./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22_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_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/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 82f74870a567ad4799d16040af8f13b048c16754 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 03:27:00,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:27:00,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:27:00,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:27:00,335 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:27:00,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:27:00,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:27:00,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:27:00,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:27:00,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:27:00,341 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:27:00,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:27:00,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:27:00,342 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:27:00,343 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:27:00,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:27:00,345 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:27:00,346 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:27:00,348 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:27:00,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:27:00,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:27:00,350 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:27:00,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:27:00,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:27:00,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:27:00,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:27:00,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:27:00,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:27:00,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:27:00,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:27:00,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:27:00,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:27:00,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:27:00,357 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:27:00,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:27:00,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:27:00,359 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:27:00,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:27:00,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:27:00,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:27:00,370 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:27:00,371 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:27:00,371 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:27:00,371 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:27:00,371 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:27:00,371 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:27:00,371 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:27:00,371 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:27:00,372 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:27:00,372 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:27:00,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:27:00,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:27:00,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:27:00,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:27:00,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:27:00,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:27:00,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:27:00,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:27:00,374 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:27:00,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:27:00,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:27:00,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:27:00,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:27:00,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:27:00,374 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:27:00,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:27:00,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:27:00,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:27:00,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:27:00,375 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:27:00,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:27:00,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:27:00,375 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:27:00,375 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_3719a740-692c-4f4a-93ef-3b7685e5aa89/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 -> 82f74870a567ad4799d16040af8f13b048c16754 [2018-12-03 03:27:00,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:27:00,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:27:00,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:27:00,411 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:27:00,412 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:27:00,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-03 03:27:00,455 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/data/4456d5f8a/35cd6e5186924f0e8c0bd088b0018577/FLAGec87b2659 [2018-12-03 03:27:00,782 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:27:00,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-03 03:27:00,789 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/data/4456d5f8a/35cd6e5186924f0e8c0bd088b0018577/FLAGec87b2659 [2018-12-03 03:27:00,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/data/4456d5f8a/35cd6e5186924f0e8c0bd088b0018577 [2018-12-03 03:27:00,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:27:00,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:27:00,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:27:00,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:27:00,802 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:27:00,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:00" (1/1) ... [2018-12-03 03:27:00,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:00, skipping insertion in model container [2018-12-03 03:27:00,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:00" (1/1) ... [2018-12-03 03:27:00,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:27:00,829 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:27:01,002 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:27:01,044 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:27:01,093 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:27:01,109 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:27:01,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01 WrapperNode [2018-12-03 03:27:01,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:27:01,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:27:01,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:27:01,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:27:01,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:27:01,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:27:01,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:27:01,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:27:01,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... [2018-12-03 03:27:01,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:27:01,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:27:01,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:27:01,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:27:01,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/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 [2018-12-03 03:27:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 03:27:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 03:27:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-03 03:27:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-03 03:27:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:27:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:27:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 03:27:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 03:27:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 03:27:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 03:27:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 03:27:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 03:27:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 03:27:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 03:27:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 03:27:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 03:27:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 03:27:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 03:27:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 03:27:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 03:27:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 03:27:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 03:27:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 03:27:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 03:27:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 03:27:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 03:27:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 03:27:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 03:27:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 03:27:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 03:27:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 03:27:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 03:27:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 03:27:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 03:27:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 03:27:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:27:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:27:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 03:27:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 03:27:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 03:27:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 03:27:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 03:27:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 03:27:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 03:27:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 03:27:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 03:27:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 03:27:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 03:27:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:27:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:27:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 03:27:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 03:27:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 03:27:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 03:27:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:27:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:27:01,505 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:27:01,505 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 03:27:01,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:01 BoogieIcfgContainer [2018-12-03 03:27:01,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:27:01,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:27:01,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:27:01,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:27:01,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:27:00" (1/3) ... [2018-12-03 03:27:01,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4618e935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:27:01, skipping insertion in model container [2018-12-03 03:27:01,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:01" (2/3) ... [2018-12-03 03:27:01,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4618e935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:27:01, skipping insertion in model container [2018-12-03 03:27:01,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:01" (3/3) ... [2018-12-03 03:27:01,510 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-03 03:27:01,516 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:27:01,521 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:27:01,531 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:27:01,551 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:27:01,551 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:27:01,551 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:27:01,551 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:27:01,551 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:27:01,551 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:27:01,551 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:27:01,551 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:27:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-03 03:27:01,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 03:27:01,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:27:01,569 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] [2018-12-03 03:27:01,571 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:27:01,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:27:01,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1217292559, now seen corresponding path program 1 times [2018-12-03 03:27:01,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:27:01,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:01,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:27:01,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:01,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:27:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:27:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:27:01,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:27:01,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 03:27:01,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:27:01,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 03:27:01,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 03:27:01,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:27:01,729 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-03 03:27:01,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:27:01,750 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-03 03:27:01,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 03:27:01,751 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 03:27:01,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:27:01,758 INFO L225 Difference]: With dead ends: 252 [2018-12-03 03:27:01,758 INFO L226 Difference]: Without dead ends: 126 [2018-12-03 03:27:01,760 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 [2018-12-03 03:27:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-03 03:27:01,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-03 03:27:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-03 03:27:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-03 03:27:01,789 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-03 03:27:01,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:27:01,789 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-03 03:27:01,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 03:27:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-03 03:27:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 03:27:01,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:27:01,791 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] [2018-12-03 03:27:01,791 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:27:01,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:27:01,791 INFO L82 PathProgramCache]: Analyzing trace with hash -402715447, now seen corresponding path program 1 times [2018-12-03 03:27:01,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:27:01,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:01,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:27:01,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:01,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:27:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:27:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:27:01,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:27:01,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:27:01,850 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:27:01,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:27:01,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:27:01,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:27:01,851 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-03 03:27:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:27:01,864 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2018-12-03 03:27:01,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:27:01,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 03:27:01,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:27:01,865 INFO L225 Difference]: With dead ends: 197 [2018-12-03 03:27:01,865 INFO L226 Difference]: Without dead ends: 117 [2018-12-03 03:27:01,866 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 [2018-12-03 03:27:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-03 03:27:01,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-03 03:27:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-03 03:27:01,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-03 03:27:01,873 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-03 03:27:01,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:27:01,874 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-03 03:27:01,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:27:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-03 03:27:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 03:27:01,875 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:27:01,875 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] [2018-12-03 03:27:01,875 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:27:01,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:27:01,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1982938722, now seen corresponding path program 1 times [2018-12-03 03:27:01,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:27:01,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:01,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:27:01,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:01,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:27:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:27:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:27:01,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:27:01,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 03:27:01,950 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:27:01,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 03:27:01,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 03:27:01,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:27:01,951 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-03 03:27:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:27:02,102 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2018-12-03 03:27:02,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 03:27:02,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-03 03:27:02,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:27:02,104 INFO L225 Difference]: With dead ends: 210 [2018-12-03 03:27:02,104 INFO L226 Difference]: Without dead ends: 117 [2018-12-03 03:27:02,104 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 [2018-12-03 03:27:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-03 03:27:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-03 03:27:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-03 03:27:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2018-12-03 03:27:02,112 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2018-12-03 03:27:02,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:27:02,112 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2018-12-03 03:27:02,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 03:27:02,113 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2018-12-03 03:27:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 03:27:02,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:27:02,114 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, 1] [2018-12-03 03:27:02,114 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:27:02,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:27:02,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1649924382, now seen corresponding path program 1 times [2018-12-03 03:27:02,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:27:02,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:02,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:27:02,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:02,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:27:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:27:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:27:02,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:27:02,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 03:27:02,192 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:27:02,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 03:27:02,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 03:27:02,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 03:27:02,193 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 10 states. [2018-12-03 03:27:02,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:27:02,489 INFO L93 Difference]: Finished difference Result 376 states and 457 transitions. [2018-12-03 03:27:02,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 03:27:02,490 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-12-03 03:27:02,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:27:02,493 INFO L225 Difference]: With dead ends: 376 [2018-12-03 03:27:02,493 INFO L226 Difference]: Without dead ends: 283 [2018-12-03 03:27:02,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-03 03:27:02,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-12-03 03:27:02,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2018-12-03 03:27:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-03 03:27:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 330 transitions. [2018-12-03 03:27:02,524 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 330 transitions. Word has length 65 [2018-12-03 03:27:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:27:02,524 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 330 transitions. [2018-12-03 03:27:02,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 03:27:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 330 transitions. [2018-12-03 03:27:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-03 03:27:02,526 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:27:02,526 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:27:02,526 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:27:02,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:27:02,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1776066596, now seen corresponding path program 1 times [2018-12-03 03:27:02,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:27:02,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:02,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:27:02,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:02,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:27:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:27:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:27:02,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:27:02,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:27:02,562 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:27:02,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:27:02,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:27:02,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:27:02,563 INFO L87 Difference]: Start difference. First operand 279 states and 330 transitions. Second operand 3 states. [2018-12-03 03:27:02,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:27:02,576 INFO L93 Difference]: Finished difference Result 431 states and 520 transitions. [2018-12-03 03:27:02,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:27:02,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-12-03 03:27:02,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:27:02,578 INFO L225 Difference]: With dead ends: 431 [2018-12-03 03:27:02,578 INFO L226 Difference]: Without dead ends: 176 [2018-12-03 03:27:02,579 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:27:02,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-12-03 03:27:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-12-03 03:27:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-12-03 03:27:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2018-12-03 03:27:02,587 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 69 [2018-12-03 03:27:02,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:27:02,587 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2018-12-03 03:27:02,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:27:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2018-12-03 03:27:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-03 03:27:02,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:27:02,589 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, 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] [2018-12-03 03:27:02,589 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:27:02,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:27:02,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1350114779, now seen corresponding path program 1 times [2018-12-03 03:27:02,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:27:02,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:02,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:27:02,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:27:02,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:27:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:27:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 03:27:02,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:27:02,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:27:02,685 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-12-03 03:27:02,687 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [50], [59], [74], [77], [78], [79], [88], [92], [96], [99], [104], [110], [112], [118], [121], [133], [134], [135], [136], [175], [179], [185], [195], [203], [207], [208], [211], [226], [229], [230], [231], [232], [233], [234], [236], [237], [238], [239], [240], [241], [242], [243], [244], [248], [258], [259], [260], [261], [266], [267], [276], [277], [278], [279], [280], [281], [282], [290], [291] [2018-12-03 03:27:02,711 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:27:02,711 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:27:03,033 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 03:27:03,034 INFO L272 AbstractInterpreter]: Visited 72 different actions 80 times. Merged at 5 different actions 5 times. Never widened. Performed 2850 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2850 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-12-03 03:27:03,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:27:03,044 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 03:27:03,257 INFO L227 lantSequenceWeakener]: Weakened 106 states. On average, predicates are now at 97.6% of their original sizes. [2018-12-03 03:27:03,258 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 03:27:03,320 INFO L418 sIntCurrentIteration]: We unified 109 AI predicates to 109 [2018-12-03 03:27:03,321 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 03:27:03,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:27:03,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-12-03 03:27:03,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:27:03,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 03:27:03,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 03:27:03,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-12-03 03:27:03,323 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 12 states. [2018-12-03 03:27:03,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:27:03,906 INFO L93 Difference]: Finished difference Result 225 states and 250 transitions. [2018-12-03 03:27:03,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 03:27:03,906 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2018-12-03 03:27:03,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:27:03,907 INFO L225 Difference]: With dead ends: 225 [2018-12-03 03:27:03,907 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 03:27:03,908 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-03 03:27:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 03:27:03,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 03:27:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 03:27:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 03:27:03,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2018-12-03 03:27:03,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:27:03,909 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 03:27:03,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 03:27:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 03:27:03,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 03:27:03,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 03:27:04,592 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2018-12-03 03:27:04,592 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2018-12-03 03:27:04,592 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-03 03:27:04,592 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2018-12-03 03:27:04,592 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-03 03:27:04,592 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-03 03:27:04,593 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2018-12-03 03:27:04,593 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2018-12-03 03:27:04,593 INFO L444 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,593 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 558) no Hoare annotation was computed. [2018-12-03 03:27:04,593 INFO L444 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,593 INFO L448 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2018-12-03 03:27:04,593 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 561) no Hoare annotation was computed. [2018-12-03 03:27:04,594 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2018-12-03 03:27:04,594 INFO L451 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2018-12-03 03:27:04,594 INFO L444 ceAbstractionStarter]: At program point L513(line 513) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,594 INFO L444 ceAbstractionStarter]: At program point L513-1(line 513) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,594 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,594 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2018-12-03 03:27:04,594 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2018-12-03 03:27:04,594 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,594 INFO L444 ceAbstractionStarter]: At program point L519-1(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,594 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L444 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 294 302) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L451 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2018-12-03 03:27:04,595 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2018-12-03 03:27:04,596 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L451 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2018-12-03 03:27:04,596 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 283 293) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2018-12-03 03:27:04,596 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2018-12-03 03:27:04,597 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,597 INFO L444 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,597 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 258) no Hoare annotation was computed. [2018-12-03 03:27:04,597 INFO L444 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,597 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-12-03 03:27:04,597 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2018-12-03 03:27:04,597 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 263) no Hoare annotation was computed. [2018-12-03 03:27:04,597 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,597 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,597 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2018-12-03 03:27:04,597 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2018-12-03 03:27:04,598 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2018-12-03 03:27:04,598 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 368 433) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,598 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2018-12-03 03:27:04,598 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2018-12-03 03:27:04,598 INFO L444 ceAbstractionStarter]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:27:04,598 INFO L448 ceAbstractionStarter]: For program point L416(lines 416 420) no Hoare annotation was computed. [2018-12-03 03:27:04,598 INFO L444 ceAbstractionStarter]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-03 03:27:04,598 INFO L448 ceAbstractionStarter]: For program point L379(lines 378 425) no Hoare annotation was computed. [2018-12-03 03:27:04,598 INFO L444 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-03 03:27:04,598 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 421) no Hoare annotation was computed. [2018-12-03 03:27:04,598 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 404) no Hoare annotation was computed. [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2018-12-03 03:27:04,599 INFO L444 ceAbstractionStarter]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-03 03:27:04,599 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-03 03:27:04,599 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-03 03:27:04,599 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:27:04,600 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-03 03:27:04,600 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-12-03 03:27:04,600 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L451 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2018-12-03 03:27:04,600 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L448 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2018-12-03 03:27:04,600 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2018-12-03 03:27:04,600 INFO L451 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2018-12-03 03:27:04,600 INFO L451 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2018-12-03 03:27:04,601 INFO L448 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2018-12-03 03:27:04,601 INFO L451 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2018-12-03 03:27:04,601 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-03 03:27:04,601 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2018-12-03 03:27:04,601 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-03 03:27:04,601 INFO L448 ceAbstractionStarter]: For program point L188(lines 187 206) no Hoare annotation was computed. [2018-12-03 03:27:04,601 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-03 03:27:04,601 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2018-12-03 03:27:04,601 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2018-12-03 03:27:04,601 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-03 03:27:04,601 INFO L444 ceAbstractionStarter]: At program point L195(lines 195 201) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-03 03:27:04,602 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-03 03:27:04,602 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2018-12-03 03:27:04,602 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:27:04,602 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 03:27:04,602 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:27:04,602 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 2))))) [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 358 365) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 531 538) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2018-12-03 03:27:04,603 INFO L444 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,603 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2018-12-03 03:27:04,604 INFO L448 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2018-12-03 03:27:04,604 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 237) no Hoare annotation was computed. [2018-12-03 03:27:04,604 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,604 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,604 INFO L448 ceAbstractionStarter]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2018-12-03 03:27:04,604 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,604 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-03 03:27:04,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:27:04 BoogieIcfgContainer [2018-12-03 03:27:04,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:27:04,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:27:04,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:27:04,614 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:27:04,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:01" (3/4) ... [2018-12-03 03:27:04,617 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 03:27:04,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 03:27:04,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 03:27:04,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-03 03:27:04,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 03:27:04,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 03:27:04,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:27:04,628 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-03 03:27:04,629 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 03:27:04,629 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 03:27:04,629 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 03:27:04,629 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 03:27:04,630 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 03:27:04,645 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 2 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((waterLevel == 1 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-03 03:27:04,645 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-03 03:27:04,669 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3719a740-692c-4f4a-93ef-3b7685e5aa89/bin-2019/utaipan/witness.graphml [2018-12-03 03:27:04,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:27:04,669 INFO L168 Benchmark]: Toolchain (without parser) took 3870.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -126.9 MB). Peak memory consumption was 191.9 MB. Max. memory is 11.5 GB. [2018-12-03 03:27:04,670 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:27:04,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-03 03:27:04,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.89 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. [2018-12-03 03:27:04,671 INFO L168 Benchmark]: Boogie Preprocessor took 23.60 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. [2018-12-03 03:27:04,671 INFO L168 Benchmark]: RCFGBuilder took 349.95 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:27:04,671 INFO L168 Benchmark]: TraceAbstraction took 3106.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.6 MB). Peak memory consumption was 379.4 MB. Max. memory is 11.5 GB. [2018-12-03 03:27:04,671 INFO L168 Benchmark]: Witness Printer took 55.32 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-12-03 03:27:04,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.89 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 23.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 349.95 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3106.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.6 MB). Peak memory consumption was 379.4 MB. Max. memory is 11.5 GB. * Witness Printer took 55.32 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 377]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((waterLevel == 1 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 779 SDtfs, 547 SDslu, 1834 SDs, 0 SdLazy, 607 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 158 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.996988987025146 AbsIntWeakeningRatio, 0.8990825688073395 AbsIntAvgWeakeningVarsNumRemoved, 98.35779816513761 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 408 PreInvPairs, 423 NumberOfFragments, 998 HoareAnnotationTreeSize, 408 FomulaSimplifications, 166 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 726 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 56381 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 33/37 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...