11-22 23:36:37,582 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:37,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:37,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1220321971, now seen corresponding path program 1 times [2018-11-22 23:36:37,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:37,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:37,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:37,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:37,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:36:37,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:37,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:36:37,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:36:37,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:36:37,667 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-11-22 23:36:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:37,682 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-11-22 23:36:37,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:36:37,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 23:36:37,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:37,683 INFO L225 Difference]: With dead ends: 124 [2018-11-22 23:36:37,683 INFO L226 Difference]: Without dead ends: 85 [2018-11-22 23:36:37,684 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 [2018-11-22 23:36:37,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-22 23:36:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-22 23:36:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-22 23:36:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-11-22 23:36:37,690 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-11-22 23:36:37,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:37,691 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-11-22 23:36:37,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:36:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-11-22 23:36:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 23:36:37,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:37,692 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] [2018-11-22 23:36:37,692 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:37,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:37,692 INFO L82 PathProgramCache]: Analyzing trace with hash 161305573, now seen corresponding path program 1 times [2018-11-22 23:36:37,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:37,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:37,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:37,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:37,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:36:37,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:37,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:36:37,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:36:37,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:36:37,804 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-11-22 23:36:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:38,074 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-11-22 23:36:38,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:36:38,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-22 23:36:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:38,076 INFO L225 Difference]: With dead ends: 257 [2018-11-22 23:36:38,076 INFO L226 Difference]: Without dead ends: 196 [2018-11-22 23:36:38,077 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 [2018-11-22 23:36:38,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-22 23:36:38,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-11-22 23:36:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-22 23:36:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-11-22 23:36:38,100 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-11-22 23:36:38,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:38,100 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-11-22 23:36:38,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:36:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-11-22 23:36:38,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 23:36:38,102 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:38,102 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] [2018-11-22 23:36:38,102 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:38,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:38,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1645610747, now seen corresponding path program 1 times [2018-11-22 23:36:38,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:38,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:38,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:38,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:38,104 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:38,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:38,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:38,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:36:38,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:38,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:36:38,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:36:38,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:36:38,187 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 6 states. [2018-11-22 23:36:38,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:38,300 INFO L93 Difference]: Finished difference Result 453 states and 560 transitions. [2018-11-22 23:36:38,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:36:38,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-22 23:36:38,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:38,304 INFO L225 Difference]: With dead ends: 453 [2018-11-22 23:36:38,305 INFO L226 Difference]: Without dead ends: 305 [2018-11-22 23:36:38,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:36:38,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-11-22 23:36:38,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2018-11-22 23:36:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-11-22 23:36:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2018-11-22 23:36:38,334 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2018-11-22 23:36:38,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:38,335 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2018-11-22 23:36:38,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:36:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2018-11-22 23:36:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 23:36:38,338 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:38,338 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] [2018-11-22 23:36:38,339 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:38,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:38,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1992415049, now seen corresponding path program 1 times [2018-11-22 23:36:38,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:38,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:38,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:38,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:38,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:38,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:38,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:36:38,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:38,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:36:38,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:36:38,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:36:38,457 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 6 states. [2018-11-22 23:36:38,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:38,597 INFO L93 Difference]: Finished difference Result 545 states and 668 transitions. [2018-11-22 23:36:38,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:36:38,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-22 23:36:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:38,598 INFO L225 Difference]: With dead ends: 545 [2018-11-22 23:36:38,598 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:36:38,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:36:38,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:36:38,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:36:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:36:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:36:38,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-22 23:36:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:38,601 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:36:38,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:36:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:36:38,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:36:38,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:36:38,995 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2018-11-22 23:36:38,995 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2018-11-22 23:36:38,995 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2018-11-22 23:36:38,995 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2018-11-22 23:36:38,995 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2018-11-22 23:36:38,995 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2018-11-22 23:36:38,996 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2018-11-22 23:36:38,996 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2018-11-22 23:36:38,996 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2018-11-22 23:36:38,996 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 737 745) no Hoare annotation was computed. [2018-11-22 23:36:38,996 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,996 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,996 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2018-11-22 23:36:38,996 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,997 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2018-11-22 23:36:38,997 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-11-22 23:36:38,997 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2018-11-22 23:36:38,997 INFO L444 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,997 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,997 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-22 23:36:38,997 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-22 23:36:38,997 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 71) no Hoare annotation was computed. [2018-11-22 23:36:38,998 INFO L444 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,998 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,998 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-22 23:36:38,998 INFO L444 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,998 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2018-11-22 23:36:38,998 INFO L448 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2018-11-22 23:36:38,998 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 845 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,998 INFO L444 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,999 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2018-11-22 23:36:38,999 INFO L444 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,999 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 862) no Hoare annotation was computed. [2018-11-22 23:36:38,999 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2018-11-22 23:36:38,999 INFO L448 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2018-11-22 23:36:38,999 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:38,999 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:39,000 INFO L444 ceAbstractionStarter]: At program point L851-1(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:39,000 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 845 867) no Hoare annotation was computed. [2018-11-22 23:36:39,000 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2018-11-22 23:36:39,000 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-22 23:36:39,000 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 238 252) no Hoare annotation was computed. [2018-11-22 23:36:39,000 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-22 23:36:39,000 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-11-22 23:36:39,000 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-11-22 23:36:39,001 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-11-22 23:36:39,001 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-11-22 23:36:39,001 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:36:39,001 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:36:39,001 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:36:39,001 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:39,001 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2018-11-22 23:36:39,001 INFO L448 ceAbstractionStarter]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2018-11-22 23:36:39,001 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2018-11-22 23:36:39,002 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2018-11-22 23:36:39,002 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2018-11-22 23:36:39,002 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2018-11-22 23:36:39,002 INFO L451 ceAbstractionStarter]: At program point L799(lines 774 803) the Hoare annotation is: true [2018-11-22 23:36:39,002 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2018-11-22 23:36:39,002 INFO L448 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-11-22 23:36:39,002 INFO L448 ceAbstractionStarter]: For program point L788(lines 788 792) no Hoare annotation was computed. [2018-11-22 23:36:39,002 INFO L451 ceAbstractionStarter]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2018-11-22 23:36:39,002 INFO L448 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-11-22 23:36:39,003 INFO L451 ceAbstractionStarter]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2018-11-22 23:36:39,003 INFO L451 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-11-22 23:36:39,003 INFO L448 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-11-22 23:36:39,003 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-22 23:36:39,003 INFO L451 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: true [2018-11-22 23:36:39,003 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: true [2018-11-22 23:36:39,003 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-22 23:36:39,003 INFO L448 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2018-11-22 23:36:39,003 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2018-11-22 23:36:39,004 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2018-11-22 23:36:39,004 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2018-11-22 23:36:39,004 INFO L448 ceAbstractionStarter]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2018-11-22 23:36:39,004 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2018-11-22 23:36:39,004 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2018-11-22 23:36:39,004 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2018-11-22 23:36:39,004 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2018-11-22 23:36:39,004 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2018-11-22 23:36:39,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:36:39,005 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-22 23:36:39,005 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:36:39,005 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:36:39,005 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-22 23:36:39,005 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: true [2018-11-22 23:36:39,005 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-22 23:36:39,005 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2018-11-22 23:36:39,005 INFO L448 ceAbstractionStarter]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2018-11-22 23:36:39,005 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: true [2018-11-22 23:36:39,006 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-22 23:36:39,006 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-22 23:36:39,006 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-22 23:36:39,006 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-22 23:36:39,006 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 835 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:36:39,006 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2018-11-22 23:36:39,006 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2018-11-22 23:36:39,007 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2018-11-22 23:36:39,007 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-22 23:36:39,007 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2018-11-22 23:36:39,007 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 765) no Hoare annotation was computed. [2018-11-22 23:36:39,007 INFO L444 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-22 23:36:39,007 INFO L448 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2018-11-22 23:36:39,007 INFO L448 ceAbstractionStarter]: For program point L755(lines 755 768) no Hoare annotation was computed. [2018-11-22 23:36:39,007 INFO L448 ceAbstractionStarter]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2018-11-22 23:36:39,007 INFO L451 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2018-11-22 23:36:39,007 INFO L448 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2018-11-22 23:36:39,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:36:39 BoogieIcfgContainer [2018-11-22 23:36:39,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:36:39,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:36:39,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:36:39,024 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:36:39,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:37" (3/4) ... [2018-11-22 23:36:39,027 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:36:39,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:36:39,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:36:39,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:36:39,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:36:39,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:36:39,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:36:39,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 23:36:39,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:36:39,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:36:39,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:36:39,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:36:39,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:36:39,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:36:39,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:36:39,057 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-22 23:36:39,057 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:36:39,058 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:36:39,058 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:36:39,058 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:36:39,058 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:36:39,059 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:36:39,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:36:39,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:36:39,107 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_66984c32-46e1-4e81-9a3c-5073853a6541/bin-2019/utaipan/witness.graphml [2018-11-22 23:36:39,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:36:39,108 INFO L168 Benchmark]: Toolchain (without parser) took 2758.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -258.7 MB). Peak memory consumption was 300.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:36:39,109 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:36:39,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:36:39,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.78 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. [2018-11-22 23:36:39,109 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:36:39,110 INFO L168 Benchmark]: RCFGBuilder took 488.92 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:36:39,110 INFO L168 Benchmark]: TraceAbstraction took 1784.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.4 MB in the end (delta: 263.5 MB). Peak memory consumption was 263.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:36:39,110 INFO L168 Benchmark]: Witness Printer took 83.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 826.4 MB in the beginning and 1.2 GB in the end (delta: -388.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:36:39,112 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.78 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 28.65 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 488.92 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1784.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.4 MB in the end (delta: 263.5 MB). Peak memory consumption was 263.5 MB. Max. memory is 11.5 GB. * Witness Printer took 83.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 826.4 MB in the beginning and 1.2 GB in the end (delta: -388.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 511 SDtfs, 292 SDslu, 968 SDs, 0 SdLazy, 243 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 308 PreInvPairs, 351 NumberOfFragments, 406 HoareAnnotationTreeSize, 308 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1233 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...