./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/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 f306469f6fc3f3c0759d128d38f84cc775adb88e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:57:13,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:57:13,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:57:13,916 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:57:13,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:57:13,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:57:13,917 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:57:13,918 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:57:13,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:57:13,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:57:13,920 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:57:13,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:57:13,921 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:57:13,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:57:13,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:57:13,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:57:13,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:57:13,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:57:13,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:57:13,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:57:13,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:57:13,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:57:13,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:57:13,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:57:13,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:57:13,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:57:13,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:57:13,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:57:13,933 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:57:13,933 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:57:13,934 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:57:13,934 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:57:13,934 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:57:13,934 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:57:13,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:57:13,935 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:57:13,936 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:57:13,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:57:13,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:57:13,946 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:57:13,946 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:57:13,947 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:57:13,947 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:57:13,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:57:13,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:57:13,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:57:13,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:57:13,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:57:13,948 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:57:13,948 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:57:13,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:57:13,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:57:13,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:57:13,949 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:57:13,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:57:13,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:57:13,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:57:13,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:57:13,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:57:13,950 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:57:13,950 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_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2018-11-18 16:57:13,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:57:13,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:57:13,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:57:13,983 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:57:13,984 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:57:13,984 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:57:14,023 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/data/b9fb0cd3c/8d1997bb0650449586c3aa61d11b647a/FLAGd1b9c565b [2018-11-18 16:57:14,364 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:57:14,364 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:57:14,370 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/data/b9fb0cd3c/8d1997bb0650449586c3aa61d11b647a/FLAGd1b9c565b [2018-11-18 16:57:14,378 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/data/b9fb0cd3c/8d1997bb0650449586c3aa61d11b647a [2018-11-18 16:57:14,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:57:14,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:57:14,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:57:14,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:57:14,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:57:14,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14, skipping insertion in model container [2018-11-18 16:57:14,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:57:14,428 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:57:14,608 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:57:14,616 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:57:14,712 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:57:14,728 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:57:14,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14 WrapperNode [2018-11-18 16:57:14,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:57:14,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:57:14,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:57:14,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:57:14,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:57:14,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:57:14,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:57:14,749 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:57:14,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... [2018-11-18 16:57:14,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:57:14,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:57:14,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:57:14,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:57:14,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:57:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:57:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:57:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:57:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:57:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:57:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:57:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:57:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:57:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:57:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:57:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:57:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:57:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:57:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:57:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:57:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:57:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:57:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:57:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:57:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:57:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:57:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:57:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:57:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:57:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:57:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:57:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:57:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:57:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:57:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:57:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:57:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:57:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:57:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:57:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:57:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:57:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:57:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:57:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:57:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:57:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:57:15,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:57:15,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:57:15 BoogieIcfgContainer [2018-11-18 16:57:15,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:57:15,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:57:15,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:57:15,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:57:15,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:57:14" (1/3) ... [2018-11-18 16:57:15,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f90e33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:57:15, skipping insertion in model container [2018-11-18 16:57:15,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:14" (2/3) ... [2018-11-18 16:57:15,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f90e33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:57:15, skipping insertion in model container [2018-11-18 16:57:15,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:57:15" (3/3) ... [2018-11-18 16:57:15,226 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:57:15,234 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:57:15,240 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:57:15,252 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:57:15,277 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:57:15,277 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:57:15,277 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:57:15,277 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:57:15,277 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:57:15,277 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:57:15,277 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:57:15,277 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:57:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-11-18 16:57:15,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:57:15,298 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:57:15,299 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:57:15,301 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:57:15,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:57:15,306 INFO L82 PathProgramCache]: Analyzing trace with hash -728926526, now seen corresponding path program 1 times [2018-11-18 16:57:15,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:57:15,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:15,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:57:15,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:15,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:57:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:57:15,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:57:15,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:57:15,508 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:57:15,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:57:15,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:57:15,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:57:15,521 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2018-11-18 16:57:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:57:15,539 INFO L93 Difference]: Finished difference Result 172 states and 217 transitions. [2018-11-18 16:57:15,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:57:15,540 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 16:57:15,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:57:15,545 INFO L225 Difference]: With dead ends: 172 [2018-11-18 16:57:15,545 INFO L226 Difference]: Without dead ends: 88 [2018-11-18 16:57:15,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:57:15,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-18 16:57:15,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-11-18 16:57:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-18 16:57:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 102 transitions. [2018-11-18 16:57:15,573 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 102 transitions. Word has length 51 [2018-11-18 16:57:15,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:57:15,574 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 102 transitions. [2018-11-18 16:57:15,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:57:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2018-11-18 16:57:15,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:57:15,575 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:57:15,575 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:57:15,576 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:57:15,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:57:15,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1262918692, now seen corresponding path program 1 times [2018-11-18 16:57:15,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:57:15,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:15,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:57:15,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:15,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:57:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:57:15,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:57:15,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:57:15,653 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:57:15,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:57:15,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:57:15,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:57:15,655 INFO L87 Difference]: Start difference. First operand 88 states and 102 transitions. Second operand 3 states. [2018-11-18 16:57:15,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:57:15,668 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2018-11-18 16:57:15,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:57:15,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 16:57:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:57:15,670 INFO L225 Difference]: With dead ends: 119 [2018-11-18 16:57:15,670 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 16:57:15,671 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:57:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 16:57:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-18 16:57:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 16:57:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2018-11-18 16:57:15,679 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2018-11-18 16:57:15,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:57:15,679 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2018-11-18 16:57:15,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:57:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2018-11-18 16:57:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 16:57:15,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:57:15,681 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:57:15,681 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:57:15,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:57:15,681 INFO L82 PathProgramCache]: Analyzing trace with hash 55687015, now seen corresponding path program 1 times [2018-11-18 16:57:15,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:57:15,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:15,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:57:15,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:15,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:57:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:57:15,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:57:15,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:57:15,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:57:15,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:57:15,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:57:15,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:57:15,798 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 7 states. [2018-11-18 16:57:15,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:57:15,989 INFO L93 Difference]: Finished difference Result 128 states and 151 transitions. [2018-11-18 16:57:15,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:57:15,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 16:57:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:57:15,990 INFO L225 Difference]: With dead ends: 128 [2018-11-18 16:57:15,991 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 16:57:15,991 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:57:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 16:57:15,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-18 16:57:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 16:57:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2018-11-18 16:57:15,999 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2018-11-18 16:57:16,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:57:16,000 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2018-11-18 16:57:16,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:57:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2018-11-18 16:57:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 16:57:16,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:57:16,001 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:57:16,002 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:57:16,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:57:16,002 INFO L82 PathProgramCache]: Analyzing trace with hash -486316881, now seen corresponding path program 1 times [2018-11-18 16:57:16,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:57:16,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:16,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:57:16,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:16,003 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:57:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:57:16,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:57:16,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:57:16,095 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:57:16,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:57:16,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:57:16,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:57:16,096 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 6 states. [2018-11-18 16:57:16,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:57:16,318 INFO L93 Difference]: Finished difference Result 170 states and 203 transitions. [2018-11-18 16:57:16,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:57:16,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 16:57:16,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:57:16,322 INFO L225 Difference]: With dead ends: 170 [2018-11-18 16:57:16,323 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 16:57:16,323 INFO L604 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 [2018-11-18 16:57:16,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 16:57:16,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2018-11-18 16:57:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-18 16:57:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-18 16:57:16,336 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 60 [2018-11-18 16:57:16,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:57:16,336 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-18 16:57:16,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:57:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-18 16:57:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:57:16,338 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:57:16,338 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:57:16,338 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:57:16,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:57:16,338 INFO L82 PathProgramCache]: Analyzing trace with hash 2061474259, now seen corresponding path program 1 times [2018-11-18 16:57:16,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:57:16,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:16,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:57:16,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:57:16,339 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:57:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:57:16,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:57:16,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:57:16,446 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:57:16,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:57:16,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:57:16,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:57:16,447 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 6 states. [2018-11-18 16:57:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:57:16,613 INFO L93 Difference]: Finished difference Result 198 states and 235 transitions. [2018-11-18 16:57:16,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:57:16,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-18 16:57:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:57:16,614 INFO L225 Difference]: With dead ends: 198 [2018-11-18 16:57:16,614 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:57:16,615 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:57:16,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:57:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:57:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:57:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:57:16,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-18 16:57:16,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:57:16,616 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:57:16,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:57:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:57:16,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:57:16,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:57:16,927 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 519 525) no Hoare annotation was computed. [2018-11-18 16:57:16,928 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 519 525) the Hoare annotation is: true [2018-11-18 16:57:16,928 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2018-11-18 16:57:16,928 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2018-11-18 16:57:16,928 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2018-11-18 16:57:16,928 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2018-11-18 16:57:16,928 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2018-11-18 16:57:16,928 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 419 482) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,929 INFO L421 ceAbstractionStarter]: At program point L475(lines 428 476) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,929 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 419 482) no Hoare annotation was computed. [2018-11-18 16:57:16,929 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-11-18 16:57:16,929 INFO L421 ceAbstractionStarter]: At program point L465-2(lines 459 470) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,931 INFO L425 ceAbstractionStarter]: For program point L430(lines 429 474) no Hoare annotation was computed. [2018-11-18 16:57:16,931 INFO L425 ceAbstractionStarter]: For program point L459(lines 459 470) no Hoare annotation was computed. [2018-11-18 16:57:16,931 INFO L421 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,931 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 455) no Hoare annotation was computed. [2018-11-18 16:57:16,931 INFO L425 ceAbstractionStarter]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2018-11-18 16:57:16,932 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,932 INFO L421 ceAbstractionStarter]: At program point L472(lines 429 474) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,932 INFO L425 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-11-18 16:57:16,932 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2018-11-18 16:57:16,935 INFO L425 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-11-18 16:57:16,936 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 429 474) no Hoare annotation was computed. [2018-11-18 16:57:16,936 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 419 482) no Hoare annotation was computed. [2018-11-18 16:57:16,936 INFO L421 ceAbstractionStarter]: At program point L738-1(line 738) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,936 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 732 754) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,936 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 732 754) no Hoare annotation was computed. [2018-11-18 16:57:16,936 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 732 754) no Hoare annotation was computed. [2018-11-18 16:57:16,936 INFO L421 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0))) [2018-11-18 16:57:16,936 INFO L421 ceAbstractionStarter]: At program point L744-1(line 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0))) [2018-11-18 16:57:16,936 INFO L425 ceAbstractionStarter]: For program point L742(lines 742 749) no Hoare annotation was computed. [2018-11-18 16:57:16,937 INFO L425 ceAbstractionStarter]: For program point L742-1(lines 742 749) no Hoare annotation was computed. [2018-11-18 16:57:16,937 INFO L425 ceAbstractionStarter]: For program point L740(line 740) no Hoare annotation was computed. [2018-11-18 16:57:16,937 INFO L421 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,937 INFO L421 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,937 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 571 579) no Hoare annotation was computed. [2018-11-18 16:57:16,937 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 571 579) the Hoare annotation is: true [2018-11-18 16:57:16,937 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 571 579) no Hoare annotation was computed. [2018-11-18 16:57:16,937 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 16:57:16,937 INFO L425 ceAbstractionStarter]: For program point L639(lines 639 645) no Hoare annotation was computed. [2018-11-18 16:57:16,937 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 648) no Hoare annotation was computed. [2018-11-18 16:57:16,937 INFO L421 ceAbstractionStarter]: At program point L636(line 636) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 16:57:16,938 INFO L425 ceAbstractionStarter]: For program point L636-1(line 636) no Hoare annotation was computed. [2018-11-18 16:57:16,938 INFO L425 ceAbstractionStarter]: For program point L634(lines 634 651) no Hoare annotation was computed. [2018-11-18 16:57:16,938 INFO L425 ceAbstractionStarter]: For program point L634-1(lines 626 654) no Hoare annotation was computed. [2018-11-18 16:57:16,938 INFO L428 ceAbstractionStarter]: At program point L632(line 632) the Hoare annotation is: true [2018-11-18 16:57:16,938 INFO L425 ceAbstractionStarter]: For program point L632-1(line 632) no Hoare annotation was computed. [2018-11-18 16:57:16,938 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 626 654) the Hoare annotation is: true [2018-11-18 16:57:16,938 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 626 654) no Hoare annotation was computed. [2018-11-18 16:57:16,938 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 618 625) the Hoare annotation is: true [2018-11-18 16:57:16,938 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 618 625) no Hoare annotation was computed. [2018-11-18 16:57:16,938 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 618 625) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 783 794) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 783 794) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 795 803) the Hoare annotation is: true [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 795 803) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 795 803) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 657 686) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L428 ceAbstractionStarter]: At program point L671-1(lines 671 675) the Hoare annotation is: true [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point L667-1(lines 667 681) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L428 ceAbstractionStarter]: At program point L667-3(lines 667 681) the Hoare annotation is: true [2018-11-18 16:57:16,939 INFO L428 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: true [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L428 ceAbstractionStarter]: At program point L682(lines 657 686) the Hoare annotation is: true [2018-11-18 16:57:16,939 INFO L425 ceAbstractionStarter]: For program point L678(line 678) no Hoare annotation was computed. [2018-11-18 16:57:16,939 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 657 686) the Hoare annotation is: true [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L428 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2018-11-18 16:57:16,940 INFO L428 ceAbstractionStarter]: At program point L506(lines 506 512) the Hoare annotation is: true [2018-11-18 16:57:16,940 INFO L421 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point L499(lines 498 517) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 495 518) the Hoare annotation is: true [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 495 518) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 495 518) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 759 770) the Hoare annotation is: true [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point L763-1(lines 759 770) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 759 770) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 711 717) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 711 717) the Hoare annotation is: true [2018-11-18 16:57:16,940 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:16,940 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 16:57:16,940 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 771 782) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 771 782) the Hoare annotation is: true [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 718 728) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 718 728) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 718 728) no Hoare annotation was computed. [2018-11-18 16:57:16,941 INFO L421 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:57:16,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:57:16 BoogieIcfgContainer [2018-11-18 16:57:16,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:57:16,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:57:16,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:57:16,949 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:57:16,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:57:15" (3/4) ... [2018-11-18 16:57:16,952 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:57:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:57:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:57:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:57:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:57:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:57:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:57:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:57:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:57:16,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:57:16,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:57:16,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:57:16,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 16:57:16,965 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:57:16,965 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:57:16,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:57:16,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:57:17,018 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bb97e9a-8fdf-4adf-91c6-a57c3d4c0f2d/bin-2019/utaipan/witness.graphml [2018-11-18 16:57:17,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:57:17,019 INFO L168 Benchmark]: Toolchain (without parser) took 2637.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:17,020 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 16:57:17,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:17,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:17,021 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:17,021 INFO L168 Benchmark]: RCFGBuilder took 444.26 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:17,021 INFO L168 Benchmark]: TraceAbstraction took 1728.07 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: -8.1 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:17,021 INFO L168 Benchmark]: Witness Printer took 69.25 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:17,023 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.72 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 444.26 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1728.07 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: -8.1 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. * Witness Printer took 69.25 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: 7.0 MB). Peak memory consumption was 7.0 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: 429]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 101 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 453 SDtfs, 216 SDslu, 749 SDs, 0 SdLazy, 171 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 155 PreInvPairs, 168 NumberOfFragments, 309 HoareAnnotationTreeSize, 155 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 595 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 28990 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...