./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01_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_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/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 414a1cf94d85c55960b208d82c3570ad577d615a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:36:03,953 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:36:03,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:36:03,962 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:36:03,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:36:03,963 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:36:03,964 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:36:03,965 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:36:03,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:36:03,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:36:03,967 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:36:03,967 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:36:03,968 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:36:03,968 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:36:03,969 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:36:03,970 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:36:03,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:36:03,971 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:36:03,972 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:36:03,973 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:36:03,974 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:36:03,975 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:36:03,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:36:03,977 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:36:03,977 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:36:03,977 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:36:03,978 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:36:03,978 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:36:03,979 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:36:03,980 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:36:03,980 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:36:03,981 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:36:03,981 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:36:03,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:36:03,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:36:03,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:36:03,983 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:36:03,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:36:03,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:36:03,992 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:36:03,992 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:36:03,993 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:36:03,993 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:36:03,993 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:36:03,993 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:36:03,993 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:36:03,993 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:36:03,993 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:36:03,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:36:03,994 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:36:03,994 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:36:03,994 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:36:03,994 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:36:03,995 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:36:03,996 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:36:03,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:36:03,996 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:36:03,996 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:36:03,996 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:36:03,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:36:03,996 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:36:03,996 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:36:03,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:36:03,997 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:36:03,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:36:03,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:36:03,997 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:36:03,997 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_bc34e980-dc33-4d02-ba12-e64eeafba004/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 -> 414a1cf94d85c55960b208d82c3570ad577d615a [2018-11-18 11:36:04,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:36:04,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:36:04,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:36:04,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:36:04,035 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:36:04,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:04,075 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/data/d6ea79853/14d6f5c58b0044d4938a452e6d719e5e/FLAGbac063d09 [2018-11-18 11:36:04,434 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:36:04,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:04,445 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/data/d6ea79853/14d6f5c58b0044d4938a452e6d719e5e/FLAGbac063d09 [2018-11-18 11:36:04,836 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/data/d6ea79853/14d6f5c58b0044d4938a452e6d719e5e [2018-11-18 11:36:04,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:36:04,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:36:04,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:36:04,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:36:04,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:36:04,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:04" (1/1) ... [2018-11-18 11:36:04,845 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 11:36:04, skipping insertion in model container [2018-11-18 11:36:04,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:04" (1/1) ... [2018-11-18 11:36:04,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:36:04,880 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:36:05,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:36:05,074 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:36:05,184 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:36:05,200 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:36:05,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05 WrapperNode [2018-11-18 11:36:05,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:36:05,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:36:05,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:36:05,201 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:36:05,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:36:05,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:36:05,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:36:05,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:36:05,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... [2018-11-18 11:36:05,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:36:05,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:36:05,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:36:05,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:36:05,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/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 11:36:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:36:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:36:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:36:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:36:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:36:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:36:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:36:05,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:36:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:36:05,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:36:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:36:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:36:05,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:36:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:36:05,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:36:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:36:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:36:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:36:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:36:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:36:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:36:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:36:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:36:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:36:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:36:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:36:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:36:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:36:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:36:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:36:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:36:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:36:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:36:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:36:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:36:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:36:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:36:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:36:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:36:05,704 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:36:05,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:05 BoogieIcfgContainer [2018-11-18 11:36:05,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:36:05,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:36:05,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:36:05,708 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:36:05,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:36:04" (1/3) ... [2018-11-18 11:36:05,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615513be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:05, skipping insertion in model container [2018-11-18 11:36:05,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:05" (2/3) ... [2018-11-18 11:36:05,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615513be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:05, skipping insertion in model container [2018-11-18 11:36:05,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:05" (3/3) ... [2018-11-18 11:36:05,711 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:05,718 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:36:05,726 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:36:05,735 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:36:05,757 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:36:05,757 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:36:05,757 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:36:05,757 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:36:05,757 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:36:05,757 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:36:05,757 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:36:05,758 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:36:05,770 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-11-18 11:36:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:36:05,776 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:05,777 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:05,779 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:05,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:05,783 INFO L82 PathProgramCache]: Analyzing trace with hash 606165433, now seen corresponding path program 1 times [2018-11-18 11:36:05,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:05,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:05,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:05,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:05,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:05,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:05,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:36:05,981 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:05,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:36:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:36:05,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:36:05,995 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2018-11-18 11:36:06,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:06,021 INFO L93 Difference]: Finished difference Result 166 states and 209 transitions. [2018-11-18 11:36:06,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:36:06,023 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 11:36:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:06,030 INFO L225 Difference]: With dead ends: 166 [2018-11-18 11:36:06,030 INFO L226 Difference]: Without dead ends: 83 [2018-11-18 11:36:06,034 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 11:36:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-18 11:36:06,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-18 11:36:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 11:36:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2018-11-18 11:36:06,069 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 46 [2018-11-18 11:36:06,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:06,069 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2018-11-18 11:36:06,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:36:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2018-11-18 11:36:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:36:06,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:06,071 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:06,071 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:06,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:06,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1103582943, now seen corresponding path program 1 times [2018-11-18 11:36:06,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:06,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:06,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:06,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:06,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:36:06,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:06,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:36:06,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:36:06,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:36:06,168 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 3 states. [2018-11-18 11:36:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:06,180 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-11-18 11:36:06,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:36:06,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 11:36:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:06,182 INFO L225 Difference]: With dead ends: 113 [2018-11-18 11:36:06,182 INFO L226 Difference]: Without dead ends: 73 [2018-11-18 11:36:06,183 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 11:36:06,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-18 11:36:06,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-18 11:36:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 11:36:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2018-11-18 11:36:06,191 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 48 [2018-11-18 11:36:06,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:06,192 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2018-11-18 11:36:06,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:36:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-11-18 11:36:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:36:06,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:06,193 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:06,193 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:06,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:06,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1439148801, now seen corresponding path program 1 times [2018-11-18 11:36:06,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:06,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:06,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:06,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:06,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:36:06,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:06,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:36:06,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:36:06,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:36:06,292 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand 7 states. [2018-11-18 11:36:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:06,517 INFO L93 Difference]: Finished difference Result 122 states and 143 transitions. [2018-11-18 11:36:06,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:36:06,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 11:36:06,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:06,519 INFO L225 Difference]: With dead ends: 122 [2018-11-18 11:36:06,519 INFO L226 Difference]: Without dead ends: 73 [2018-11-18 11:36:06,519 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:36:06,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-18 11:36:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-18 11:36:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 11:36:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-11-18 11:36:06,526 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 52 [2018-11-18 11:36:06,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:06,527 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-11-18 11:36:06,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:36:06,527 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-11-18 11:36:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 11:36:06,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:06,528 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:06,530 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:06,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:06,531 INFO L82 PathProgramCache]: Analyzing trace with hash -711206917, now seen corresponding path program 1 times [2018-11-18 11:36:06,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:06,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:06,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,532 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:06,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:06,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:36:06,639 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:06,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:36:06,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:36:06,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:36:06,640 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 10 states. [2018-11-18 11:36:06,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:06,949 INFO L93 Difference]: Finished difference Result 200 states and 249 transitions. [2018-11-18 11:36:06,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:36:06,954 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-18 11:36:06,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:06,957 INFO L225 Difference]: With dead ends: 200 [2018-11-18 11:36:06,957 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 11:36:06,958 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:36:06,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 11:36:06,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2018-11-18 11:36:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 11:36:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-11-18 11:36:06,976 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 55 [2018-11-18 11:36:06,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:06,976 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-11-18 11:36:06,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:36:06,976 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-11-18 11:36:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:36:06,978 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:06,979 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:06,979 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:06,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:06,979 INFO L82 PathProgramCache]: Analyzing trace with hash 763845045, now seen corresponding path program 1 times [2018-11-18 11:36:06,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:06,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:06,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:06,980 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:07,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:07,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:36:07,033 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:07,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:36:07,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:36:07,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:36:07,034 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 3 states. [2018-11-18 11:36:07,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:07,049 INFO L93 Difference]: Finished difference Result 226 states and 270 transitions. [2018-11-18 11:36:07,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:36:07,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-18 11:36:07,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:07,051 INFO L225 Difference]: With dead ends: 226 [2018-11-18 11:36:07,051 INFO L226 Difference]: Without dead ends: 137 [2018-11-18 11:36:07,052 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 11:36:07,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-18 11:36:07,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-18 11:36:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-18 11:36:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 155 transitions. [2018-11-18 11:36:07,065 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 155 transitions. Word has length 59 [2018-11-18 11:36:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:07,066 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 155 transitions. [2018-11-18 11:36:07,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:36:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 155 transitions. [2018-11-18 11:36:07,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:36:07,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:07,068 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:36:07,068 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:07,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:07,068 INFO L82 PathProgramCache]: Analyzing trace with hash 985412463, now seen corresponding path program 1 times [2018-11-18 11:36:07,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:07,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:07,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:07,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:07,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:36:07,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:07,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:36:07,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:07,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:36:07,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:36:07,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:36:07,171 INFO L87 Difference]: Start difference. First operand 137 states and 155 transitions. Second operand 6 states. [2018-11-18 11:36:07,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:07,256 INFO L93 Difference]: Finished difference Result 139 states and 157 transitions. [2018-11-18 11:36:07,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:36:07,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 11:36:07,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:07,257 INFO L225 Difference]: With dead ends: 139 [2018-11-18 11:36:07,258 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:36:07,258 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:36:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:36:07,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:36:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:36:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:36:07,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-18 11:36:07,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:07,259 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:36:07,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:36:07,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:36:07,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:36:07,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:36:07,607 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2018-11-18 11:36:07,607 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2018-11-18 11:36:07,607 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-18 11:36:07,607 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-18 11:36:07,607 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-18 11:36:07,607 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-18 11:36:07,607 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-18 11:36:07,608 INFO L425 ceAbstractionStarter]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2018-11-18 11:36:07,608 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,608 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2018-11-18 11:36:07,608 INFO L425 ceAbstractionStarter]: For program point L312-1(lines 312 357) no Hoare annotation was computed. [2018-11-18 11:36:07,608 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2018-11-18 11:36:07,608 INFO L421 ceAbstractionStarter]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,608 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-11-18 11:36:07,608 INFO L421 ceAbstractionStarter]: At program point L348-2(lines 342 353) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,608 INFO L425 ceAbstractionStarter]: For program point L313(lines 312 357) no Hoare annotation was computed. [2018-11-18 11:36:07,609 INFO L425 ceAbstractionStarter]: For program point L342(lines 342 353) no Hoare annotation was computed. [2018-11-18 11:36:07,609 INFO L421 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,609 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-11-18 11:36:07,609 INFO L425 ceAbstractionStarter]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2018-11-18 11:36:07,609 INFO L421 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,609 INFO L421 ceAbstractionStarter]: At program point L355(lines 312 357) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,609 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2018-11-18 11:36:07,609 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-11-18 11:36:07,609 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2018-11-18 11:36:07,609 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2018-11-18 11:36:07,609 INFO L421 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 11:36:07,610 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2018-11-18 11:36:07,610 INFO L421 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2018-11-18 11:36:07,610 INFO L425 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-11-18 11:36:07,610 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2018-11-18 11:36:07,610 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2018-11-18 11:36:07,610 INFO L428 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: true [2018-11-18 11:36:07,610 INFO L425 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2018-11-18 11:36:07,610 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,610 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2018-11-18 11:36:07,610 INFO L421 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,611 INFO L421 ceAbstractionStarter]: At program point L176-1(line 176) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,611 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 181) no Hoare annotation was computed. [2018-11-18 11:36:07,611 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2018-11-18 11:36:07,611 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2018-11-18 11:36:07,611 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:36:07,611 INFO L421 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,611 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,611 INFO L421 ceAbstractionStarter]: At program point L170-1(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,611 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2018-11-18 11:36:07,611 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2018-11-18 11:36:07,611 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2018-11-18 11:36:07,612 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:36:07,612 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:36:07,612 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:36:07,612 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2018-11-18 11:36:07,612 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2018-11-18 11:36:07,612 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2018-11-18 11:36:07,612 INFO L425 ceAbstractionStarter]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2018-11-18 11:36:07,612 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: true [2018-11-18 11:36:07,612 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2018-11-18 11:36:07,612 INFO L421 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:36:07,613 INFO L421 ceAbstractionStarter]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:36:07,613 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:36:07,613 INFO L421 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 11:36:07,613 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2018-11-18 11:36:07,613 INFO L425 ceAbstractionStarter]: For program point L202(lines 201 220) no Hoare annotation was computed. [2018-11-18 11:36:07,613 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2018-11-18 11:36:07,613 INFO L428 ceAbstractionStarter]: At program point L99-3(lines 99 113) the Hoare annotation is: true [2018-11-18 11:36:07,613 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2018-11-18 11:36:07,613 INFO L428 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-18 11:36:07,613 INFO L425 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-18 11:36:07,613 INFO L428 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:36:07,614 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-11-18 11:36:07,614 INFO L428 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 99 113) no Hoare annotation was computed. [2018-11-18 11:36:07,614 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-18 11:36:07,614 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-18 11:36:07,614 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2018-11-18 11:36:07,615 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2018-11-18 11:36:07,615 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:36:07,615 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 11:36:07,615 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:36:07,615 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:36:07,615 INFO L425 ceAbstractionStarter]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2018-11-18 11:36:07,615 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2018-11-18 11:36:07,615 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,615 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 11:36:07,615 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 11:36:07,616 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 11:36:07,616 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 11:36:07,616 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:07,616 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2018-11-18 11:36:07,616 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2018-11-18 11:36:07,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:36:07 BoogieIcfgContainer [2018-11-18 11:36:07,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:36:07,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:36:07,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:36:07,625 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:36:07,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:05" (3/4) ... [2018-11-18 11:36:07,629 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:36:07,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:36:07,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:36:07,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:36:07,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:36:07,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:36:07,635 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:36:07,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:36:07,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:36:07,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:36:07,640 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 11:36:07,641 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:36:07,641 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:36:07,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:36:07,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:36:07,687 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bc34e980-dc33-4d02-ba12-e64eeafba004/bin-2019/utaipan/witness.graphml [2018-11-18 11:36:07,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:36:07,687 INFO L168 Benchmark]: Toolchain (without parser) took 2848.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -81.6 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:07,688 INFO L168 Benchmark]: CDTParser took 0.17 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 11:36:07,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -202.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:07,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:36:07,689 INFO L168 Benchmark]: Boogie Preprocessor took 28.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:07,689 INFO L168 Benchmark]: RCFGBuilder took 451.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:07,689 INFO L168 Benchmark]: TraceAbstraction took 1919.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:07,690 INFO L168 Benchmark]: Witness Printer took 61.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:07,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 360.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -202.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 451.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1919.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. * Witness Printer took 61.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 96 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 502 SDtfs, 261 SDslu, 952 SDs, 0 SdLazy, 315 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 183 NumberOfFragments, 387 HoareAnnotationTreeSize, 165 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 41184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...