./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_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_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/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 28a54042f1f5566756557cd1279c2453038441ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:14:16,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:14:16,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:14:16,945 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:14:16,946 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:14:16,946 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:14:16,947 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:14:16,949 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:14:16,950 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:14:16,951 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:14:16,951 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:14:16,952 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:14:16,952 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:14:16,953 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:14:16,954 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:14:16,955 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:14:16,956 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:14:16,957 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:14:16,959 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:14:16,960 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:14:16,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:14:16,962 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:14:16,964 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:14:16,964 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:14:16,964 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:14:16,965 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:14:16,966 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:14:16,967 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:14:16,968 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:14:16,968 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:14:16,969 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:14:16,969 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:14:16,969 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:14:16,970 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:14:16,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:14:16,971 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:14:16,971 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:14:16,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:14:16,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:14:16,984 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:14:16,984 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:14:16,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:14:16,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:14:16,984 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:14:16,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:14:16,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:14:16,985 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:14:16,985 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:14:16,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:14:16,986 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:14:16,986 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:14:16,986 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:14:16,986 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:14:16,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:14:16,986 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:14:16,986 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:14:16,987 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:14:16,987 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:14:16,987 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:14:16,987 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:14:16,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:14:16,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:14:16,988 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:14:16,988 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:14:16,988 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:14:16,988 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:14:16,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:14:16,989 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_2cc1fd58-6334-4db9-87e3-87f53296fb54/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 -> 28a54042f1f5566756557cd1279c2453038441ec [2018-11-28 13:14:17,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:14:17,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:14:17,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:14:17,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:14:17,032 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:14:17,032 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-28 13:14:17,075 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/data/fd113d738/c61b571443894c6686a8410a8321b461/FLAGf14616902 [2018-11-28 13:14:17,461 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:14:17,462 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-28 13:14:17,471 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/data/fd113d738/c61b571443894c6686a8410a8321b461/FLAGf14616902 [2018-11-28 13:14:17,850 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/data/fd113d738/c61b571443894c6686a8410a8321b461 [2018-11-28 13:14:17,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:14:17,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:14:17,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:17,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:14:17,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:14:17,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:17" (1/1) ... [2018-11-28 13:14:17,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5662505e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:17, skipping insertion in model container [2018-11-28 13:14:17,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:17" (1/1) ... [2018-11-28 13:14:17,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:14:17,902 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:14:18,126 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:18,199 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:14:18,264 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:18,287 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:14:18,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18 WrapperNode [2018-11-28 13:14:18,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:18,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:18,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:14:18,289 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:14:18,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:18,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:14:18,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:14:18,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:14:18,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... [2018-11-28 13:14:18,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:14:18,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:14:18,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:14:18,343 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:14:18,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/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 13:14:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:14:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:14:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:14:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:14:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:14:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:14:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:14:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:14:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:14:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:14:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:14:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:14:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:14:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:14:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:14:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:14:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:14:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:14:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:14:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:14:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:14:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:14:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:14:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:14:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:14:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:14:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:14:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:14:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:14:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:14:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:14:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:14:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:14:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:14:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:14:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:14:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:14:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:14:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:14:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:14:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:14:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:14:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:14:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:14:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:14:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:14:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:14:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:14:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:14:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:14:18,855 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:14:18,855 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:14:18,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:18 BoogieIcfgContainer [2018-11-28 13:14:18,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:14:18,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:14:18,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:14:18,860 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:14:18,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:14:17" (1/3) ... [2018-11-28 13:14:18,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18fc95e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:18, skipping insertion in model container [2018-11-28 13:14:18,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:18" (2/3) ... [2018-11-28 13:14:18,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18fc95e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:18, skipping insertion in model container [2018-11-28 13:14:18,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:18" (3/3) ... [2018-11-28 13:14:18,863 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-28 13:14:18,872 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:14:18,880 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:14:18,893 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:14:18,921 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:14:18,922 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:14:18,922 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:14:18,922 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:14:18,922 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:14:18,922 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:14:18,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:14:18,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:14:18,923 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:14:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-28 13:14:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:14:18,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:18,950 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 13:14:18,952 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:18,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:18,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1064448231, now seen corresponding path program 1 times [2018-11-28 13:14:18,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:18,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:19,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:19,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:19,186 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 13:14:19,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:19,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:14:19,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:14:19,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:14:19,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:14:19,205 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-11-28 13:14:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:19,234 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2018-11-28 13:14:19,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:14:19,235 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:14:19,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:19,243 INFO L225 Difference]: With dead ends: 216 [2018-11-28 13:14:19,243 INFO L226 Difference]: Without dead ends: 108 [2018-11-28 13:14:19,246 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 13:14:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-28 13:14:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-28 13:14:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-28 13:14:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2018-11-28 13:14:19,284 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2018-11-28 13:14:19,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:19,284 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2018-11-28 13:14:19,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:14:19,285 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2018-11-28 13:14:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:14:19,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:19,287 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 13:14:19,287 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:19,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:19,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1875951637, now seen corresponding path program 1 times [2018-11-28 13:14:19,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:19,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:19,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:19,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:19,377 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 13:14:19,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:19,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:19,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:19,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:19,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:19,380 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2018-11-28 13:14:19,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:19,397 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2018-11-28 13:14:19,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:19,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:14:19,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:19,400 INFO L225 Difference]: With dead ends: 161 [2018-11-28 13:14:19,400 INFO L226 Difference]: Without dead ends: 99 [2018-11-28 13:14:19,401 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 13:14:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-28 13:14:19,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-28 13:14:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 13:14:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2018-11-28 13:14:19,411 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2018-11-28 13:14:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:19,412 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2018-11-28 13:14:19,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-11-28 13:14:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:14:19,414 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:19,414 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:19,414 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:19,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:19,415 INFO L82 PathProgramCache]: Analyzing trace with hash 539608629, now seen corresponding path program 1 times [2018-11-28 13:14:19,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:19,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:19,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:19,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:14:19,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:19,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:19,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:19,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:19,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:19,509 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 3 states. [2018-11-28 13:14:19,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:19,525 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2018-11-28 13:14:19,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:19,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 13:14:19,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:19,527 INFO L225 Difference]: With dead ends: 174 [2018-11-28 13:14:19,527 INFO L226 Difference]: Without dead ends: 99 [2018-11-28 13:14:19,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:14:19,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-28 13:14:19,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-28 13:14:19,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 13:14:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2018-11-28 13:14:19,536 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2018-11-28 13:14:19,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:19,537 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2018-11-28 13:14:19,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2018-11-28 13:14:19,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 13:14:19,538 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:19,538 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] [2018-11-28 13:14:19,538 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:19,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:19,539 INFO L82 PathProgramCache]: Analyzing trace with hash -956669222, now seen corresponding path program 1 times [2018-11-28 13:14:19,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:19,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:19,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:19,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:19,666 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 13:14:19,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:19,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:14:19,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:14:19,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:14:19,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:14:19,667 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 6 states. [2018-11-28 13:14:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:19,883 INFO L93 Difference]: Finished difference Result 242 states and 285 transitions. [2018-11-28 13:14:19,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:14:19,883 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-28 13:14:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:19,886 INFO L225 Difference]: With dead ends: 242 [2018-11-28 13:14:19,886 INFO L226 Difference]: Without dead ends: 167 [2018-11-28 13:14:19,887 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 13:14:19,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-11-28 13:14:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2018-11-28 13:14:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-28 13:14:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2018-11-28 13:14:19,904 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60 [2018-11-28 13:14:19,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:19,905 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2018-11-28 13:14:19,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:14:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2018-11-28 13:14:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 13:14:19,907 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:19,907 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:19,907 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:19,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:19,907 INFO L82 PathProgramCache]: Analyzing trace with hash 184291830, now seen corresponding path program 1 times [2018-11-28 13:14:19,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:19,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:19,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:19,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:20,017 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 13:14:20,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:20,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:14:20,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:14:20,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:14:20,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:14:20,019 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 7 states. [2018-11-28 13:14:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:20,315 INFO L93 Difference]: Finished difference Result 261 states and 308 transitions. [2018-11-28 13:14:20,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:14:20,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-28 13:14:20,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:20,316 INFO L225 Difference]: With dead ends: 261 [2018-11-28 13:14:20,317 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:14:20,318 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 13:14:20,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:14:20,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:14:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:14:20,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:14:20,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-28 13:14:20,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:20,319 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:14:20,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:14:20,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:14:20,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:14:20,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:14:20,827 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2018-11-28 13:14:20,827 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2018-11-28 13:14:20,827 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2018-11-28 13:14:20,827 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:14:20,827 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:14:20,827 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2018-11-28 13:14:20,827 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:14:20,827 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-28 13:14:20,827 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2018-11-28 13:14:20,827 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2018-11-28 13:14:20,828 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:14:20,828 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:14:20,828 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2018-11-28 13:14:20,828 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 13:14:20,828 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 13:14:20,828 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2018-11-28 13:14:20,828 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2018-11-28 13:14:20,828 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:14:20,828 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 13:14:20,828 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:14:20,828 INFO L448 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2018-11-28 13:14:20,829 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,829 INFO L444 ceAbstractionStarter]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,829 INFO L448 ceAbstractionStarter]: For program point L859(lines 858 905) no Hoare annotation was computed. [2018-11-28 13:14:20,829 INFO L444 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,829 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 901) no Hoare annotation was computed. [2018-11-28 13:14:20,829 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2018-11-28 13:14:20,829 INFO L444 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,829 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-11-28 13:14:20,829 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2018-11-28 13:14:20,829 INFO L444 ceAbstractionStarter]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,830 INFO L444 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,830 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-11-28 13:14:20,830 INFO L448 ceAbstractionStarter]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2018-11-28 13:14:20,830 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 864) no Hoare annotation was computed. [2018-11-28 13:14:20,830 INFO L444 ceAbstractionStarter]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,830 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2018-11-28 13:14:20,830 INFO L444 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,830 INFO L444 ceAbstractionStarter]: At program point L289-1(line 289) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,830 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 294) no Hoare annotation was computed. [2018-11-28 13:14:20,830 INFO L448 ceAbstractionStarter]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2018-11-28 13:14:20,830 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,831 INFO L448 ceAbstractionStarter]: For program point L285(line 285) no Hoare annotation was computed. [2018-11-28 13:14:20,831 INFO L444 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,831 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,831 INFO L444 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,831 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2018-11-28 13:14:20,831 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2018-11-28 13:14:20,831 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2018-11-28 13:14:20,831 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2018-11-28 13:14:20,831 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2018-11-28 13:14:20,831 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-28 13:14:20,831 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 467) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L451 ceAbstractionStarter]: At program point L461(line 461) the Hoare annotation is: true [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2018-11-28 13:14:20,832 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,833 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2018-11-28 13:14:20,833 INFO L448 ceAbstractionStarter]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2018-11-28 13:14:20,833 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:14:20,833 INFO L444 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:14:20,833 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:14:20,833 INFO L448 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2018-11-28 13:14:20,833 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:14:20,833 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2018-11-28 13:14:20,833 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2018-11-28 13:14:20,833 INFO L448 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2018-11-28 13:14:20,833 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2018-11-28 13:14:20,833 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2018-11-28 13:14:20,834 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-28 13:14:20,834 INFO L451 ceAbstractionStarter]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2018-11-28 13:14:20,834 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-28 13:14:20,834 INFO L451 ceAbstractionStarter]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2018-11-28 13:14:20,834 INFO L451 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: true [2018-11-28 13:14:20,834 INFO L448 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-11-28 13:14:20,834 INFO L451 ceAbstractionStarter]: At program point L229(lines 204 233) the Hoare annotation is: true [2018-11-28 13:14:20,834 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2018-11-28 13:14:20,834 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2018-11-28 13:14:20,834 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2018-11-28 13:14:20,834 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2018-11-28 13:14:20,834 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2018-11-28 13:14:20,835 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2018-11-28 13:14:20,835 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 13:14:20,835 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 13:14:20,835 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2018-11-28 13:14:20,835 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2018-11-28 13:14:20,835 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:14:20,835 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-11-28 13:14:20,835 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:14:20,835 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:14:20,835 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2018-11-28 13:14:20,835 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: true [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2018-11-28 13:14:20,836 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-28 13:14:20,837 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2018-11-28 13:14:20,837 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-28 13:14:20,837 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 13:14:20,837 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-28 13:14:20,837 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-11-28 13:14:20,837 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2018-11-28 13:14:20,837 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2018-11-28 13:14:20,837 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-28 13:14:20,837 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-28 13:14:20,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:14:20 BoogieIcfgContainer [2018-11-28 13:14:20,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:14:20,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:14:20,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:14:20,849 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:14:20,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:18" (3/4) ... [2018-11-28 13:14:20,852 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:14:20,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:14:20,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:14:20,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:14:20,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:14:20,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:14:20,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:14:20,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:14:20,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:14:20,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:14:20,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 13:14:20,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:14:20,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:14:20,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:14:20,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:14:20,867 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 13:14:20,867 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:14:20,867 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:14:20,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:14:20,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:14:20,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:14:20,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:14:20,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:14:20,920 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2cc1fd58-6334-4db9-87e3-87f53296fb54/bin-2019/uautomizer/witness.graphml [2018-11-28 13:14:20,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:14:20,921 INFO L168 Benchmark]: Toolchain (without parser) took 3068.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:14:20,922 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:14:20,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:20,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.09 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 13:14:20,923 INFO L168 Benchmark]: Boogie Preprocessor took 28.13 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:20,923 INFO L168 Benchmark]: RCFGBuilder took 512.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:20,923 INFO L168 Benchmark]: TraceAbstraction took 1992.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -97.5 MB). Peak memory consumption was 268.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:20,924 INFO L168 Benchmark]: Witness Printer took 71.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:20,925 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 434.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.09 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 28.13 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 512.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1992.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -97.5 MB). Peak memory consumption was 268.6 MB. Max. memory is 11.5 GB. * Witness Printer took 71.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: 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: 858]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 546 SDtfs, 242 SDslu, 609 SDs, 0 SdLazy, 222 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred 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, 231 PreInvPairs, 246 NumberOfFragments, 481 HoareAnnotationTreeSize, 231 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 707 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 27387 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...