./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_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_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:19:26,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:19:26,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:19:26,916 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:19:26,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:19:26,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:19:26,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:19:26,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:19:26,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:19:26,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:19:26,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:19:26,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:19:26,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:19:26,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:19:26,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:19:26,924 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:19:26,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:19:26,926 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:19:26,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:19:26,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:19:26,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:19:26,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:19:26,931 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:19:26,931 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:19:26,932 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:19:26,932 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:19:26,933 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:19:26,933 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:19:26,934 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:19:26,935 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:19:26,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:19:26,935 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:19:26,935 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:19:26,936 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:19:26,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:19:26,937 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:19:26,937 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:19:26,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:19:26,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:19:26,948 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:19:26,948 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:19:26,948 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:19:26,948 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:19:26,948 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:19:26,949 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:19:26,949 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:19:26,949 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:19:26,949 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:19:26,949 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:19:26,949 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:19:26,950 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:19:26,950 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:19:26,950 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:19:26,950 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:19:26,950 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:19:26,951 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:19:26,951 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:19:26,951 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:19:26,951 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:19:26,951 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:19:26,951 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:19:26,951 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:19:26,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:19:26,952 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:19:26,952 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:19:26,952 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:19:26,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:19:26,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:19:26,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:19:26,952 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:19:26,953 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:19:26,953 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:19:26,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:19:26,953 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:19:26,953 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_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2018-11-22 22:19:26,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:19:26,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:19:26,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:19:26,989 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:19:26,989 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:19:26,989 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-22 22:19:27,032 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/data/9c5ec80a0/fd734d9e78bd4c64adae5fdd00b81641/FLAG5588131e0 [2018-11-22 22:19:27,361 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:19:27,361 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-22 22:19:27,368 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/data/9c5ec80a0/fd734d9e78bd4c64adae5fdd00b81641/FLAG5588131e0 [2018-11-22 22:19:27,376 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/data/9c5ec80a0/fd734d9e78bd4c64adae5fdd00b81641 [2018-11-22 22:19:27,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:19:27,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:19:27,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:19:27,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:19:27,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:19:27,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27, skipping insertion in model container [2018-11-22 22:19:27,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:19:27,422 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:19:27,606 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:19:27,614 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:19:27,715 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:19:27,736 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:19:27,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27 WrapperNode [2018-11-22 22:19:27,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:19:27,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:19:27,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:19:27,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:19:27,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:19:27,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:19:27,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:19:27,761 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:19:27,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... [2018-11-22 22:19:27,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:19:27,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:19:27,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:19:27,784 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:19:27,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/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 22:19:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 22:19:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 22:19:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:19:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:19:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:19:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 22:19:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 22:19:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 22:19:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 22:19:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 22:19:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 22:19:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 22:19:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 22:19:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-22 22:19:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-22 22:19:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-22 22:19:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-22 22:19:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 22:19:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 22:19:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:19:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:19:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:19:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:19:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 22:19:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 22:19:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:19:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:19:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 22:19:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 22:19:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 22:19:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 22:19:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 22:19:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 22:19:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 22:19:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 22:19:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 22:19:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 22:19:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 22:19:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 22:19:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:19:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:19:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:19:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:19:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:19:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 22:19:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 22:19:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:19:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:19:28,202 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:19:28,202 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 22:19:28,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:19:28 BoogieIcfgContainer [2018-11-22 22:19:28,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:19:28,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:19:28,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:19:28,205 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:19:28,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:19:27" (1/3) ... [2018-11-22 22:19:28,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b343622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:19:28, skipping insertion in model container [2018-11-22 22:19:28,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:27" (2/3) ... [2018-11-22 22:19:28,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b343622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:19:28, skipping insertion in model container [2018-11-22 22:19:28,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:19:28" (3/3) ... [2018-11-22 22:19:28,208 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-22 22:19:28,214 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:19:28,220 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:19:28,229 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:19:28,251 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:19:28,251 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:19:28,251 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:19:28,251 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:19:28,251 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:19:28,251 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:19:28,251 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:19:28,252 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:19:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-22 22:19:28,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 22:19:28,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:19:28,272 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] [2018-11-22 22:19:28,274 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:19:28,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:19:28,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1783987143, now seen corresponding path program 1 times [2018-11-22 22:19:28,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:19:28,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:19:28,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:19:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:19:28,460 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 22:19:28,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:19:28,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:19:28,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:19:28,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:19:28,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:19:28,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:19:28,474 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-22 22:19:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:19:28,499 INFO L93 Difference]: Finished difference Result 204 states and 257 transitions. [2018-11-22 22:19:28,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:19:28,500 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-22 22:19:28,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:19:28,509 INFO L225 Difference]: With dead ends: 204 [2018-11-22 22:19:28,509 INFO L226 Difference]: Without dead ends: 104 [2018-11-22 22:19:28,512 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 22:19:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-22 22:19:28,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-22 22:19:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-22 22:19:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2018-11-22 22:19:28,548 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2018-11-22 22:19:28,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:19:28,549 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2018-11-22 22:19:28,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:19:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2018-11-22 22:19:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 22:19:28,551 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:19:28,552 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 22:19:28,552 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:19:28,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:19:28,552 INFO L82 PathProgramCache]: Analyzing trace with hash -837395500, now seen corresponding path program 1 times [2018-11-22 22:19:28,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:19:28,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:19:28,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:19:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:19:28,640 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 22:19:28,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:19:28,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:19:28,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:19:28,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:19:28,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:19:28,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:19:28,642 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 3 states. [2018-11-22 22:19:28,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:19:28,657 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2018-11-22 22:19:28,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:19:28,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 22:19:28,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:19:28,658 INFO L225 Difference]: With dead ends: 153 [2018-11-22 22:19:28,659 INFO L226 Difference]: Without dead ends: 95 [2018-11-22 22:19:28,660 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 22:19:28,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-22 22:19:28,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-22 22:19:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-22 22:19:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2018-11-22 22:19:28,669 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2018-11-22 22:19:28,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:19:28,669 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2018-11-22 22:19:28,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:19:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2018-11-22 22:19:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 22:19:28,671 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:19:28,671 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] [2018-11-22 22:19:28,671 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:19:28,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:19:28,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1859912798, now seen corresponding path program 1 times [2018-11-22 22:19:28,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:19:28,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:19:28,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:19:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:19:28,791 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 22:19:28,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:19:28,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:19:28,792 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:19:28,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:19:28,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:19:28,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:19:28,793 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 7 states. [2018-11-22 22:19:28,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:19:28,955 INFO L93 Difference]: Finished difference Result 162 states and 193 transitions. [2018-11-22 22:19:28,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:19:28,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-22 22:19:28,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:19:28,956 INFO L225 Difference]: With dead ends: 162 [2018-11-22 22:19:28,957 INFO L226 Difference]: Without dead ends: 95 [2018-11-22 22:19:28,957 INFO L631 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 [2018-11-22 22:19:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-22 22:19:28,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-22 22:19:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-22 22:19:28,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-11-22 22:19:28,966 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2018-11-22 22:19:28,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:19:28,967 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-11-22 22:19:28,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:19:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-11-22 22:19:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 22:19:28,969 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:19:28,969 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:19:28,969 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:19:28,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:19:28,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1652401263, now seen corresponding path program 1 times [2018-11-22 22:19:28,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:19:28,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:19:28,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:28,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:19:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:19:29,049 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 22:19:29,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:19:29,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:19:29,050 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:19:29,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:19:29,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:19:29,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:19:29,051 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 6 states. [2018-11-22 22:19:29,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:19:29,202 INFO L93 Difference]: Finished difference Result 221 states and 266 transitions. [2018-11-22 22:19:29,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:19:29,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-22 22:19:29,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:19:29,204 INFO L225 Difference]: With dead ends: 221 [2018-11-22 22:19:29,205 INFO L226 Difference]: Without dead ends: 154 [2018-11-22 22:19:29,205 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 22:19:29,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-22 22:19:29,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2018-11-22 22:19:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-22 22:19:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2018-11-22 22:19:29,223 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2018-11-22 22:19:29,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:19:29,223 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2018-11-22 22:19:29,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:19:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2018-11-22 22:19:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 22:19:29,227 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:19:29,227 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:19:29,228 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:19:29,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:19:29,228 INFO L82 PathProgramCache]: Analyzing trace with hash 619446251, now seen corresponding path program 1 times [2018-11-22 22:19:29,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:19:29,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:29,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:19:29,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:19:29,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:19:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:19:29,356 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 22:19:29,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:19:29,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:19:29,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:19:29,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:19:29,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:19:29,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:19:29,358 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 7 states. [2018-11-22 22:19:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:19:29,695 INFO L93 Difference]: Finished difference Result 240 states and 289 transitions. [2018-11-22 22:19:29,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:19:29,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-11-22 22:19:29,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:19:29,696 INFO L225 Difference]: With dead ends: 240 [2018-11-22 22:19:29,696 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:19:29,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:19:29,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:19:29,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:19:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:19:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:19:29,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-11-22 22:19:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:19:29,698 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:19:29,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:19:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:19:29,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:19:29,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:19:30,335 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2018-11-22 22:19:30,336 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2018-11-22 22:19:30,336 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 325 332) no Hoare annotation was computed. [2018-11-22 22:19:30,336 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,336 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2018-11-22 22:19:30,336 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2018-11-22 22:19:30,336 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 292 316) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,337 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,337 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,337 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2018-11-22 22:19:30,337 INFO L444 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,337 INFO L448 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2018-11-22 22:19:30,337 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2018-11-22 22:19:30,337 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 408 414) the Hoare annotation is: true [2018-11-22 22:19:30,337 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 408 414) no Hoare annotation was computed. [2018-11-22 22:19:30,337 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2018-11-22 22:19:30,338 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2018-11-22 22:19:30,338 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 415 423) no Hoare annotation was computed. [2018-11-22 22:19:30,338 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 415 423) the Hoare annotation is: true [2018-11-22 22:19:30,338 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 415 423) no Hoare annotation was computed. [2018-11-22 22:19:30,338 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 188 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,340 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 188 251) no Hoare annotation was computed. [2018-11-22 22:19:30,340 INFO L444 ceAbstractionStarter]: At program point L244(lines 197 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,340 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-11-22 22:19:30,340 INFO L444 ceAbstractionStarter]: At program point L234-2(lines 228 239) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-22 22:19:30,340 INFO L448 ceAbstractionStarter]: For program point L199(lines 198 243) no Hoare annotation was computed. [2018-11-22 22:19:30,340 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 239) no Hoare annotation was computed. [2018-11-22 22:19:30,340 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-22 22:19:30,340 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 224) no Hoare annotation was computed. [2018-11-22 22:19:30,341 INFO L448 ceAbstractionStarter]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2018-11-22 22:19:30,341 INFO L444 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-22 22:19:30,341 INFO L444 ceAbstractionStarter]: At program point L241(lines 198 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-22 22:19:30,341 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 214) no Hoare annotation was computed. [2018-11-22 22:19:30,341 INFO L448 ceAbstractionStarter]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2018-11-22 22:19:30,341 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 204) no Hoare annotation was computed. [2018-11-22 22:19:30,341 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 188 251) no Hoare annotation was computed. [2018-11-22 22:19:30,341 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,341 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,342 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,342 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,342 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-22 22:19:30,342 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-22 22:19:30,342 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,342 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,342 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-22 22:19:30,342 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-22 22:19:30,342 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 22:19:30,342 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2018-11-22 22:19:30,342 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 344 352) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: true [2018-11-22 22:19:30,343 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L451 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: true [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-11-22 22:19:30,343 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: true [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 452 463) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 464 472) the Hoare annotation is: true [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 464 472) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 464 472) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,344 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,344 INFO L444 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-22 22:19:30,344 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 428 439) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 428 439) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 401 407) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 401 407) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-22 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-22 22:19:30,345 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:19:30,345 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 22:19:30,345 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:19:30,346 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:19:30,346 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 440 451) no Hoare annotation was computed. [2018-11-22 22:19:30,346 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-11-22 22:19:30,346 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 440 451) the Hoare annotation is: true [2018-11-22 22:19:30,346 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 506 513) no Hoare annotation was computed. [2018-11-22 22:19:30,346 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 506 513) the Hoare annotation is: true [2018-11-22 22:19:30,346 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 506 513) no Hoare annotation was computed. [2018-11-22 22:19:30,346 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2018-11-22 22:19:30,346 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,346 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:19:30,347 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-22 22:19:30,347 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-22 22:19:30,347 INFO L448 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2018-11-22 22:19:30,347 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2018-11-22 22:19:30,347 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2018-11-22 22:19:30,347 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 333 343) no Hoare annotation was computed. [2018-11-22 22:19:30,347 INFO L451 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: true [2018-11-22 22:19:30,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:19:30 BoogieIcfgContainer [2018-11-22 22:19:30,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:19:30,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:19:30,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:19:30,362 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:19:30,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:19:28" (3/4) ... [2018-11-22 22:19:30,364 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:19:30,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 22:19:30,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 22:19:30,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 22:19:30,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 22:19:30,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 22:19:30,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 22:19:30,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 22:19:30,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 22:19:30,377 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-22 22:19:30,377 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:19:30,378 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:19:30,378 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:19:30,378 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:19:30,378 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:19:30,379 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:19:30,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-22 22:19:30,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 22:19:30,430 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b9e64f7b-a0f7-4214-9959-e06d24aa4dec/bin-2019/utaipan/witness.graphml [2018-11-22 22:19:30,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:19:30,431 INFO L168 Benchmark]: Toolchain (without parser) took 3052.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -220.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:30,431 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:19:30,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:30,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.52 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 22:19:30,432 INFO L168 Benchmark]: Boogie Preprocessor took 23.32 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:30,432 INFO L168 Benchmark]: RCFGBuilder took 418.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:30,432 INFO L168 Benchmark]: TraceAbstraction took 2158.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.2 MB). Peak memory consumption was 286.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:30,433 INFO L168 Benchmark]: Witness Printer took 68.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:30,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.52 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 23.32 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 418.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2158.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.2 MB). Peak memory consumption was 286.6 MB. Max. memory is 11.5 GB. * Witness Printer took 68.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 252 SDslu, 817 SDs, 0 SdLazy, 318 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred 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, 50 LocationsWithAnnotation, 225 PreInvPairs, 238 NumberOfFragments, 448 HoareAnnotationTreeSize, 225 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 736 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 30424 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...