./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product01_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/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 1765ed2f00a711eb0a5a8db62b018a802d4ab98b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:23:06,917 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:23:06,918 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:23:06,926 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:23:06,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:23:06,927 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:23:06,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:23:06,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:23:06,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:23:06,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:23:06,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:23:06,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:23:06,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:23:06,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:23:06,933 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:23:06,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:23:06,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:23:06,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:23:06,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:23:06,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:23:06,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:23:06,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:23:06,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:23:06,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:23:06,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:23:06,940 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:23:06,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:23:06,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:23:06,942 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:23:06,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:23:06,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:23:06,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:23:06,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:23:06,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:23:06,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:23:06,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:23:06,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:23:06,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:23:06,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:23:06,954 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:23:06,955 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:23:06,955 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:23:06,955 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:23:06,955 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:23:06,955 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:23:06,955 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:23:06,955 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:23:06,955 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:23:06,956 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:23:06,956 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:23:06,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:23:06,956 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:23:06,956 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:23:06,957 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:23:06,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:23:06,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:23:06,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:23:06,958 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:23:06,958 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:23:06,958 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:23:06,958 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:23:06,958 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:23:06,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:23:06,959 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:23:06,959 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:23:06,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:23:06,959 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:23:06,959 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_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/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 -> 1765ed2f00a711eb0a5a8db62b018a802d4ab98b [2018-11-23 07:23:06,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:23:06,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:23:06,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:23:06,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:23:06,994 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:23:06,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product01_true-unreach-call_false-termination.cil.c [2018-11-23 07:23:07,038 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/data/dcd5f312a/326ea8279aaf4525b705d814c30759cd/FLAG552011778 [2018-11-23 07:23:07,421 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:23:07,421 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/sv-benchmarks/c/product-lines/minepump_spec1_product01_true-unreach-call_false-termination.cil.c [2018-11-23 07:23:07,431 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/data/dcd5f312a/326ea8279aaf4525b705d814c30759cd/FLAG552011778 [2018-11-23 07:23:07,829 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/data/dcd5f312a/326ea8279aaf4525b705d814c30759cd [2018-11-23 07:23:07,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:23:07,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:23:07,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:23:07,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:23:07,835 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:23:07,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:23:07" (1/1) ... [2018-11-23 07:23:07,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da339c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:07, skipping insertion in model container [2018-11-23 07:23:07,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:23:07" (1/1) ... [2018-11-23 07:23:07,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:23:07,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:23:08,054 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:23:08,063 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:23:08,169 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:23:08,183 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:23:08,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08 WrapperNode [2018-11-23 07:23:08,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:23:08,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:23:08,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:23:08,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:23:08,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:23:08,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:23:08,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:23:08,203 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:23:08,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... [2018-11-23 07:23:08,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:23:08,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:23:08,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:23:08,225 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:23:08,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/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 [2018-11-23 07:23:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:23:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:23:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:23:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:23:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:23:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:23:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:23:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:23:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:23:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:23:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:23:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:23:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:23:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:23:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:23:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:23:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:23:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:23:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 07:23:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 07:23:08,649 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:23:08,649 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:23:08,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:08 BoogieIcfgContainer [2018-11-23 07:23:08,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:23:08,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:23:08,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:23:08,653 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:23:08,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:23:07" (1/3) ... [2018-11-23 07:23:08,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb868a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:23:08, skipping insertion in model container [2018-11-23 07:23:08,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:08" (2/3) ... [2018-11-23 07:23:08,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb868a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:23:08, skipping insertion in model container [2018-11-23 07:23:08,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:08" (3/3) ... [2018-11-23 07:23:08,655 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01_true-unreach-call_false-termination.cil.c [2018-11-23 07:23:08,661 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:23:08,666 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:23:08,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:23:08,697 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:23:08,697 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:23:08,697 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:23:08,697 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:23:08,697 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:23:08,697 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:23:08,697 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:23:08,698 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:23:08,711 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-11-23 07:23:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 07:23:08,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:08,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:08,718 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:08,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:08,721 INFO L82 PathProgramCache]: Analyzing trace with hash -439961760, now seen corresponding path program 1 times [2018-11-23 07:23:08,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:08,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:08,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:08,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:08,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:08,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:08,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:23:08,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:08,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:23:08,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:23:08,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:23:08,910 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-11-23 07:23:08,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:08,933 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2018-11-23 07:23:08,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:23:08,934 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 07:23:08,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:08,940 INFO L225 Difference]: With dead ends: 162 [2018-11-23 07:23:08,940 INFO L226 Difference]: Without dead ends: 81 [2018-11-23 07:23:08,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:23:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-23 07:23:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-11-23 07:23:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-23 07:23:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2018-11-23 07:23:08,968 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2018-11-23 07:23:08,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:08,968 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2018-11-23 07:23:08,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:23:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2018-11-23 07:23:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:23:08,970 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:08,970 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:08,971 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:08,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:08,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1854672055, now seen corresponding path program 1 times [2018-11-23 07:23:08,971 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:08,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:08,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:08,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:08,972 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:09,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:09,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:23:09,049 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:09,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:23:09,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:23:09,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:23:09,051 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2018-11-23 07:23:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:09,064 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2018-11-23 07:23:09,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:23:09,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 07:23:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:09,066 INFO L225 Difference]: With dead ends: 111 [2018-11-23 07:23:09,066 INFO L226 Difference]: Without dead ends: 72 [2018-11-23 07:23:09,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:23:09,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-11-23 07:23:09,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-11-23 07:23:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-23 07:23:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2018-11-23 07:23:09,075 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2018-11-23 07:23:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:09,075 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2018-11-23 07:23:09,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:23:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2018-11-23 07:23:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:23:09,077 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:09,077 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:09,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:09,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:09,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1322621251, now seen corresponding path program 1 times [2018-11-23 07:23:09,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:09,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:09,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:09,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:09,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:09,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:09,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:23:09,200 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:09,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:23:09,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:23:09,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:23:09,200 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 7 states. [2018-11-23 07:23:09,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:09,344 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2018-11-23 07:23:09,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:23:09,344 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 07:23:09,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:09,345 INFO L225 Difference]: With dead ends: 120 [2018-11-23 07:23:09,345 INFO L226 Difference]: Without dead ends: 72 [2018-11-23 07:23:09,346 INFO L631 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 [2018-11-23 07:23:09,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-11-23 07:23:09,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-11-23 07:23:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-23 07:23:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-11-23 07:23:09,352 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2018-11-23 07:23:09,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:09,353 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-11-23 07:23:09,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:23:09,353 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-11-23 07:23:09,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:23:09,354 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:09,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:09,354 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:09,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:09,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1921328157, now seen corresponding path program 1 times [2018-11-23 07:23:09,355 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:09,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:09,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:09,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:09,356 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:09,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:09,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:23:09,430 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:09,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:23:09,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:23:09,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:23:09,431 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 6 states. [2018-11-23 07:23:09,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:09,521 INFO L93 Difference]: Finished difference Result 161 states and 192 transitions. [2018-11-23 07:23:09,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:23:09,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-11-23 07:23:09,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:09,525 INFO L225 Difference]: With dead ends: 161 [2018-11-23 07:23:09,525 INFO L226 Difference]: Without dead ends: 113 [2018-11-23 07:23:09,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:23:09,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-23 07:23:09,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-11-23 07:23:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-23 07:23:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2018-11-23 07:23:09,541 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 54 [2018-11-23 07:23:09,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:09,541 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2018-11-23 07:23:09,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:23:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2018-11-23 07:23:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:23:09,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:09,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:09,543 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:09,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:09,544 INFO L82 PathProgramCache]: Analyzing trace with hash -784718119, now seen corresponding path program 1 times [2018-11-23 07:23:09,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:09,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:09,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:09,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:09,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:09,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:09,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:23:09,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:09,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:23:09,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:23:09,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:23:09,636 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 6 states. [2018-11-23 07:23:09,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:09,803 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2018-11-23 07:23:09,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:23:09,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-23 07:23:09,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:09,804 INFO L225 Difference]: With dead ends: 189 [2018-11-23 07:23:09,805 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:23:09,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:23:09,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:23:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:23:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:23:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:23:09,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-11-23 07:23:09,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:09,806 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:23:09,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:23:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:23:09,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:23:09,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:23:10,232 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 300) no Hoare annotation was computed. [2018-11-23 07:23:10,232 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 294 300) the Hoare annotation is: true [2018-11-23 07:23:10,232 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2018-11-23 07:23:10,232 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2018-11-23 07:23:10,233 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2018-11-23 07:23:10,233 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2018-11-23 07:23:10,233 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2018-11-23 07:23:10,233 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 374 437) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,233 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 374 437) no Hoare annotation was computed. [2018-11-23 07:23:10,233 INFO L444 ceAbstractionStarter]: At program point L430(lines 383 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,233 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 424) no Hoare annotation was computed. [2018-11-23 07:23:10,233 INFO L444 ceAbstractionStarter]: At program point L420-2(lines 414 425) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,233 INFO L448 ceAbstractionStarter]: For program point L385(lines 384 429) no Hoare annotation was computed. [2018-11-23 07:23:10,233 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 425) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L444 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,234 INFO L444 ceAbstractionStarter]: At program point L427(lines 384 429) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 374 437) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 07:23:10,234 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,235 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,235 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,235 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,235 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 07:23:10,235 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 07:23:10,235 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,235 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,235 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 07:23:10,235 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 328 336) no Hoare annotation was computed. [2018-11-23 07:23:10,235 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 328 336) the Hoare annotation is: true [2018-11-23 07:23:10,235 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 328 336) no Hoare annotation was computed. [2018-11-23 07:23:10,235 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:23:10,235 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:23:10,236 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:23:10,236 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-11-23 07:23:10,236 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,236 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-11-23 07:23:10,236 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-11-23 07:23:10,236 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-11-23 07:23:10,236 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-11-23 07:23:10,236 INFO L451 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2018-11-23 07:23:10,236 INFO L451 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: true [2018-11-23 07:23:10,236 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 07:23:10,236 INFO L448 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: true [2018-11-23 07:23:10,237 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 07:23:10,237 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 07:23:10,237 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 07:23:10,237 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 07:23:10,237 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 07:23:10,237 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 07:23:10,238 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-11-23 07:23:10,238 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-11-23 07:23:10,238 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-11-23 07:23:10,238 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2018-11-23 07:23:10,238 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2018-11-23 07:23:10,238 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 07:23:10,238 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 07:23:10,238 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:23:10,238 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 07:23:10,238 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:23:10,238 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:23:10,238 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 466 473) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 466 473) the Hoare annotation is: true [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 466 473) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 461) no Hoare annotation was computed. [2018-11-23 07:23:10,239 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 440 464) no Hoare annotation was computed. [2018-11-23 07:23:10,240 INFO L451 ceAbstractionStarter]: At program point L446(line 446) the Hoare annotation is: true [2018-11-23 07:23:10,240 INFO L448 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2018-11-23 07:23:10,240 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 440 464) the Hoare annotation is: true [2018-11-23 07:23:10,240 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 440 464) no Hoare annotation was computed. [2018-11-23 07:23:10,240 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 07:23:10,240 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2018-11-23 07:23:10,240 INFO L444 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 07:23:10,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:23:10 BoogieIcfgContainer [2018-11-23 07:23:10,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:23:10,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:23:10,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:23:10,252 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:23:10,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:08" (3/4) ... [2018-11-23 07:23:10,255 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:23:10,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:23:10,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:23:10,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:23:10,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:23:10,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:23:10,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:23:10,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:23:10,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 07:23:10,267 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-23 07:23:10,267 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:23:10,268 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:23:10,268 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:23:10,268 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:23:10,268 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:23:10,269 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:23:10,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:23:10,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:23:10,324 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_03807bcc-e5e2-42d2-a822-1ba7b48c7d42/bin-2019/utaipan/witness.graphml [2018-11-23 07:23:10,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:23:10,324 INFO L168 Benchmark]: Toolchain (without parser) took 2493.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -123.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:23:10,325 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-23 07:23:10,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:10,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:23:10,326 INFO L168 Benchmark]: Boogie Preprocessor took 21.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:10,326 INFO L168 Benchmark]: RCFGBuilder took 424.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:10,327 INFO L168 Benchmark]: TraceAbstraction took 1601.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.7 MB). Peak memory consumption was 214.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:10,327 INFO L168 Benchmark]: Witness Printer took 72.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:10,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 351.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 424.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1601.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.7 MB). Peak memory consumption was 214.8 MB. Max. memory is 11.5 GB. * Witness Printer took 72.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: 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: 384]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 94 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 419 SDtfs, 163 SDslu, 692 SDs, 0 SdLazy, 163 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 153 PreInvPairs, 166 NumberOfFragments, 292 HoareAnnotationTreeSize, 153 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 23729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...