./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b49fd66662c490ea81dc99d4f21b657b1bc3f920 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:26:53,027 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:26:53,028 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:26:53,036 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:26:53,036 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:26:53,037 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:26:53,038 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:26:53,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:26:53,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:26:53,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:26:53,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:26:53,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:26:53,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:26:53,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:26:53,043 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:26:53,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:26:53,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:26:53,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:26:53,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:26:53,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:26:53,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:26:53,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:26:53,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:26:53,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:26:53,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:26:53,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:26:53,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:26:53,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:26:53,054 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:26:53,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:26:53,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:26:53,055 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:26:53,055 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:26:53,055 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:26:53,056 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:26:53,056 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:26:53,056 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:26:53,066 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:26:53,066 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:26:53,067 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:26:53,067 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:26:53,068 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:26:53,068 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:26:53,068 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:26:53,068 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:26:53,068 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:26:53,068 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:26:53,069 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:26:53,069 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:26:53,069 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:26:53,069 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:26:53,069 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:26:53,069 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:26:53,069 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:26:53,070 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:26:53,070 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:26:53,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:26:53,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:26:53,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:26:53,070 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:26:53,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:26:53,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:26:53,071 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:26:53,071 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:26:53,071 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:26:53,071 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:26:53,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:26:53,071 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer 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 -> Automizer 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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-11-28 13:26:53,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:26:53,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:26:53,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:26:53,104 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:26:53,104 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:26:53,104 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:53,142 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/data/02dca30b4/97c6f72819a34b5f997846d01910726c/FLAG0042106f3 [2018-11-28 13:26:53,520 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:26:53,520 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:53,529 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/data/02dca30b4/97c6f72819a34b5f997846d01910726c/FLAG0042106f3 [2018-11-28 13:26:53,914 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/data/02dca30b4/97c6f72819a34b5f997846d01910726c [2018-11-28 13:26:53,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:26:53,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:26:53,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:53,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:26:53,919 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:26:53,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:53" (1/1) ... [2018-11-28 13:26:53,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f430db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:53, skipping insertion in model container [2018-11-28 13:26:53,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:53" (1/1) ... [2018-11-28 13:26:53,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:26:53,953 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:26:54,139 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:54,200 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:26:54,258 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:54,275 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:26:54,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54 WrapperNode [2018-11-28 13:26:54,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:54,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:54,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:26:54,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:26:54,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:54,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:26:54,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:26:54,300 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:26:54,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... [2018-11-28 13:26:54,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:26:54,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:26:54,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:26:54,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:26:54,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/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 [2018-11-28 13:26:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:26:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:26:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:26:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:26:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:26:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:26:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:26:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:26:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:26:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:26:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:26:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:26:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:26:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:26:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:26:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:26:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:26:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:26:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:26:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:26:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:26:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:26:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:26:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:26:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:26:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:26:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:26:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:26:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:26:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:26:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:26:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:26:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:26:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:26:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:26:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:26:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:26:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:26:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:26:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:26:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:26:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:26:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:26:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:26:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:26:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:26:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:26:54,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:26:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:26:54,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:26:54,737 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:26:54,738 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:26:54,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:54 BoogieIcfgContainer [2018-11-28 13:26:54,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:26:54,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:26:54,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:26:54,741 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:26:54,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:26:53" (1/3) ... [2018-11-28 13:26:54,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fad962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:54, skipping insertion in model container [2018-11-28 13:26:54,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:54" (2/3) ... [2018-11-28 13:26:54,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fad962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:54, skipping insertion in model container [2018-11-28 13:26:54,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:54" (3/3) ... [2018-11-28 13:26:54,744 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:54,751 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:26:54,758 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:26:54,770 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:26:54,787 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:26:54,788 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:26:54,788 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:26:54,788 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:26:54,788 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:26:54,788 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:26:54,788 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:26:54,788 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:26:54,789 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:26:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 13:26:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:26:54,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:54,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:54,812 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:54,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:54,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1500228557, now seen corresponding path program 1 times [2018-11-28 13:26:54,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:54,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:54,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:54,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:54,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:55,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:55,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:26:55,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:26:55,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:26:55,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:55,019 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 13:26:55,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:55,042 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2018-11-28 13:26:55,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:26:55,043 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:26:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:55,049 INFO L225 Difference]: With dead ends: 220 [2018-11-28 13:26:55,049 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 13:26:55,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:55,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 13:26:55,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 13:26:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 13:26:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-11-28 13:26:55,081 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2018-11-28 13:26:55,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:55,082 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-11-28 13:26:55,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:26:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-11-28 13:26:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:26:55,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:55,084 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:55,085 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:55,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:55,085 INFO L82 PathProgramCache]: Analyzing trace with hash -37970742, now seen corresponding path program 1 times [2018-11-28 13:26:55,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:55,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:55,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:55,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:55,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:55,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:26:55,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:26:55,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:26:55,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:26:55,171 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-11-28 13:26:55,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:55,190 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-11-28 13:26:55,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:26:55,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:26:55,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:55,192 INFO L225 Difference]: With dead ends: 163 [2018-11-28 13:26:55,192 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 13:26:55,193 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:26:55,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 13:26:55,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 13:26:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 13:26:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-28 13:26:55,200 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2018-11-28 13:26:55,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:55,200 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-28 13:26:55,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:26:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-28 13:26:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:26:55,201 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:55,201 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:55,202 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:55,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:55,202 INFO L82 PathProgramCache]: Analyzing trace with hash 83305199, now seen corresponding path program 1 times [2018-11-28 13:26:55,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:55,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:55,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:55,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:55,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:55,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:26:55,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:26:55,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:26:55,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:26:55,296 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-28 13:26:55,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:55,570 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2018-11-28 13:26:55,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:26:55,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 13:26:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:55,573 INFO L225 Difference]: With dead ends: 305 [2018-11-28 13:26:55,573 INFO L226 Difference]: Without dead ends: 228 [2018-11-28 13:26:55,574 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:26:55,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-28 13:26:55,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2018-11-28 13:26:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 13:26:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2018-11-28 13:26:55,599 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2018-11-28 13:26:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:55,599 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2018-11-28 13:26:55,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:26:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2018-11-28 13:26:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:26:55,601 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:55,601 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:55,601 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:55,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:55,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1498984626, now seen corresponding path program 1 times [2018-11-28 13:26:55,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:55,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:55,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:55,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:55,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:55,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:26:55,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:26:55,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:26:55,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:26:55,707 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 6 states. [2018-11-28 13:26:55,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:55,823 INFO L93 Difference]: Finished difference Result 597 states and 746 transitions. [2018-11-28 13:26:55,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:26:55,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 13:26:55,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:55,827 INFO L225 Difference]: With dead ends: 597 [2018-11-28 13:26:55,827 INFO L226 Difference]: Without dead ends: 401 [2018-11-28 13:26:55,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:26:55,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-28 13:26:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-11-28 13:26:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-28 13:26:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2018-11-28 13:26:55,862 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2018-11-28 13:26:55,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:55,862 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2018-11-28 13:26:55,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:26:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2018-11-28 13:26:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 13:26:55,868 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:55,868 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:55,868 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:55,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:55,868 INFO L82 PathProgramCache]: Analyzing trace with hash 449829746, now seen corresponding path program 1 times [2018-11-28 13:26:55,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:55,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:55,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:55,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:55,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:55,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:26:55,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:26:55,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:26:55,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:26:55,957 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 7 states. [2018-11-28 13:26:56,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:56,151 INFO L93 Difference]: Finished difference Result 661 states and 832 transitions. [2018-11-28 13:26:56,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:26:56,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 13:26:56,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:56,154 INFO L225 Difference]: With dead ends: 661 [2018-11-28 13:26:56,154 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:26:56,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:26:56,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:26:56,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:26:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:26:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:26:56,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 13:26:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:56,156 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:26:56,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:26:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:26:56,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:26:56,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:26:56,913 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2018-11-28 13:26:56,913 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2018-11-28 13:26:56,913 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2018-11-28 13:26:56,913 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:56,913 INFO L448 ceAbstractionStarter]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L444 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point L788(lines 788 796) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:56,914 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 801) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:26:56,914 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 13:26:56,914 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 676 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,915 INFO L444 ceAbstractionStarter]: At program point L731(lines 686 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,915 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 692) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L444 ceAbstractionStarter]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,915 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L444 ceAbstractionStarter]: At program point L722-1(lines 716 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L687(lines 686 733) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 729) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2018-11-28 13:26:56,915 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,916 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 13:26:56,916 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L448 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,916 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 13:26:56,916 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2018-11-28 13:26:56,916 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2018-11-28 13:26:56,917 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 13:26:56,918 INFO L444 ceAbstractionStarter]: At program point L759(lines 759 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:56,918 INFO L444 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point L752(lines 751 770) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L451 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2018-11-28 13:26:56,918 INFO L451 ceAbstractionStarter]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2018-11-28 13:26:56,918 INFO L451 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L451 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-11-28 13:26:56,918 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 13:26:56,919 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-28 13:26:56,919 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 275 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 205) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L451 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L444 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 13:26:56,920 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 202) no Hoare annotation was computed. [2018-11-28 13:26:56,920 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 13:26:56,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:26:56 BoogieIcfgContainer [2018-11-28 13:26:56,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:26:56,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:26:56,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:26:56,930 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:26:56,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:54" (3/4) ... [2018-11-28 13:26:56,934 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:26:56,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:26:56,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:26:56,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:26:56,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:26:56,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:26:56,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:26:56,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:26:56,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:26:56,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:26:56,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:26:56,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:26:56,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:26:56,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:26:56,950 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 13:26:56,950 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 13:26:56,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 13:26:56,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:26:56,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:26:56,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:26:56,975 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:26:56,975 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:26:57,003 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d87e942-1b34-4441-a876-ae324af89cd3/bin-2019/uautomizer/witness.graphml [2018-11-28 13:26:57,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:26:57,004 INFO L168 Benchmark]: Toolchain (without parser) took 3087.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:57,005 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:26:57,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:57,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.41 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. [2018-11-28 13:26:57,005 INFO L168 Benchmark]: Boogie Preprocessor took 22.10 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. [2018-11-28 13:26:57,005 INFO L168 Benchmark]: RCFGBuilder took 416.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:57,006 INFO L168 Benchmark]: TraceAbstraction took 2190.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.8 MB). Peak memory consumption was 283.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:57,006 INFO L168 Benchmark]: Witness Printer took 73.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:57,007 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.10 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 416.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2190.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.8 MB). Peak memory consumption was 283.1 MB. Max. memory is 11.5 GB. * Witness Printer took 73.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 685]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 606 SDtfs, 349 SDslu, 1175 SDs, 0 SdLazy, 389 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 436 PreInvPairs, 481 NumberOfFragments, 479 HoareAnnotationTreeSize, 436 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1804 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 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...