./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/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 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:13:19,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:13:19,844 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:13:19,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:13:19,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:13:19,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:13:19,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:13:19,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:13:19,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:13:19,857 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:13:19,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:13:19,858 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:13:19,859 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:13:19,859 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:13:19,860 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:13:19,860 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:13:19,861 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:13:19,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:13:19,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:13:19,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:13:19,868 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:13:19,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:13:19,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:13:19,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:13:19,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:13:19,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:13:19,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:13:19,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:13:19,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:13:19,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:13:19,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:13:19,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:13:19,874 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:13:19,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:13:19,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:13:19,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:13:19,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:13:19,885 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:13:19,885 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:13:19,886 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:13:19,886 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:13:19,886 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:13:19,886 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:13:19,886 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:13:19,887 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:13:19,887 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:13:19,887 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:13:19,887 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:13:19,887 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:13:19,887 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:13:19,887 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:13:19,888 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:13:19,889 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:13:19,889 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:13:19,889 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:13:19,889 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:13:19,889 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:13:19,889 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:13:19,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:13:19,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:13:19,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:13:19,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:13:19,890 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:13:19,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:13:19,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:13:19,890 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:13:19,890 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_676d8b85-0871-483b-aa9a-5eb09f455aff/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 -> 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 [2018-11-18 13:13:19,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:13:19,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:13:19,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:13:19,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:13:19,924 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:13:19,924 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-11-18 13:13:19,966 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/data/5fb61cdeb/b344df3b2c18487a91fbb01e29860066/FLAG7493a3537 [2018-11-18 13:13:20,336 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:13:20,337 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-11-18 13:13:20,350 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/data/5fb61cdeb/b344df3b2c18487a91fbb01e29860066/FLAG7493a3537 [2018-11-18 13:13:20,730 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/data/5fb61cdeb/b344df3b2c18487a91fbb01e29860066 [2018-11-18 13:13:20,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:13:20,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:13:20,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:20,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:13:20,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:13:20,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:20" (1/1) ... [2018-11-18 13:13:20,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:20, skipping insertion in model container [2018-11-18 13:13:20,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:20" (1/1) ... [2018-11-18 13:13:20,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:13:20,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:13:21,016 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:21,024 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:13:21,089 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:21,157 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:13:21,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21 WrapperNode [2018-11-18 13:13:21,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:21,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:21,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:13:21,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:13:21,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:21,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:13:21,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:13:21,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:13:21,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... [2018-11-18 13:13:21,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:13:21,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:13:21,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:13:21,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:13:21,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:13:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:13:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:13:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:13:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:13:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:13:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:13:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:13:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:13:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:13:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:13:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:13:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:13:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:13:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:13:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:13:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:13:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:13:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:13:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:13:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:13:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:13:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:13:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:13:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:13:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:13:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:13:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:13:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:13:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:13:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:13:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:13:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:13:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:13:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:13:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:13:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:13:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:13:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:13:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:13:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:13:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:13:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:13:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:13:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:13:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:13:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:13:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:13:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:13:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:13:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:13:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:13:21,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:13:21,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:21 BoogieIcfgContainer [2018-11-18 13:13:21,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:13:21,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:13:21,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:13:21,792 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:13:21,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:13:20" (1/3) ... [2018-11-18 13:13:21,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353e0e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:13:21, skipping insertion in model container [2018-11-18 13:13:21,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:21" (2/3) ... [2018-11-18 13:13:21,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353e0e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:13:21, skipping insertion in model container [2018-11-18 13:13:21,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:21" (3/3) ... [2018-11-18 13:13:21,794 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-11-18 13:13:21,802 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:13:21,809 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:13:21,822 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:13:21,851 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:13:21,852 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:13:21,852 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:13:21,852 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:13:21,852 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:13:21,852 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:13:21,852 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:13:21,852 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:13:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-11-18 13:13:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:13:21,874 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:21,875 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:21,877 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:21,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:21,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1242674540, now seen corresponding path program 1 times [2018-11-18 13:13:21,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:21,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:21,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:21,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:21,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:22,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:22,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:13:22,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:22,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:13:22,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:13:22,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:13:22,148 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2018-11-18 13:13:22,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:22,173 INFO L93 Difference]: Finished difference Result 230 states and 287 transitions. [2018-11-18 13:13:22,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:13:22,175 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 13:13:22,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:22,183 INFO L225 Difference]: With dead ends: 230 [2018-11-18 13:13:22,184 INFO L226 Difference]: Without dead ends: 117 [2018-11-18 13:13:22,186 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:13:22,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-18 13:13:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-18 13:13:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-18 13:13:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 137 transitions. [2018-11-18 13:13:22,231 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 137 transitions. Word has length 59 [2018-11-18 13:13:22,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:22,231 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 137 transitions. [2018-11-18 13:13:22,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:13:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 137 transitions. [2018-11-18 13:13:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:13:22,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:22,235 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:22,236 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:22,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:22,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1369007826, now seen corresponding path program 1 times [2018-11-18 13:13:22,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:22,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:22,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:22,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:22,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:22,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:22,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:13:22,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:22,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:13:22,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:13:22,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:13:22,323 INFO L87 Difference]: Start difference. First operand 117 states and 137 transitions. Second operand 3 states. [2018-11-18 13:13:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:22,358 INFO L93 Difference]: Finished difference Result 177 states and 207 transitions. [2018-11-18 13:13:22,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:13:22,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 13:13:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:22,360 INFO L225 Difference]: With dead ends: 177 [2018-11-18 13:13:22,360 INFO L226 Difference]: Without dead ends: 107 [2018-11-18 13:13:22,361 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:13:22,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-18 13:13:22,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-18 13:13:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-18 13:13:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2018-11-18 13:13:22,372 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 61 [2018-11-18 13:13:22,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:22,372 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2018-11-18 13:13:22,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:13:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2018-11-18 13:13:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:13:22,374 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:22,375 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:22,375 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:22,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:22,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1819571706, now seen corresponding path program 1 times [2018-11-18 13:13:22,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:22,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:22,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:22,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:22,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:22,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:22,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:13:22,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:22,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:13:22,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:13:22,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:13:22,574 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 7 states. [2018-11-18 13:13:22,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:22,980 INFO L93 Difference]: Finished difference Result 186 states and 221 transitions. [2018-11-18 13:13:22,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:13:22,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 13:13:22,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:22,985 INFO L225 Difference]: With dead ends: 186 [2018-11-18 13:13:22,985 INFO L226 Difference]: Without dead ends: 107 [2018-11-18 13:13:22,986 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:13:22,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-18 13:13:22,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-18 13:13:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-18 13:13:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2018-11-18 13:13:22,996 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 65 [2018-11-18 13:13:22,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:22,997 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2018-11-18 13:13:22,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:13:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2018-11-18 13:13:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:13:22,999 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:22,999 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:22,999 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:22,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:23,000 INFO L82 PathProgramCache]: Analyzing trace with hash -839517759, now seen corresponding path program 1 times [2018-11-18 13:13:23,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:23,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:23,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:23,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:23,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:23,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:23,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:13:23,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:23,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:13:23,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:13:23,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:13:23,184 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand 5 states. [2018-11-18 13:13:24,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:24,046 INFO L93 Difference]: Finished difference Result 278 states and 337 transitions. [2018-11-18 13:13:24,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:13:24,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2018-11-18 13:13:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:24,049 INFO L225 Difference]: With dead ends: 278 [2018-11-18 13:13:24,052 INFO L226 Difference]: Without dead ends: 199 [2018-11-18 13:13:24,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:13:24,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-11-18 13:13:24,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 180. [2018-11-18 13:13:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-11-18 13:13:24,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 209 transitions. [2018-11-18 13:13:24,073 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 209 transitions. Word has length 73 [2018-11-18 13:13:24,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:24,074 INFO L480 AbstractCegarLoop]: Abstraction has 180 states and 209 transitions. [2018-11-18 13:13:24,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:13:24,074 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 209 transitions. [2018-11-18 13:13:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 13:13:24,075 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:24,075 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:24,076 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:24,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:24,076 INFO L82 PathProgramCache]: Analyzing trace with hash 536045909, now seen corresponding path program 1 times [2018-11-18 13:13:24,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:24,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:24,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:24,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:24,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:24,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:24,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:24,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:13:24,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:24,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:13:24,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:13:24,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:13:24,226 INFO L87 Difference]: Start difference. First operand 180 states and 209 transitions. Second operand 8 states. [2018-11-18 13:13:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:24,272 INFO L93 Difference]: Finished difference Result 339 states and 405 transitions. [2018-11-18 13:13:24,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:13:24,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2018-11-18 13:13:24,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:24,275 INFO L225 Difference]: With dead ends: 339 [2018-11-18 13:13:24,275 INFO L226 Difference]: Without dead ends: 187 [2018-11-18 13:13:24,276 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:13:24,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-11-18 13:13:24,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2018-11-18 13:13:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-11-18 13:13:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 213 transitions. [2018-11-18 13:13:24,294 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 213 transitions. Word has length 87 [2018-11-18 13:13:24,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:24,294 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 213 transitions. [2018-11-18 13:13:24,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:13:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 213 transitions. [2018-11-18 13:13:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 13:13:24,295 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:24,296 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:24,296 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:24,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:24,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1045518999, now seen corresponding path program 1 times [2018-11-18 13:13:24,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:24,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:24,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:24,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:24,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:24,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:13:24,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:24,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:13:24,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:24,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:13:24,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:13:24,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:13:24,480 INFO L87 Difference]: Start difference. First operand 184 states and 213 transitions. Second operand 7 states. [2018-11-18 13:13:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:25,024 INFO L93 Difference]: Finished difference Result 358 states and 427 transitions. [2018-11-18 13:13:25,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 13:13:25,025 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-18 13:13:25,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:25,026 INFO L225 Difference]: With dead ends: 358 [2018-11-18 13:13:25,026 INFO L226 Difference]: Without dead ends: 202 [2018-11-18 13:13:25,027 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:13:25,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-11-18 13:13:25,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 183. [2018-11-18 13:13:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-11-18 13:13:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 210 transitions. [2018-11-18 13:13:25,040 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 210 transitions. Word has length 87 [2018-11-18 13:13:25,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:25,040 INFO L480 AbstractCegarLoop]: Abstraction has 183 states and 210 transitions. [2018-11-18 13:13:25,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:13:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 210 transitions. [2018-11-18 13:13:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 13:13:25,041 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:25,041 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:25,042 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:25,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:25,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1311695194, now seen corresponding path program 1 times [2018-11-18 13:13:25,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:25,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:25,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:25,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:25,043 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:25,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:25,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:25,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:13:25,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:25,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:13:25,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:13:25,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:13:25,137 INFO L87 Difference]: Start difference. First operand 183 states and 210 transitions. Second operand 6 states. [2018-11-18 13:13:25,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:25,165 INFO L93 Difference]: Finished difference Result 343 states and 401 transitions. [2018-11-18 13:13:25,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:13:25,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-18 13:13:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:25,167 INFO L225 Difference]: With dead ends: 343 [2018-11-18 13:13:25,167 INFO L226 Difference]: Without dead ends: 188 [2018-11-18 13:13:25,167 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:13:25,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-11-18 13:13:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-11-18 13:13:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-11-18 13:13:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 215 transitions. [2018-11-18 13:13:25,178 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 215 transitions. Word has length 88 [2018-11-18 13:13:25,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:25,178 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 215 transitions. [2018-11-18 13:13:25,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:13:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 215 transitions. [2018-11-18 13:13:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 13:13:25,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:25,180 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:25,180 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:25,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:25,180 INFO L82 PathProgramCache]: Analyzing trace with hash -2109168727, now seen corresponding path program 1 times [2018-11-18 13:13:25,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:25,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:25,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:25,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:25,181 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:25,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:25,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:13:25,333 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:25,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:13:25,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:13:25,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:13:25,335 INFO L87 Difference]: Start difference. First operand 188 states and 215 transitions. Second operand 4 states. [2018-11-18 13:13:25,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:25,584 INFO L93 Difference]: Finished difference Result 541 states and 650 transitions. [2018-11-18 13:13:25,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:13:25,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-18 13:13:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:25,587 INFO L225 Difference]: With dead ends: 541 [2018-11-18 13:13:25,587 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 13:13:25,588 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:13:25,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 13:13:25,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 372. [2018-11-18 13:13:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-18 13:13:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 436 transitions. [2018-11-18 13:13:25,621 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 436 transitions. Word has length 88 [2018-11-18 13:13:25,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:25,621 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 436 transitions. [2018-11-18 13:13:25,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:13:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 436 transitions. [2018-11-18 13:13:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 13:13:25,622 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:25,623 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:25,623 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:25,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:25,623 INFO L82 PathProgramCache]: Analyzing trace with hash 375885807, now seen corresponding path program 1 times [2018-11-18 13:13:25,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:25,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:25,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:25,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:25,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:13:25,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:25,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:13:25,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:13:25,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:13:25,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:13:25,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:13:25,781 INFO L87 Difference]: Start difference. First operand 372 states and 436 transitions. Second operand 9 states. [2018-11-18 13:13:26,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:26,570 INFO L93 Difference]: Finished difference Result 975 states and 1196 transitions. [2018-11-18 13:13:26,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:13:26,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2018-11-18 13:13:26,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:26,575 INFO L225 Difference]: With dead ends: 975 [2018-11-18 13:13:26,575 INFO L226 Difference]: Without dead ends: 695 [2018-11-18 13:13:26,576 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:13:26,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2018-11-18 13:13:26,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 625. [2018-11-18 13:13:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-11-18 13:13:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 724 transitions. [2018-11-18 13:13:26,620 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 724 transitions. Word has length 92 [2018-11-18 13:13:26,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:26,620 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 724 transitions. [2018-11-18 13:13:26,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:13:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 724 transitions. [2018-11-18 13:13:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 13:13:26,622 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:13:26,622 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:26,622 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:13:26,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:26,622 INFO L82 PathProgramCache]: Analyzing trace with hash 199076751, now seen corresponding path program 1 times [2018-11-18 13:13:26,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:13:26,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:26,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:26,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:26,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:13:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:13:26,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:13:26,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:13:26,964 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-18 13:13:26,965 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [58], [59], [60], [63], [65], [68], [75], [78], [79], [80], [84], [90], [94], [98], [101], [104], [106], [112], [114], [117], [132], [133], [134], [135], [136], [137], [138], [140], [145], [147], [148], [186], [189], [193], [199], [202], [206], [207], [213], [217], [218], [221], [222], [223], [224], [225], [226], [227], [229], [230], [231], [232], [233], [234], [235], [236], [237], [239], [240], [241], [243], [244], [245], [246], [249], [250], [251], [252], [255], [256], [259], [260], [265], [266], [267], [268], [269], [270], [271], [272], [273], [274], [275] [2018-11-18 13:13:26,995 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:13:26,995 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:13:28,330 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:13:28,331 INFO L272 AbstractInterpreter]: Visited 105 different actions 424 times. Merged at 16 different actions 44 times. Never widened. Performed 15255 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15255 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 13:13:28,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:28,339 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:13:28,339 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:13:28,339 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:13:28,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:28,346 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:13:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:28,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:13:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:29,308 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:13:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:13:30,251 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:13:30,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 13:13:30,251 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:13:30,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 13:13:30,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 13:13:30,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:13:30,252 INFO L87 Difference]: Start difference. First operand 625 states and 724 transitions. Second operand 16 states. [2018-11-18 13:13:32,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:32,066 INFO L93 Difference]: Finished difference Result 978 states and 1154 transitions. [2018-11-18 13:13:32,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:13:32,069 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-11-18 13:13:32,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:13:32,070 INFO L225 Difference]: With dead ends: 978 [2018-11-18 13:13:32,070 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:13:32,072 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 263 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2018-11-18 13:13:32,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:13:32,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:13:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:13:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:13:32,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-11-18 13:13:32,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:13:32,074 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:13:32,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 13:13:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:13:32,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:13:32,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:13:32,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:13:32,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:13:32,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:13:32,606 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-18 13:13:32,754 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-11-18 13:13:32,977 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2018-11-18 13:13:33,369 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2018-11-18 13:13:33,604 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-11-18 13:13:33,903 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2018-11-18 13:13:34,605 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-11-18 13:13:34,709 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2018-11-18 13:13:34,709 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2018-11-18 13:13:34,709 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2018-11-18 13:13:34,709 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2018-11-18 13:13:34,709 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2018-11-18 13:13:34,709 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 13:13:34,709 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L421 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-11-18 13:13:34,710 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L421 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L425 ceAbstractionStarter]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2018-11-18 13:13:34,710 INFO L428 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point L905-1(line 905) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 752 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 13:13:34,711 INFO L421 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:13:34,711 INFO L421 ceAbstractionStarter]: At program point L764-1(line 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L421 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 13:13:34,711 INFO L421 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 13:13:34,711 INFO L421 ceAbstractionStarter]: At program point L758-1(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2018-11-18 13:13:34,711 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2018-11-18 13:13:34,712 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2018-11-18 13:13:34,712 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 13:13:34,712 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2018-11-18 13:13:34,712 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:13:34,712 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2018-11-18 13:13:34,712 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2018-11-18 13:13:34,712 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2018-11-18 13:13:34,712 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2018-11-18 13:13:34,712 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2018-11-18 13:13:34,712 INFO L421 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 13:13:34,712 INFO L425 ceAbstractionStarter]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2018-11-18 13:13:34,712 INFO L421 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: (let ((.cse3 (and (= processEnvironment_~tmp~4 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse3 .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-18 13:13:34,712 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2018-11-18 13:13:34,713 INFO L421 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-18 13:13:34,713 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 13:13:34,713 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2018-11-18 13:13:34,713 INFO L421 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 13:13:34,713 INFO L425 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2018-11-18 13:13:34,713 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2018-11-18 13:13:34,713 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2018-11-18 13:13:34,713 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2018-11-18 13:13:34,713 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:13:34,713 INFO L421 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse2))) [2018-11-18 13:13:34,713 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-11-18 13:13:34,713 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-11-18 13:13:34,714 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2018-11-18 13:13:34,714 INFO L421 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1) .cse2 .cse3) (and .cse2 .cse4 .cse1) (and .cse4 .cse1 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1))) [2018-11-18 13:13:34,714 INFO L421 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2))) [2018-11-18 13:13:34,714 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-11-18 13:13:34,714 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-11-18 13:13:34,714 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 13:13:34,714 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 420 465) no Hoare annotation was computed. [2018-11-18 13:13:34,714 INFO L421 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:13:34,714 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L421 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse2))) [2018-11-18 13:13:34,715 INFO L425 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-18 13:13:34,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2018-11-18 13:13:34,715 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 13:13:34,716 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L428 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L425 ceAbstractionStarter]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2018-11-18 13:13:34,716 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: true [2018-11-18 13:13:34,717 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2018-11-18 13:13:34,717 INFO L428 ceAbstractionStarter]: At program point L704(lines 679 708) the Hoare annotation is: true [2018-11-18 13:13:34,717 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2018-11-18 13:13:34,717 INFO L425 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2018-11-18 13:13:34,717 INFO L425 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-11-18 13:13:34,717 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2018-11-18 13:13:34,717 INFO L425 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-11-18 13:13:34,717 INFO L428 ceAbstractionStarter]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2018-11-18 13:13:34,717 INFO L425 ceAbstractionStarter]: For program point L689-1(lines 689 703) no Hoare annotation was computed. [2018-11-18 13:13:34,717 INFO L428 ceAbstractionStarter]: At program point L689-3(lines 689 703) the Hoare annotation is: true [2018-11-18 13:13:34,717 INFO L428 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-11-18 13:13:34,717 INFO L425 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-18 13:13:34,718 INFO L421 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-11-18 13:13:34,718 INFO L421 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-11-18 13:13:34,718 INFO L421 ceAbstractionStarter]: At program point L497(line 497) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-18 13:13:34,718 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse1 .cse8)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or (and .cse5 .cse6) .cse7) (or (or .cse1 .cse8) .cse9 (and .cse10 .cse6)) (or (and .cse10 .cse6 .cse4) .cse9 .cse1 .cse2) (or .cse2 .cse7 .cse4)))) [2018-11-18 13:13:34,718 INFO L425 ceAbstractionStarter]: For program point L495(lines 491 513) no Hoare annotation was computed. [2018-11-18 13:13:34,718 INFO L425 ceAbstractionStarter]: For program point L493(lines 491 513) no Hoare annotation was computed. [2018-11-18 13:13:34,718 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2018-11-18 13:13:34,718 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 13:13:34,719 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2018-11-18 13:13:34,719 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2018-11-18 13:13:34,720 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2018-11-18 13:13:34,720 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2018-11-18 13:13:34,720 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2018-11-18 13:13:34,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:13:34 BoogieIcfgContainer [2018-11-18 13:13:34,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:13:34,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:13:34,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:13:34,731 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:13:34,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:21" (3/4) ... [2018-11-18 13:13:34,734 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:13:34,738 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:13:34,738 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:13:34,738 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:13:34,739 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:13:34,740 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:13:34,746 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 13:13:34,747 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:13:34,747 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:13:34,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0)) || ((pumpRunning == 1 && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) [2018-11-18 13:13:34,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 13:13:34,806 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_676d8b85-0871-483b-aa9a-5eb09f455aff/bin-2019/utaipan/witness.graphml [2018-11-18 13:13:34,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:13:34,807 INFO L168 Benchmark]: Toolchain (without parser) took 14072.81 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -204.9 MB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:34,808 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:13:34,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:34,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:13:34,808 INFO L168 Benchmark]: Boogie Preprocessor took 30.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:34,809 INFO L168 Benchmark]: RCFGBuilder took 577.63 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: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:34,809 INFO L168 Benchmark]: TraceAbstraction took 12940.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 292.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -110.0 MB). Peak memory consumption was 441.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:34,812 INFO L168 Benchmark]: Witness Printer took 76.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:34,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.90 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 30.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 577.63 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: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12940.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 292.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -110.0 MB). Peak memory consumption was 441.8 MB. Max. memory is 11.5 GB. * Witness Printer took 76.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0)) || ((pumpRunning == 1 && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 130 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1505 SDtfs, 1139 SDslu, 4230 SDs, 0 SdLazy, 2048 SolverSat, 416 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 304 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=625occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 120 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 773 PreInvPairs, 832 NumberOfFragments, 1505 HoareAnnotationTreeSize, 773 FomulaSimplifications, 2030 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4899 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1096 ConstructedInterpolants, 0 QuantifiedInterpolants, 192754 SizeOfPredicates, 4 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 121/144 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...