./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/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 dfe06fc1ef2f52cf03ee60bd1d5f57aaa8aba092 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:52:18,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:52:18,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:52:18,025 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:52:18,025 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:52:18,026 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:52:18,027 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:52:18,028 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:52:18,029 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:52:18,030 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:52:18,030 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:52:18,031 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:52:18,031 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:52:18,032 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:52:18,033 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:52:18,034 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:52:18,034 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:52:18,036 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:52:18,037 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:52:18,038 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:52:18,039 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:52:18,040 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:52:18,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:52:18,042 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:52:18,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:52:18,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:52:18,044 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:52:18,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:52:18,046 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:52:18,046 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:52:18,047 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:52:18,047 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:52:18,047 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:52:18,047 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:52:18,048 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:52:18,050 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:52:18,050 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:52:18,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:52:18,060 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:52:18,061 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:52:18,062 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:52:18,062 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:52:18,062 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:52:18,062 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:52:18,062 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:52:18,062 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:52:18,062 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:52:18,063 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:52:18,063 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:52:18,063 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:52:18,063 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:52:18,064 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:52:18,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:52:18,067 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:52:18,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:52:18,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:52:18,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:52:18,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:52:18,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:52:18,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:52:18,068 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:52:18,068 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:52:18,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:52:18,068 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:52:18,068 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_40e318d5-365a-46d1-a9c5-62899325d619/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 -> dfe06fc1ef2f52cf03ee60bd1d5f57aaa8aba092 [2018-10-26 22:52:18,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:52:18,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:52:18,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:52:18,118 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:52:18,118 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:52:18,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-10-26 22:52:18,162 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/data/00182600b/f9c5f809cc4d4718978cd72fd94da4d0/FLAGd62d7e421 [2018-10-26 22:52:18,538 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:52:18,539 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-10-26 22:52:18,548 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/data/00182600b/f9c5f809cc4d4718978cd72fd94da4d0/FLAGd62d7e421 [2018-10-26 22:52:18,559 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/data/00182600b/f9c5f809cc4d4718978cd72fd94da4d0 [2018-10-26 22:52:18,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:52:18,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:52:18,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:52:18,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:52:18,567 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:52:18,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:18,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c90e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18, skipping insertion in model container [2018-10-26 22:52:18,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:18,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:52:18,615 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:52:18,823 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:52:18,832 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:52:18,888 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:52:18,911 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:52:18,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18 WrapperNode [2018-10-26 22:52:18,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:52:18,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:52:18,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:52:18,913 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:52:18,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:18,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:52:19,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:52:19,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:52:19,053 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:52:19,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... [2018-10-26 22:52:19,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:52:19,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:52:19,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:52:19,117 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:52:19,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:52:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:52:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:52:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:52:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 22:52:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 22:52:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:52:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:52:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:52:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:52:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:52:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:52:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:52:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:52:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 22:52:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 22:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-10-26 22:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-10-26 22:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-10-26 22:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-10-26 22:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-10-26 22:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-10-26 22:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:52:20,332 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:52:20,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:52:20 BoogieIcfgContainer [2018-10-26 22:52:20,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:52:20,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:52:20,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:52:20,336 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:52:20,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:52:18" (1/3) ... [2018-10-26 22:52:20,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539a8a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:52:20, skipping insertion in model container [2018-10-26 22:52:20,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:18" (2/3) ... [2018-10-26 22:52:20,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539a8a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:52:20, skipping insertion in model container [2018-10-26 22:52:20,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:52:20" (3/3) ... [2018-10-26 22:52:20,339 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-10-26 22:52:20,349 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:52:20,357 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:52:20,373 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:52:20,405 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:52:20,405 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:52:20,405 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:52:20,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:52:20,406 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:52:20,406 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:52:20,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:52:20,407 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:52:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-10-26 22:52:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 22:52:20,436 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:20,437 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:20,439 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:20,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:20,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1724138373, now seen corresponding path program 1 times [2018-10-26 22:52:20,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:20,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:20,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:20,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:20,495 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:52:20,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:20,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:52:20,763 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:20,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:52:20,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:52:20,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:52:20,784 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-10-26 22:52:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:20,816 INFO L93 Difference]: Finished difference Result 232 states and 285 transitions. [2018-10-26 22:52:20,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:52:20,818 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-10-26 22:52:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:20,829 INFO L225 Difference]: With dead ends: 232 [2018-10-26 22:52:20,829 INFO L226 Difference]: Without dead ends: 118 [2018-10-26 22:52:20,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:52:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-10-26 22:52:20,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-10-26 22:52:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-10-26 22:52:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-10-26 22:52:20,883 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 59 [2018-10-26 22:52:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:20,884 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-10-26 22:52:20,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:52:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-10-26 22:52:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 22:52:20,891 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:20,891 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:20,891 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:20,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:20,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1566957154, now seen corresponding path program 1 times [2018-10-26 22:52:20,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:20,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:20,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:20,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:20,898 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:52:21,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:21,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:52:21,081 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:21,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:52:21,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:52:21,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:52:21,084 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 3 states. [2018-10-26 22:52:21,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:21,114 INFO L93 Difference]: Finished difference Result 175 states and 201 transitions. [2018-10-26 22:52:21,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:52:21,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-10-26 22:52:21,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:21,117 INFO L225 Difference]: With dead ends: 175 [2018-10-26 22:52:21,117 INFO L226 Difference]: Without dead ends: 108 [2018-10-26 22:52:21,119 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:52:21,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-26 22:52:21,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-10-26 22:52:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-26 22:52:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2018-10-26 22:52:21,139 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 61 [2018-10-26 22:52:21,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:21,139 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2018-10-26 22:52:21,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:52:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2018-10-26 22:52:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:52:21,147 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:21,148 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:21,148 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:21,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:21,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1666139799, now seen corresponding path program 1 times [2018-10-26 22:52:21,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:21,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:21,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:21,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:21,150 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:52:21,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:21,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:52:21,361 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:21,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:52:21,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:52:21,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:52:21,363 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand 7 states. [2018-10-26 22:52:21,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:21,988 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2018-10-26 22:52:21,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:52:21,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-10-26 22:52:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:21,990 INFO L225 Difference]: With dead ends: 188 [2018-10-26 22:52:21,990 INFO L226 Difference]: Without dead ends: 108 [2018-10-26 22:52:21,991 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:52:21,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-26 22:52:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-10-26 22:52:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-26 22:52:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2018-10-26 22:52:22,004 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 66 [2018-10-26 22:52:22,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:22,006 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2018-10-26 22:52:22,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:52:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2018-10-26 22:52:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-26 22:52:22,009 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:22,009 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:22,009 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:22,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:22,009 INFO L82 PathProgramCache]: Analyzing trace with hash -847048976, now seen corresponding path program 1 times [2018-10-26 22:52:22,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:22,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:22,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:22,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:22,011 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:52:22,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:22,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:52:22,219 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:22,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:52:22,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:52:22,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:52:22,220 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 7 states. [2018-10-26 22:52:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:23,118 INFO L93 Difference]: Finished difference Result 166 states and 194 transitions. [2018-10-26 22:52:23,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:52:23,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2018-10-26 22:52:23,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:23,120 INFO L225 Difference]: With dead ends: 166 [2018-10-26 22:52:23,120 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:52:23,122 INFO L605 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 [2018-10-26 22:52:23,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:52:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:52:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:52:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:52:23,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-10-26 22:52:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:23,123 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:52:23,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:52:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:52:23,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:52:23,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:52:23,527 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 22:52:23,817 WARN L179 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 22:52:24,334 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2018-10-26 22:52:24,335 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2018-10-26 22:52:24,335 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2018-10-26 22:52:24,335 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2018-10-26 22:52:24,335 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2018-10-26 22:52:24,335 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 484 491) the Hoare annotation is: true [2018-10-26 22:52:24,335 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 484 491) no Hoare annotation was computed. [2018-10-26 22:52:24,335 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 484 491) no Hoare annotation was computed. [2018-10-26 22:52:24,335 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-26 22:52:24,335 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 492 501) the Hoare annotation is: true [2018-10-26 22:52:24,335 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 492 501) no Hoare annotation was computed. [2018-10-26 22:52:24,336 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 492 501) no Hoare annotation was computed. [2018-10-26 22:52:24,336 INFO L428 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: true [2018-10-26 22:52:24,336 INFO L425 ceAbstractionStarter]: For program point L512-1(line 512) no Hoare annotation was computed. [2018-10-26 22:52:24,336 INFO L425 ceAbstractionStarter]: For program point L510(lines 510 527) no Hoare annotation was computed. [2018-10-26 22:52:24,336 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 502 530) no Hoare annotation was computed. [2018-10-26 22:52:24,336 INFO L428 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2018-10-26 22:52:24,336 INFO L425 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2018-10-26 22:52:24,336 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 502 530) the Hoare annotation is: true [2018-10-26 22:52:24,336 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 502 530) no Hoare annotation was computed. [2018-10-26 22:52:24,336 INFO L421 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,337 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 521) no Hoare annotation was computed. [2018-10-26 22:52:24,337 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 524) no Hoare annotation was computed. [2018-10-26 22:52:24,337 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 458 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,337 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 458 480) no Hoare annotation was computed. [2018-10-26 22:52:24,337 INFO L421 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-10-26 22:52:24,337 INFO L421 ceAbstractionStarter]: At program point L470-1(line 470) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-10-26 22:52:24,337 INFO L425 ceAbstractionStarter]: For program point L468(lines 468 475) no Hoare annotation was computed. [2018-10-26 22:52:24,337 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 468 475) no Hoare annotation was computed. [2018-10-26 22:52:24,337 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-26 22:52:24,338 INFO L421 ceAbstractionStarter]: At program point L465(line 465) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,338 INFO L421 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,338 INFO L421 ceAbstractionStarter]: At program point L464-1(line 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,338 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 458 480) no Hoare annotation was computed. [2018-10-26 22:52:24,338 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2018-10-26 22:52:24,338 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2018-10-26 22:52:24,338 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2018-10-26 22:52:24,338 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2018-10-26 22:52:24,338 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2018-10-26 22:52:24,339 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 447 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,339 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 447 457) no Hoare annotation was computed. [2018-10-26 22:52:24,339 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 447 457) no Hoare annotation was computed. [2018-10-26 22:52:24,339 INFO L421 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,339 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 319 329) the Hoare annotation is: true [2018-10-26 22:52:24,339 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2018-10-26 22:52:24,339 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2018-10-26 22:52:24,339 INFO L428 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-10-26 22:52:24,339 INFO L425 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-10-26 22:52:24,339 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2018-10-26 22:52:24,340 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2018-10-26 22:52:24,340 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2018-10-26 22:52:24,340 INFO L421 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,340 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 294) no Hoare annotation was computed. [2018-10-26 22:52:24,340 INFO L421 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,340 INFO L425 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2018-10-26 22:52:24,340 INFO L425 ceAbstractionStarter]: For program point L282(lines 282 299) no Hoare annotation was computed. [2018-10-26 22:52:24,340 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 278 302) no Hoare annotation was computed. [2018-10-26 22:52:24,341 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 278 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,341 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,341 INFO L425 ceAbstractionStarter]: For program point L297-1(lines 278 302) no Hoare annotation was computed. [2018-10-26 22:52:24,341 INFO L421 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,341 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 270 276) no Hoare annotation was computed. [2018-10-26 22:52:24,341 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 270 276) the Hoare annotation is: true [2018-10-26 22:52:24,341 INFO L421 ceAbstractionStarter]: At program point L225(lines 176 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,342 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 167 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,342 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 219) no Hoare annotation was computed. [2018-10-26 22:52:24,342 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 167 232) no Hoare annotation was computed. [2018-10-26 22:52:24,342 INFO L421 ceAbstractionStarter]: At program point L215-2(lines 207 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,342 INFO L425 ceAbstractionStarter]: For program point L178(lines 177 224) no Hoare annotation was computed. [2018-10-26 22:52:24,342 INFO L421 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,342 INFO L425 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-10-26 22:52:24,343 INFO L421 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,343 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2018-10-26 22:52:24,343 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 197 203) no Hoare annotation was computed. [2018-10-26 22:52:24,343 INFO L421 ceAbstractionStarter]: At program point L222(lines 177 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,343 INFO L421 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,343 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2018-10-26 22:52:24,343 INFO L425 ceAbstractionStarter]: For program point L187-1(lines 187 193) no Hoare annotation was computed. [2018-10-26 22:52:24,344 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 183) no Hoare annotation was computed. [2018-10-26 22:52:24,344 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 177 224) no Hoare annotation was computed. [2018-10-26 22:52:24,344 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 167 232) no Hoare annotation was computed. [2018-10-26 22:52:24,344 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:52:24,344 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 22:52:24,344 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:52:24,344 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-10-26 22:52:24,344 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-10-26 22:52:24,345 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-10-26 22:52:24,345 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-10-26 22:52:24,345 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-10-26 22:52:24,345 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-10-26 22:52:24,345 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-10-26 22:52:24,345 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-10-26 22:52:24,345 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-10-26 22:52:24,345 INFO L421 ceAbstractionStarter]: At program point L257(lines 257 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,346 INFO L421 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,346 INFO L425 ceAbstractionStarter]: For program point L250(lines 246 268) no Hoare annotation was computed. [2018-10-26 22:52:24,346 INFO L425 ceAbstractionStarter]: For program point L248(lines 246 268) no Hoare annotation was computed. [2018-10-26 22:52:24,346 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 243 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,346 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 243 269) no Hoare annotation was computed. [2018-10-26 22:52:24,346 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 243 269) no Hoare annotation was computed. [2018-10-26 22:52:24,346 INFO L421 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:52:24,347 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 385 414) no Hoare annotation was computed. [2018-10-26 22:52:24,347 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 403) no Hoare annotation was computed. [2018-10-26 22:52:24,347 INFO L428 ceAbstractionStarter]: At program point L399-1(lines 399 403) the Hoare annotation is: true [2018-10-26 22:52:24,347 INFO L425 ceAbstractionStarter]: For program point L395-1(lines 395 409) no Hoare annotation was computed. [2018-10-26 22:52:24,347 INFO L428 ceAbstractionStarter]: At program point L395-3(lines 395 409) the Hoare annotation is: true [2018-10-26 22:52:24,347 INFO L428 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2018-10-26 22:52:24,347 INFO L425 ceAbstractionStarter]: For program point L391-1(line 391) no Hoare annotation was computed. [2018-10-26 22:52:24,347 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 385 414) the Hoare annotation is: true [2018-10-26 22:52:24,348 INFO L428 ceAbstractionStarter]: At program point L410(lines 385 414) the Hoare annotation is: true [2018-10-26 22:52:24,348 INFO L425 ceAbstractionStarter]: For program point L406(line 406) no Hoare annotation was computed. [2018-10-26 22:52:24,348 INFO L425 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2018-10-26 22:52:24,348 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-10-26 22:52:24,348 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-10-26 22:52:24,348 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-10-26 22:52:24,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:52:24,348 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 22:52:24,349 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:52:24,349 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:52:24,349 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 439 445) no Hoare annotation was computed. [2018-10-26 22:52:24,349 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 439 445) the Hoare annotation is: true [2018-10-26 22:52:24,349 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2018-10-26 22:52:24,349 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:52:24,349 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 375 382) no Hoare annotation was computed. [2018-10-26 22:52:24,349 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-10-26 22:52:24,349 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-10-26 22:52:24,350 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-10-26 22:52:24,350 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2018-10-26 22:52:24,350 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2018-10-26 22:52:24,350 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2018-10-26 22:52:24,350 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2018-10-26 22:52:24,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:52:24 BoogieIcfgContainer [2018-10-26 22:52:24,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:52:24,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:52:24,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:52:24,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:52:24,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:52:20" (3/4) ... [2018-10-26 22:52:24,364 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:52:24,370 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 22:52:24,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:52:24,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:52:24,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:52:24,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:52:24,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 22:52:24,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:52:24,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:52:24,395 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-10-26 22:52:24,396 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:52:24,397 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:52:24,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-10-26 22:52:24,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-10-26 22:52:24,472 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_40e318d5-365a-46d1-a9c5-62899325d619/bin-2019/utaipan/witness.graphml [2018-10-26 22:52:24,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:52:24,473 INFO L168 Benchmark]: Toolchain (without parser) took 5911.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 960.7 MB in the beginning and 1.2 GB in the end (delta: -242.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:52:24,474 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:52:24,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.45 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:24,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -237.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:24,474 INFO L168 Benchmark]: Boogie Preprocessor took 63.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:24,475 INFO L168 Benchmark]: RCFGBuilder took 1216.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:24,475 INFO L168 Benchmark]: TraceAbstraction took 4026.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.7 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:24,475 INFO L168 Benchmark]: Witness Printer took 112.18 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:24,480 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 349.45 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 140.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -237.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1216.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4026.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.7 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. * Witness Printer took 112.18 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 176]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 131 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 460 SDtfs, 208 SDslu, 477 SDs, 0 SdLazy, 296 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 28437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...