./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:55:32,022 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:55:32,024 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:55:32,033 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:55:32,033 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:55:32,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:55:32,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:55:32,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:55:32,038 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:55:32,039 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:55:32,040 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:55:32,040 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:55:32,041 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:55:32,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:55:32,043 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:55:32,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:55:32,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:55:32,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:55:32,048 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:55:32,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:55:32,050 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:55:32,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:55:32,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:55:32,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:55:32,054 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:55:32,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:55:32,055 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:55:32,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:55:32,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:55:32,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:55:32,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:55:32,059 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:55:32,059 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:55:32,059 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:55:32,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:55:32,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:55:32,061 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:55:32,076 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:55:32,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:55:32,077 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:55:32,077 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:55:32,077 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:55:32,078 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:55:32,078 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:55:32,078 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:55:32,078 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:55:32,078 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:55:32,079 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:55:32,079 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:55:32,079 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:55:32,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:55:32,080 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:55:32,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:55:32,080 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:55:32,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:55:32,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:55:32,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:55:32,081 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:55:32,081 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:55:32,081 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:55:32,081 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:55:32,081 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:55:32,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:55:32,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:55:32,083 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:55:32,084 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:55:32,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:55:32,084 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:55:32,084 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:55:32,084 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:55:32,084 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:55:32,084 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:55:32,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:55:32,085 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:55:32,085 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_1638c860-a63e-49a7-8db2-218498db0802/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2018-11-18 10:55:32,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:55:32,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:55:32,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:55:32,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:55:32,127 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:55:32,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-18 10:55:32,181 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/data/05128ceea/0de0e512df804cc2962f0811fd966d52/FLAGb495d7c59 [2018-11-18 10:55:32,585 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:55:32,586 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-18 10:55:32,596 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/data/05128ceea/0de0e512df804cc2962f0811fd966d52/FLAGb495d7c59 [2018-11-18 10:55:32,607 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/data/05128ceea/0de0e512df804cc2962f0811fd966d52 [2018-11-18 10:55:32,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:55:32,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:55:32,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:55:32,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:55:32,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:55:32,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:32" (1/1) ... [2018-11-18 10:55:32,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1e80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:32, skipping insertion in model container [2018-11-18 10:55:32,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:32" (1/1) ... [2018-11-18 10:55:32,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:55:32,667 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:55:32,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:55:32,942 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:55:33,009 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:55:33,104 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:55:33,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33 WrapperNode [2018-11-18 10:55:33,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:55:33,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:55:33,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:55:33,106 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:55:33,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:55:33,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:55:33,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:55:33,139 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:55:33,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... [2018-11-18 10:55:33,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:55:33,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:55:33,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:55:33,173 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:55:33,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:55:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:55:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:55:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:55:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:55:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 10:55:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 10:55:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:55:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:55:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:55:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:55:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:55:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:55:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:55:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:55:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:55:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 10:55:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 10:55:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:55:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:55:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:55:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:55:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:55:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:55:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:55:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:55:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:55:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:55:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:55:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:55:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:55:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:55:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:55:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:55:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:55:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:55:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:55:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:55:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:55:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:55:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:55:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:55:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:55:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:55:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:55:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:55:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:55:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:55:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:55:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:55:33,946 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:55:33,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:33 BoogieIcfgContainer [2018-11-18 10:55:33,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:55:33,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:55:33,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:55:33,950 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:55:33,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:55:32" (1/3) ... [2018-11-18 10:55:33,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ddbbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:55:33, skipping insertion in model container [2018-11-18 10:55:33,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:33" (2/3) ... [2018-11-18 10:55:33,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ddbbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:55:33, skipping insertion in model container [2018-11-18 10:55:33,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:33" (3/3) ... [2018-11-18 10:55:33,954 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-18 10:55:33,962 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:55:33,971 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:55:33,981 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:55:34,005 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:55:34,005 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:55:34,006 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:55:34,006 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:55:34,006 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:55:34,006 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:55:34,006 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:55:34,006 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:55:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-11-18 10:55:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:55:34,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:34,030 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:34,032 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:34,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:34,037 INFO L82 PathProgramCache]: Analyzing trace with hash 112461570, now seen corresponding path program 1 times [2018-11-18 10:55:34,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:34,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:34,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:34,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:34,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:55:34,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:34,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:55:34,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:55:34,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:55:34,296 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2018-11-18 10:55:34,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:34,320 INFO L93 Difference]: Finished difference Result 218 states and 271 transitions. [2018-11-18 10:55:34,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:55:34,321 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 10:55:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:34,330 INFO L225 Difference]: With dead ends: 218 [2018-11-18 10:55:34,330 INFO L226 Difference]: Without dead ends: 111 [2018-11-18 10:55:34,333 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:55:34,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-18 10:55:34,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-18 10:55:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 10:55:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2018-11-18 10:55:34,369 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 51 [2018-11-18 10:55:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:34,370 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2018-11-18 10:55:34,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:55:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2018-11-18 10:55:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:55:34,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:34,375 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:34,375 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:34,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:34,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1246097796, now seen corresponding path program 1 times [2018-11-18 10:55:34,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:34,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:34,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:34,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:34,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:55:34,512 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:34,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:55:34,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:55:34,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:55:34,514 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 3 states. [2018-11-18 10:55:34,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:34,544 INFO L93 Difference]: Finished difference Result 165 states and 191 transitions. [2018-11-18 10:55:34,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:55:34,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 10:55:34,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:34,546 INFO L225 Difference]: With dead ends: 165 [2018-11-18 10:55:34,546 INFO L226 Difference]: Without dead ends: 101 [2018-11-18 10:55:34,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:55:34,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-18 10:55:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-18 10:55:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 10:55:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-11-18 10:55:34,556 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 53 [2018-11-18 10:55:34,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:34,556 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-11-18 10:55:34,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:55:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-11-18 10:55:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:55:34,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:34,558 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:34,559 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:34,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:34,559 INFO L82 PathProgramCache]: Analyzing trace with hash 208885491, now seen corresponding path program 1 times [2018-11-18 10:55:34,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:34,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:34,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:34,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:34,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:55:34,708 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:34,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:55:34,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:55:34,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:55:34,709 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 7 states. [2018-11-18 10:55:35,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:35,074 INFO L93 Difference]: Finished difference Result 174 states and 205 transitions. [2018-11-18 10:55:35,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:55:35,075 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 10:55:35,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:35,076 INFO L225 Difference]: With dead ends: 174 [2018-11-18 10:55:35,076 INFO L226 Difference]: Without dead ends: 101 [2018-11-18 10:55:35,076 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:55:35,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-18 10:55:35,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-18 10:55:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 10:55:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions. [2018-11-18 10:55:35,084 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 57 [2018-11-18 10:55:35,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:35,085 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 115 transitions. [2018-11-18 10:55:35,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:55:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2018-11-18 10:55:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 10:55:35,086 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:35,086 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:35,086 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:35,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:35,087 INFO L82 PathProgramCache]: Analyzing trace with hash -536475012, now seen corresponding path program 1 times [2018-11-18 10:55:35,087 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:35,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:35,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:35,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:35,088 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:35,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:35,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:55:35,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:35,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:55:35,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:55:35,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:55:35,346 INFO L87 Difference]: Start difference. First operand 101 states and 115 transitions. Second operand 6 states. [2018-11-18 10:55:35,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:35,798 INFO L93 Difference]: Finished difference Result 239 states and 284 transitions. [2018-11-18 10:55:35,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:55:35,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-18 10:55:35,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:35,801 INFO L225 Difference]: With dead ends: 239 [2018-11-18 10:55:35,801 INFO L226 Difference]: Without dead ends: 166 [2018-11-18 10:55:35,802 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:55:35,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-18 10:55:35,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 164. [2018-11-18 10:55:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-18 10:55:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 190 transitions. [2018-11-18 10:55:35,819 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 190 transitions. Word has length 65 [2018-11-18 10:55:35,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:35,819 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 190 transitions. [2018-11-18 10:55:35,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:55:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 190 transitions. [2018-11-18 10:55:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 10:55:35,821 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:35,821 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:35,822 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:35,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:35,822 INFO L82 PathProgramCache]: Analyzing trace with hash -550882216, now seen corresponding path program 1 times [2018-11-18 10:55:35,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:35,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:35,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:35,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:35,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:36,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:36,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:55:36,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:36,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:55:36,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:55:36,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:55:36,182 INFO L87 Difference]: Start difference. First operand 164 states and 190 transitions. Second operand 7 states. [2018-11-18 10:55:36,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:36,691 INFO L93 Difference]: Finished difference Result 254 states and 303 transitions. [2018-11-18 10:55:36,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:55:36,692 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-11-18 10:55:36,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:36,693 INFO L225 Difference]: With dead ends: 254 [2018-11-18 10:55:36,693 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:55:36,694 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:55:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:55:36,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:55:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:55:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:55:36,695 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-11-18 10:55:36,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:36,695 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:55:36,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:55:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:55:36,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:55:36,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:55:37,157 WARN L180 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-11-18 10:55:37,285 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-18 10:55:37,865 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 276 283) the Hoare annotation is: true [2018-11-18 10:55:37,865 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2018-11-18 10:55:37,865 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 276 283) no Hoare annotation was computed. [2018-11-18 10:55:37,865 INFO L421 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,865 INFO L421 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,865 INFO L425 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2018-11-18 10:55:37,865 INFO L421 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,865 INFO L425 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-11-18 10:55:37,865 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 264) no Hoare annotation was computed. [2018-11-18 10:55:37,865 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 243 267) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 243 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,866 INFO L421 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,866 INFO L425 ceAbstractionStarter]: For program point L262-1(lines 243 267) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 381 387) the Hoare annotation is: true [2018-11-18 10:55:37,866 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 235 241) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 235 241) the Hoare annotation is: true [2018-11-18 10:55:37,866 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 388 396) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 388 396) the Hoare annotation is: true [2018-11-18 10:55:37,866 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 388 396) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 138 201) 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))) [2018-11-18 10:55:37,866 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 188) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 138 201) no Hoare annotation was computed. [2018-11-18 10:55:37,866 INFO L421 ceAbstractionStarter]: At program point L184-2(lines 178 189) 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))) [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L149(lines 148 193) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 189) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L421 ceAbstractionStarter]: At program point L170(line 170) 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))) [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 174) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L421 ceAbstractionStarter]: At program point L160(line 160) 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))) [2018-11-18 10:55:37,867 INFO L421 ceAbstractionStarter]: At program point L191(lines 148 193) 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))) [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L150(lines 150 154) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L148-1(lines 148 193) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 138 201) no Hoare annotation was computed. [2018-11-18 10:55:37,867 INFO L421 ceAbstractionStarter]: At program point L194(lines 147 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:55:37,867 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:55:37,867 INFO L421 ceAbstractionStarter]: At program point L897-1(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:55:37,867 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 902) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point L895-1(lines 895 902) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 885 907) 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))) [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L421 ceAbstractionStarter]: At program point L892(line 892) 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))) [2018-11-18 10:55:37,868 INFO L421 ceAbstractionStarter]: At program point L891(line 891) 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))) [2018-11-18 10:55:37,868 INFO L421 ceAbstractionStarter]: At program point L891-1(line 891) 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))) [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 885 907) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 885 907) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 295 303) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 295 303) the Hoare annotation is: true [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 295 303) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L421 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 801) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point L794(lines 794 804) no Hoare annotation was computed. [2018-11-18 10:55:37,868 INFO L421 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 10:55:37,868 INFO L425 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point L790(lines 790 807) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point L790-1(lines 782 810) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L428 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 782 810) the Hoare annotation is: true [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 782 810) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 774 781) the Hoare annotation is: true [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 774 781) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 774 781) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 353) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L428 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: true [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point L349-2(lines 349 353) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point L347-1(line 347) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 340 358) the Hoare annotation is: true [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 340 358) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 340 358) no Hoare annotation was computed. [2018-11-18 10:55:37,869 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 813 842) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 813 842) the Hoare annotation is: true [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point L827(lines 827 831) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L428 ceAbstractionStarter]: At program point L827-1(lines 827 831) the Hoare annotation is: true [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point L823-1(lines 823 837) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L428 ceAbstractionStarter]: At program point L823-3(lines 823 837) the Hoare annotation is: true [2018-11-18 10:55:37,870 INFO L428 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L428 ceAbstractionStarter]: At program point L838(lines 813 842) the Hoare annotation is: true [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L421 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,870 INFO L421 ceAbstractionStarter]: At program point L222(lines 222 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,870 INFO L421 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point L215(lines 214 233) no Hoare annotation was computed. [2018-11-18 10:55:37,870 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 211 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 10:55:37,870 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 211 234) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 211 234) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 374 380) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 374 380) the Hoare annotation is: true [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 867 873) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 867 873) the Hoare annotation is: true [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 10:55:37,871 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 10:55:37,871 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-18 10:55:37,871 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 398 405) no Hoare annotation was computed. [2018-11-18 10:55:37,872 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2018-11-18 10:55:37,872 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 398 405) the Hoare annotation is: true [2018-11-18 10:55:37,872 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 398 405) no Hoare annotation was computed. [2018-11-18 10:55:37,872 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 874 884) 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))) [2018-11-18 10:55:37,872 INFO L421 ceAbstractionStarter]: At program point L879(line 879) 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))) [2018-11-18 10:55:37,872 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 874 884) no Hoare annotation was computed. [2018-11-18 10:55:37,872 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 874 884) no Hoare annotation was computed. [2018-11-18 10:55:37,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:55:37 BoogieIcfgContainer [2018-11-18 10:55:37,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:55:37,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:55:37,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:55:37,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:55:37,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:33" (3/4) ... [2018-11-18 10:55:37,886 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:55:37,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:55:37,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:55:37,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:55:37,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:55:37,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:55:37,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:55:37,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:55:37,894 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:55:37,894 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:55:37,894 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:55:37,900 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 10:55:37,900 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:55:37,901 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:55:37,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-18 10:55:37,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:55:37,958 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1638c860-a63e-49a7-8db2-218498db0802/bin-2019/utaipan/witness.graphml [2018-11-18 10:55:37,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:55:37,959 INFO L168 Benchmark]: Toolchain (without parser) took 5348.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -215.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:37,960 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. [2018-11-18 10:55:37,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:37,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.45 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. [2018-11-18 10:55:37,960 INFO L168 Benchmark]: Boogie Preprocessor took 32.75 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. [2018-11-18 10:55:37,960 INFO L168 Benchmark]: RCFGBuilder took 774.64 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: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:37,961 INFO L168 Benchmark]: TraceAbstraction took 3934.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.7 MB). Peak memory consumption was 288.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:37,961 INFO L168 Benchmark]: Witness Printer took 76.27 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:37,963 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 492.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.45 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. * Boogie Preprocessor took 32.75 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. * RCFGBuilder took 774.64 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: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3934.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.7 MB). Peak memory consumption was 288.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.27 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 402]: 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: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 124 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 556 SDtfs, 265 SDslu, 869 SDs, 0 SdLazy, 316 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred 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, 51 LocationsWithAnnotation, 225 PreInvPairs, 238 NumberOfFragments, 449 HoareAnnotationTreeSize, 225 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 736 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 31660 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...