./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96a6a55f57d553b5130f5c53dc9262391d0aca1d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:51:59,390 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:51:59,391 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:51:59,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:51:59,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:51:59,399 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:51:59,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:51:59,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:51:59,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:51:59,403 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:51:59,403 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:51:59,404 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:51:59,404 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:51:59,405 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:51:59,406 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:51:59,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:51:59,407 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:51:59,408 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:51:59,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:51:59,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:51:59,411 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:51:59,412 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:51:59,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:51:59,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:51:59,414 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:51:59,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:51:59,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:51:59,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:51:59,416 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:51:59,417 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:51:59,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:51:59,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:51:59,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:51:59,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:51:59,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:51:59,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:51:59,419 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:51:59,429 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:51:59,429 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:51:59,430 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:51:59,430 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:51:59,430 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:51:59,430 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:51:59,430 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:51:59,431 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:51:59,431 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:51:59,431 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:51:59,431 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:51:59,431 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:51:59,431 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:51:59,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:51:59,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:51:59,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:51:59,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:51:59,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:51:59,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:51:59,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:51:59,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:51:59,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:51:59,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:51:59,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:51:59,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:51:59,433 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:51:59,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:51:59,433 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:51:59,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:51:59,434 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-12-02 13:51:59,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:51:59,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:51:59,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:51:59,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:51:59,462 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:51:59,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-12-02 13:51:59,498 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/data/48b41bd9f/7b9ec6fbe0d9410bbc2cebcfafa51f04/FLAG20730a78e [2018-12-02 13:51:59,892 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:51:59,892 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-12-02 13:51:59,898 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/data/48b41bd9f/7b9ec6fbe0d9410bbc2cebcfafa51f04/FLAG20730a78e [2018-12-02 13:52:00,242 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/data/48b41bd9f/7b9ec6fbe0d9410bbc2cebcfafa51f04 [2018-12-02 13:52:00,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:52:00,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:52:00,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:52:00,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:52:00,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:52:00,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00, skipping insertion in model container [2018-12-02 13:52:00,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:52:00,283 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:52:00,433 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:52:00,440 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:52:00,516 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:52:00,530 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:52:00,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00 WrapperNode [2018-12-02 13:52:00,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:52:00,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:52:00,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:52:00,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:52:00,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:52:00,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:52:00,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:52:00,550 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:52:00,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... [2018-12-02 13:52:00,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:52:00,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:52:00,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:52:00,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:52:00,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:52:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 13:52:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 13:52:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-02 13:52:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-02 13:52:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:52:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:52:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 13:52:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 13:52:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 13:52:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 13:52:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 13:52:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 13:52:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 13:52:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 13:52:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 13:52:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 13:52:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 13:52:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 13:52:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 13:52:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 13:52:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:52:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:52:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:52:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 13:52:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 13:52:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 13:52:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 13:52:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:52:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:52:00,871 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:52:00,871 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 13:52:00,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:00 BoogieIcfgContainer [2018-12-02 13:52:00,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:52:00,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:52:00,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:52:00,873 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:52:00,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:52:00" (1/3) ... [2018-12-02 13:52:00,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f78204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:52:00, skipping insertion in model container [2018-12-02 13:52:00,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:00" (2/3) ... [2018-12-02 13:52:00,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f78204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:52:00, skipping insertion in model container [2018-12-02 13:52:00,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:00" (3/3) ... [2018-12-02 13:52:00,876 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-12-02 13:52:00,881 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:52:00,888 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:52:00,899 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:52:00,917 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:52:00,917 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:52:00,917 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:52:00,917 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:52:00,917 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:52:00,917 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:52:00,917 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:52:00,917 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:52:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-02 13:52:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 13:52:00,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:52:00,933 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] [2018-12-02 13:52:00,934 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:52:00,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:52:00,938 INFO L82 PathProgramCache]: Analyzing trace with hash 665276304, now seen corresponding path program 1 times [2018-12-02 13:52:00,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:52:00,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:00,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:52:00,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:00,967 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:52:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:52:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:52:01,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:52:01,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 13:52:01,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:52:01,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 13:52:01,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 13:52:01,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:52:01,085 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-12-02 13:52:01,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:52:01,105 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2018-12-02 13:52:01,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:52:01,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 13:52:01,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:52:01,113 INFO L225 Difference]: With dead ends: 220 [2018-12-02 13:52:01,113 INFO L226 Difference]: Without dead ends: 110 [2018-12-02 13:52:01,115 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 [2018-12-02 13:52:01,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-02 13:52:01,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-02 13:52:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-02 13:52:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-12-02 13:52:01,144 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2018-12-02 13:52:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:52:01,144 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-12-02 13:52:01,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 13:52:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-12-02 13:52:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 13:52:01,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:52:01,146 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] [2018-12-02 13:52:01,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:52:01,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:52:01,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1692721646, now seen corresponding path program 1 times [2018-12-02 13:52:01,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:52:01,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:52:01,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:52:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:52:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:52:01,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:52:01,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:52:01,195 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:52:01,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:52:01,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:52:01,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:52:01,197 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-12-02 13:52:01,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:52:01,212 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-12-02 13:52:01,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:52:01,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 13:52:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:52:01,213 INFO L225 Difference]: With dead ends: 163 [2018-12-02 13:52:01,213 INFO L226 Difference]: Without dead ends: 101 [2018-12-02 13:52:01,214 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 [2018-12-02 13:52:01,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-02 13:52:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-02 13:52:01,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-02 13:52:01,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-12-02 13:52:01,221 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2018-12-02 13:52:01,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:52:01,221 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-12-02 13:52:01,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:52:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-12-02 13:52:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 13:52:01,222 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:52:01,222 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] [2018-12-02 13:52:01,222 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:52:01,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:52:01,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2118046908, now seen corresponding path program 1 times [2018-12-02 13:52:01,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:52:01,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:52:01,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,223 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:52:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:52:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:52:01,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:52:01,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:52:01,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:52:01,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:52:01,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:52:01,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:52:01,292 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-12-02 13:52:01,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:52:01,494 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2018-12-02 13:52:01,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:52:01,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 13:52:01,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:52:01,498 INFO L225 Difference]: With dead ends: 305 [2018-12-02 13:52:01,498 INFO L226 Difference]: Without dead ends: 228 [2018-12-02 13:52:01,499 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 [2018-12-02 13:52:01,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-12-02 13:52:01,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2018-12-02 13:52:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-12-02 13:52:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2018-12-02 13:52:01,523 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2018-12-02 13:52:01,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:52:01,524 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2018-12-02 13:52:01,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:52:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2018-12-02 13:52:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 13:52:01,525 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:52:01,526 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] [2018-12-02 13:52:01,526 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:52:01,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:52:01,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1464778539, now seen corresponding path program 1 times [2018-12-02 13:52:01,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:52:01,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:52:01,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:52:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:52:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:52:01,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:52:01,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 13:52:01,625 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:52:01,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 13:52:01,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 13:52:01,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 13:52:01,626 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 10 states. [2018-12-02 13:52:01,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:52:01,883 INFO L93 Difference]: Finished difference Result 760 states and 983 transitions. [2018-12-02 13:52:01,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 13:52:01,884 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-02 13:52:01,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:52:01,887 INFO L225 Difference]: With dead ends: 760 [2018-12-02 13:52:01,887 INFO L226 Difference]: Without dead ends: 564 [2018-12-02 13:52:01,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-02 13:52:01,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-02 13:52:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-12-02 13:52:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-12-02 13:52:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 688 transitions. [2018-12-02 13:52:01,918 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 688 transitions. Word has length 57 [2018-12-02 13:52:01,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:52:01,918 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 688 transitions. [2018-12-02 13:52:01,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 13:52:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 688 transitions. [2018-12-02 13:52:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 13:52:01,920 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:52:01,920 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] [2018-12-02 13:52:01,920 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:52:01,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:52:01,921 INFO L82 PathProgramCache]: Analyzing trace with hash 402361403, now seen corresponding path program 1 times [2018-12-02 13:52:01,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:52:01,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:52:01,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:01,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:52:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:52:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:52:01,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:52:01,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:52:01,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:52:01,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:52:01,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:52:01,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:52:01,972 INFO L87 Difference]: Start difference. First operand 552 states and 688 transitions. Second operand 4 states. [2018-12-02 13:52:02,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:52:02,055 INFO L93 Difference]: Finished difference Result 924 states and 1186 transitions. [2018-12-02 13:52:02,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 13:52:02,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-02 13:52:02,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:52:02,057 INFO L225 Difference]: With dead ends: 924 [2018-12-02 13:52:02,057 INFO L226 Difference]: Without dead ends: 396 [2018-12-02 13:52:02,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:52:02,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-12-02 13:52:02,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2018-12-02 13:52:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-12-02 13:52:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-12-02 13:52:02,077 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2018-12-02 13:52:02,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:52:02,077 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-12-02 13:52:02,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:52:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-12-02 13:52:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 13:52:02,078 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:52:02,079 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:52:02,079 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:52:02,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:52:02,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1020730053, now seen corresponding path program 1 times [2018-12-02 13:52:02,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:52:02,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:02,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:52:02,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:52:02,080 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:52:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:52:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 13:52:02,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:52:02,160 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:52:02,160 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2018-12-02 13:52:02,161 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [84], [93], [97], [101], [104], [109], [115], [117], [120], [122], [125], [138], [139], [140], [141], [180], [187], [190], [198], [204], [208], [209], [212], [213], [214], [215], [216], [218], [219], [220], [221], [222], [223], [224], [225], [226], [232], [242], [243], [246], [247], [248], [249], [260], [261], [262], [263], [264] [2018-12-02 13:52:02,184 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:52:02,184 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:52:02,586 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:52:02,587 INFO L272 AbstractInterpreter]: Visited 67 different actions 137 times. Merged at 13 different actions 19 times. Never widened. Performed 5095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-02 13:52:02,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:52:02,593 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:52:02,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:52:02,593 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:52:02,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:52:02,600 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:52:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:52:02,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:52:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:52:02,775 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:52:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:52:02,921 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:52:02,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-12-02 13:52:02,922 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:52:02,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 13:52:02,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 13:52:02,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-02 13:52:02,923 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 12 states. [2018-12-02 13:52:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:52:03,227 INFO L93 Difference]: Finished difference Result 507 states and 589 transitions. [2018-12-02 13:52:03,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:52:03,227 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-12-02 13:52:03,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:52:03,228 INFO L225 Difference]: With dead ends: 507 [2018-12-02 13:52:03,228 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 13:52:03,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 171 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-12-02 13:52:03,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 13:52:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 13:52:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 13:52:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:52:03,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-12-02 13:52:03,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:52:03,230 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:52:03,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 13:52:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:52:03,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:52:03,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 13:52:04,100 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2018-12-02 13:52:04,100 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2018-12-02 13:52:04,100 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2018-12-02 13:52:04,100 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2018-12-02 13:52:04,100 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-02 13:52:04,100 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-02 13:52:04,100 INFO L448 ceAbstractionStarter]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2018-12-02 13:52:04,100 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 13:52:04,100 INFO L444 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 560) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L444 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 565) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 686 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 702) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2018-12-02 13:52:04,101 INFO L444 ceAbstractionStarter]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,101 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,101 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L444 ceAbstractionStarter]: At program point L732-1(lines 726 739) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L697(lines 696 743) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 739) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L444 ceAbstractionStarter]: At program point L741(lines 696 743) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,102 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 908) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2018-12-02 13:52:04,102 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-12-02 13:52:04,102 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2018-12-02 13:52:04,103 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2018-12-02 13:52:04,103 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2018-12-02 13:52:04,104 INFO L451 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-12-02 13:52:04,104 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L451 ceAbstractionStarter]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2018-12-02 13:52:04,105 INFO L451 ceAbstractionStarter]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2018-12-02 13:52:04,105 INFO L451 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L451 ceAbstractionStarter]: At program point L779(lines 754 783) the Hoare annotation is: true [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-12-02 13:52:04,105 INFO L444 ceAbstractionStarter]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-12-02 13:52:04,105 INFO L444 ceAbstractionStarter]: At program point L523(lines 523 529) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L444 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point L516(lines 515 534) no Hoare annotation was computed. [2018-12-02 13:52:04,105 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-12-02 13:52:04,105 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-02 13:52:04,106 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2018-12-02 13:52:04,106 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2018-12-02 13:52:04,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:52:04 BoogieIcfgContainer [2018-12-02 13:52:04,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:52:04,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:52:04,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:52:04,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:52:04,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:00" (3/4) ... [2018-12-02 13:52:04,116 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:52:04,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 13:52:04,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 13:52:04,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 13:52:04,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 13:52:04,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 13:52:04,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 13:52:04,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 13:52:04,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 13:52:04,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 13:52:04,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 13:52:04,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 13:52:04,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 13:52:04,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 13:52:04,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 13:52:04,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 13:52:04,162 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd28b008-7881-4b4b-9abd-9e5b6776b1a8/bin-2019/utaipan/witness.graphml [2018-12-02 13:52:04,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:52:04,163 INFO L168 Benchmark]: Toolchain (without parser) took 3918.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -102.0 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:52:04,163 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:52:04,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:52:04,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:52:04,164 INFO L168 Benchmark]: Boogie Preprocessor took 19.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:52:04,164 INFO L168 Benchmark]: RCFGBuilder took 301.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:52:04,164 INFO L168 Benchmark]: TraceAbstraction took 3241.30 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -29.0 MB). Peak memory consumption was 287.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:52:04,164 INFO L168 Benchmark]: Witness Printer took 48.88 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:52:04,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 301.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3241.30 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -29.0 MB). Peak memory consumption was 287.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.88 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 714 SDtfs, 627 SDslu, 1688 SDs, 0 SdLazy, 928 SolverSat, 208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 193 SyntacticMatches, 9 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 584 PreInvPairs, 625 NumberOfFragments, 718 HoareAnnotationTreeSize, 584 FomulaSimplifications, 652 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3040 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 78004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 725 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...