./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/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 b261f373c94d4201e773fd055c7f1efffffc1032 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:54:30,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:54:30,190 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:54:30,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:54:30,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:54:30,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:54:30,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:54:30,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:54:30,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:54:30,205 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:54:30,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:54:30,206 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:54:30,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:54:30,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:54:30,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:54:30,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:54:30,212 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:54:30,213 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:54:30,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:54:30,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:54:30,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:54:30,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:54:30,221 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:54:30,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:54:30,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:54:30,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:54:30,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:54:30,224 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:54:30,225 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:54:30,226 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:54:30,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:54:30,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:54:30,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:54:30,228 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:54:30,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:54:30,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:54:30,230 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:54:30,246 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:54:30,247 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:54:30,251 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:54:30,251 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:54:30,251 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:54:30,252 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:54:30,252 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:54:30,252 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:54:30,252 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:54:30,252 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:54:30,252 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:54:30,253 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:54:30,253 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:54:30,253 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:54:30,253 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:54:30,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:54:30,254 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:54:30,254 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:54:30,254 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:54:30,254 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:54:30,254 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:54:30,254 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:54:30,255 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:54:30,255 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:54:30,255 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:54:30,255 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:54:30,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:54:30,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:54:30,259 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:54:30,259 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:54:30,259 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:54:30,259 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:54:30,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:54:30,259 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:54:30,259 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_ca8a888b-a77d-413e-a339-0ec7896b6787/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2018-10-26 22:54:30,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:54:30,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:54:30,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:54:30,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:54:30,305 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:54:30,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-10-26 22:54:30,351 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/data/8727141a5/9fc0d5b8425b4fc3a9641a0d5dc0325f/FLAGaf72c1651 [2018-10-26 22:54:30,779 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:54:30,780 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-10-26 22:54:30,789 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/data/8727141a5/9fc0d5b8425b4fc3a9641a0d5dc0325f/FLAGaf72c1651 [2018-10-26 22:54:30,803 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/data/8727141a5/9fc0d5b8425b4fc3a9641a0d5dc0325f [2018-10-26 22:54:30,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:54:30,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:54:30,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:30,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:54:30,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:54:30,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:30" (1/1) ... [2018-10-26 22:54:30,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c90e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:30, skipping insertion in model container [2018-10-26 22:54:30,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:30" (1/1) ... [2018-10-26 22:54:30,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:54:30,870 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:54:31,128 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:31,142 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:54:31,210 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:31,232 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:54:31,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31 WrapperNode [2018-10-26 22:54:31,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:31,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:31,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:54:31,233 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:54:31,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:31,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:54:31,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:54:31,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:54:31,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... [2018-10-26 22:54:31,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:54:31,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:54:31,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:54:31,390 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:54:31,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/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 [2018-10-26 22:54:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:54:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:54:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-10-26 22:54:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-10-26 22:54:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:54:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:54:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:54:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:54:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:54:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:54:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:54:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:54:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:54:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:54:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 22:54:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 22:54:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:54:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:54:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:54:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:54:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:54:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:54:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:54:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:54:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 22:54:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 22:54:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:54:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:54:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:54:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:54:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:54:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:54:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:54:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:54:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:54:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:54:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:54:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:54:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:54:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:54:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:54:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:54:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:54:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:54:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:54:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:54:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:54:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:54:32,458 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:54:32,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:32 BoogieIcfgContainer [2018-10-26 22:54:32,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:54:32,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:54:32,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:54:32,462 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:54:32,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:54:30" (1/3) ... [2018-10-26 22:54:32,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bebc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:54:32, skipping insertion in model container [2018-10-26 22:54:32,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:31" (2/3) ... [2018-10-26 22:54:32,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bebc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:54:32, skipping insertion in model container [2018-10-26 22:54:32,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:32" (3/3) ... [2018-10-26 22:54:32,466 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-10-26 22:54:32,474 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:54:32,482 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:54:32,496 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:54:32,524 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:54:32,524 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:54:32,524 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:54:32,524 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:54:32,524 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:54:32,525 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:54:32,525 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:54:32,525 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:54:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-10-26 22:54:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:54:32,550 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:32,551 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] [2018-10-26 22:54:32,554 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:32,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:32,559 INFO L82 PathProgramCache]: Analyzing trace with hash -30492147, now seen corresponding path program 1 times [2018-10-26 22:54:32,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:32,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:32,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:32,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:32,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:32,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:54:32,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:54:32,824 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:54:32,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:54:32,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:54:32,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:54:32,850 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-10-26 22:54:32,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:54:32,880 INFO L93 Difference]: Finished difference Result 216 states and 265 transitions. [2018-10-26 22:54:32,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:54:32,882 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 22:54:32,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:54:32,892 INFO L225 Difference]: With dead ends: 216 [2018-10-26 22:54:32,893 INFO L226 Difference]: Without dead ends: 108 [2018-10-26 22:54:32,897 INFO L605 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 [2018-10-26 22:54:32,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-26 22:54:32,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-10-26 22:54:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-26 22:54:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2018-10-26 22:54:32,936 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 46 [2018-10-26 22:54:32,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:54:32,936 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2018-10-26 22:54:32,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:54:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2018-10-26 22:54:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:54:32,939 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:32,940 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] [2018-10-26 22:54:32,940 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:32,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:32,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1702954164, now seen corresponding path program 1 times [2018-10-26 22:54:32,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:32,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:32,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:32,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:32,942 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:33,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:54:33,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:54:33,065 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:54:33,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:54:33,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:54:33,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:54:33,068 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2018-10-26 22:54:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:54:33,097 INFO L93 Difference]: Finished difference Result 159 states and 181 transitions. [2018-10-26 22:54:33,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:54:33,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 22:54:33,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:54:33,099 INFO L225 Difference]: With dead ends: 159 [2018-10-26 22:54:33,099 INFO L226 Difference]: Without dead ends: 98 [2018-10-26 22:54:33,100 INFO L605 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 [2018-10-26 22:54:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-10-26 22:54:33,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-10-26 22:54:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-26 22:54:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 111 transitions. [2018-10-26 22:54:33,111 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 111 transitions. Word has length 48 [2018-10-26 22:54:33,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:54:33,112 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 111 transitions. [2018-10-26 22:54:33,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:54:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2018-10-26 22:54:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:54:33,113 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:33,114 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] [2018-10-26 22:54:33,114 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:33,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:33,114 INFO L82 PathProgramCache]: Analyzing trace with hash 956254311, now seen corresponding path program 1 times [2018-10-26 22:54:33,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:33,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:33,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:33,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:33,117 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:33,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:54:33,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:54:33,679 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:54:33,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:54:33,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:54:33,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:54:33,680 INFO L87 Difference]: Start difference. First operand 98 states and 111 transitions. Second operand 7 states. [2018-10-26 22:54:34,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:54:34,215 INFO L93 Difference]: Finished difference Result 172 states and 199 transitions. [2018-10-26 22:54:34,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:54:34,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 22:54:34,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:54:34,217 INFO L225 Difference]: With dead ends: 172 [2018-10-26 22:54:34,217 INFO L226 Difference]: Without dead ends: 98 [2018-10-26 22:54:34,217 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:54:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-10-26 22:54:34,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-10-26 22:54:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-26 22:54:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2018-10-26 22:54:34,226 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 53 [2018-10-26 22:54:34,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:54:34,227 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2018-10-26 22:54:34,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:54:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2018-10-26 22:54:34,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 22:54:34,229 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:34,229 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, 1, 1] [2018-10-26 22:54:34,230 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:34,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:34,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1502211095, now seen corresponding path program 1 times [2018-10-26 22:54:34,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:34,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:34,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:34,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:34,232 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:34,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:54:34,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 22:54:34,660 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:54:34,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:54:34,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:54:34,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:54:34,662 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 10 states. [2018-10-26 22:54:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:54:35,748 INFO L93 Difference]: Finished difference Result 300 states and 361 transitions. [2018-10-26 22:54:35,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 22:54:35,750 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2018-10-26 22:54:35,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:54:35,756 INFO L225 Difference]: With dead ends: 300 [2018-10-26 22:54:35,756 INFO L226 Difference]: Without dead ends: 226 [2018-10-26 22:54:35,757 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:54:35,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-10-26 22:54:35,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 222. [2018-10-26 22:54:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-10-26 22:54:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 258 transitions. [2018-10-26 22:54:35,784 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 258 transitions. Word has length 61 [2018-10-26 22:54:35,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:54:35,785 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 258 transitions. [2018-10-26 22:54:35,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:54:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 258 transitions. [2018-10-26 22:54:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:54:35,788 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:35,789 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, 1, 1, 1, 1, 1, 1] [2018-10-26 22:54:35,789 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:35,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:35,790 INFO L82 PathProgramCache]: Analyzing trace with hash 273761135, now seen corresponding path program 1 times [2018-10-26 22:54:35,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:35,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:35,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:35,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:35,792 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:35,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:54:35,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:54:35,911 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:54:35,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:54:35,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:54:35,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:54:35,912 INFO L87 Difference]: Start difference. First operand 222 states and 258 transitions. Second operand 3 states. [2018-10-26 22:54:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:54:35,972 INFO L93 Difference]: Finished difference Result 362 states and 430 transitions. [2018-10-26 22:54:35,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:54:35,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-10-26 22:54:35,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:54:35,977 INFO L225 Difference]: With dead ends: 362 [2018-10-26 22:54:35,977 INFO L226 Difference]: Without dead ends: 164 [2018-10-26 22:54:35,978 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:54:35,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-10-26 22:54:36,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-10-26 22:54:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-10-26 22:54:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2018-10-26 22:54:36,015 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 65 [2018-10-26 22:54:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:54:36,016 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2018-10-26 22:54:36,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:54:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2018-10-26 22:54:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 22:54:36,017 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:36,018 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, 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] [2018-10-26 22:54:36,018 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:36,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:36,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1954135166, now seen corresponding path program 1 times [2018-10-26 22:54:36,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:36,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:36,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:36,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:36,025 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:54:36,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:54:36,316 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:54:36,317 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-10-26 22:54:36,318 INFO L202 CegarAbsIntRunner]: [2], [17], [20], [21], [22], [23], [24], [25], [29], [35], [39], [43], [46], [51], [57], [59], [65], [68], [78], [80], [83], [85], [88], [94], [96], [97], [101], [104], [112], [113], [114], [115], [116], [117], [157], [161], [167], [177], [181], [186], [190], [191], [206], [207], [208], [209], [214], [215], [218], [219], [220], [221], [222], [224], [225], [226], [227], [228], [229], [230], [231], [232], [240], [241], [242], [243], [244], [245], [246], [248] [2018-10-26 22:54:36,362 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:54:36,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:54:43,362 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:54:43,364 INFO L272 AbstractInterpreter]: Visited 62 different actions 71 times. Merged at 6 different actions 6 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-10-26 22:54:43,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:43,380 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:54:54,399 INFO L227 lantSequenceWeakener]: Weakened 93 states. On average, predicates are now at 97.29% of their original sizes. [2018-10-26 22:54:54,399 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:54:55,292 INFO L415 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-10-26 22:54:55,292 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:54:55,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:54:55,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [7] total 30 [2018-10-26 22:54:55,293 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:54:55,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-26 22:54:55,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-26 22:54:55,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2018-10-26 22:54:55,294 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 25 states. [2018-10-26 22:55:19,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:55:19,688 INFO L93 Difference]: Finished difference Result 230 states and 265 transitions. [2018-10-26 22:55:19,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 22:55:19,688 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 102 [2018-10-26 22:55:19,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:55:19,688 INFO L225 Difference]: With dead ends: 230 [2018-10-26 22:55:19,689 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:55:19,689 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=759, Unknown=0, NotChecked=0, Total=930 [2018-10-26 22:55:19,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:55:19,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:55:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:55:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:55:19,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-10-26 22:55:19,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:55:19,690 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:55:19,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-26 22:55:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:55:19,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:55:19,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:55:19,937 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2018-10-26 22:55:20,253 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2018-10-26 22:55:20,426 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 229 [2018-10-26 22:55:20,558 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2018-10-26 22:55:20,697 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2018-10-26 22:55:22,398 WARN L179 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-10-26 22:55:22,899 WARN L179 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 57 [2018-10-26 22:55:23,068 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2018-10-26 22:55:23,255 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 37 [2018-10-26 22:55:23,533 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2018-10-26 22:55:23,864 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-10-26 22:55:23,969 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2018-10-26 22:55:24,081 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 39 [2018-10-26 22:55:24,507 WARN L179 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 62 [2018-10-26 22:55:25,200 WARN L179 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 62 [2018-10-26 22:55:25,657 WARN L179 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 62 [2018-10-26 22:55:26,053 WARN L179 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 59 [2018-10-26 22:55:26,292 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2018-10-26 22:55:26,292 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2018-10-26 22:55:26,292 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2018-10-26 22:55:26,293 INFO L421 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-10-26 22:55:26,293 INFO L425 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-10-26 22:55:26,293 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2018-10-26 22:55:26,293 INFO L421 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:55:26,293 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-10-26 22:55:26,293 INFO L421 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:55:26,293 INFO L425 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-10-26 22:55:26,294 INFO L421 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:55:26,294 INFO L425 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-10-26 22:55:26,294 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-10-26 22:55:26,294 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2018-10-26 22:55:26,294 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2018-10-26 22:55:26,294 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-10-26 22:55:26,294 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-10-26 22:55:26,294 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2018-10-26 22:55:26,294 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2018-10-26 22:55:26,294 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2018-10-26 22:55:26,294 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2018-10-26 22:55:26,295 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,295 INFO L421 ceAbstractionStarter]: At program point L448-2(lines 440 453) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse1 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 22:55:26,295 INFO L425 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2018-10-26 22:55:26,301 INFO L421 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse1 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 22:55:26,301 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2018-10-26 22:55:26,302 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2018-10-26 22:55:26,302 INFO L421 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse3 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse3 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 22:55:26,302 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-10-26 22:55:26,302 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-10-26 22:55:26,302 INFO L421 ceAbstractionStarter]: At program point L455(lines 410 457) the Hoare annotation is: (let ((.cse0 (+ ~waterLevel~0 test_~splverifierCounter~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and (<= 2 .cse0) (<= (* 2 ~systemActive~0) 2) (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648)) (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649)) (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse1) (and (<= 1 .cse0) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0) .cse1) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 22:55:26,302 INFO L421 ceAbstractionStarter]: At program point L422(line 422) the Hoare annotation is: (let ((.cse3 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse3 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse1 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 22:55:26,303 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-10-26 22:55:26,303 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2018-10-26 22:55:26,303 INFO L425 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2018-10-26 22:55:26,303 INFO L425 ceAbstractionStarter]: For program point L410-1(lines 410 457) no Hoare annotation was computed. [2018-10-26 22:55:26,303 INFO L421 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,303 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2018-10-26 22:55:26,303 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2018-10-26 22:55:26,303 INFO L421 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-10-26 22:55:26,303 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2018-10-26 22:55:26,303 INFO L425 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-10-26 22:55:26,304 INFO L421 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-10-26 22:55:26,304 INFO L425 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-10-26 22:55:26,304 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2018-10-26 22:55:26,304 INFO L425 ceAbstractionStarter]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2018-10-26 22:55:26,304 INFO L428 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2018-10-26 22:55:26,304 INFO L425 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-10-26 22:55:26,304 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-10-26 22:55:26,304 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-10-26 22:55:26,304 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,304 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,305 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,305 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,305 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-10-26 22:55:26,305 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-10-26 22:55:26,305 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 2 (+ main_~tmp~0 ~systemActive~0)) (= main_~tmp~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,305 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 2 (+ main_~tmp~0 ~systemActive~0)) (= main_~tmp~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,305 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-10-26 22:55:26,305 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2018-10-26 22:55:26,305 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:55:26,306 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:55:26,306 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-10-26 22:55:26,306 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-10-26 22:55:26,306 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-10-26 22:55:26,307 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-10-26 22:55:26,307 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-10-26 22:55:26,307 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-10-26 22:55:26,307 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-10-26 22:55:26,307 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-10-26 22:55:26,316 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-10-26 22:55:26,316 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-10-26 22:55:26,317 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-10-26 22:55:26,317 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-10-26 22:55:26,317 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-10-26 22:55:26,317 INFO L421 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-10-26 22:55:26,317 INFO L421 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-10-26 22:55:26,317 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-10-26 22:55:26,317 INFO L421 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse0) (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)))) [2018-10-26 22:55:26,317 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2018-10-26 22:55:26,318 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:55:26,318 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) [2018-10-26 22:55:26,319 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:55:26,319 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:55:26,319 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-10-26 22:55:26,319 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-10-26 22:55:26,319 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2018-10-26 22:55:26,319 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 1))) (let ((.cse1 (<= .cse3 ~systemActive~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~waterLevel~0 |old(~systemActive~0)|) 3) (< ~waterLevel~0 (+ |old(~systemActive~0)| 1)) (and (<= .cse0 3) .cse1) .cse2 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (and .cse1 (<= .cse0 2)) (< .cse3 |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= ~waterLevel~0 1)) .cse2)))) [2018-10-26 22:55:26,319 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2018-10-26 22:55:26,319 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-10-26 22:55:26,319 INFO L425 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-10-26 22:55:26,319 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (and (<= 1 .cse0) (<= .cse1 2)) (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and (<= .cse1 3) (<= 2 .cse0)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse2 (< (+ ~pumpRunning~0 2) |old(~waterLevel~0)|)))) [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2018-10-26 22:55:26,320 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2018-10-26 22:55:26,320 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-10-26 22:55:26,320 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2018-10-26 22:55:26,320 INFO L428 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2018-10-26 22:55:26,320 INFO L425 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2018-10-26 22:55:26,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:55:26 BoogieIcfgContainer [2018-10-26 22:55:26,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:55:26,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:55:26,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:55:26,352 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:55:26,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:32" (3/4) ... [2018-10-26 22:55:26,357 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:55:26,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:55:26,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:55:26,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:55:26,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:55:26,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:55:26,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:55:26,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-10-26 22:55:26,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:55:26,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:55:26,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:55:26,369 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:55:26,369 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 22:55:26,369 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:55:26,369 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:55:26,369 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:55:26,369 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 22:55:26,379 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 22:55:26,380 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:55:26,380 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:55:26,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((2 <= waterLevel + splverifierCounter && 2 * systemActive <= 2) && 0 <= tmp + splverifierCounter + 2147483648) && 1 <= pumpRunning + systemActive) && pumpRunning + waterLevel <= 2) && waterLevel + tmp <= 2147483649) && tmp___0 <= pumpRunning + 2147483647) && 0 <= waterLevel + tmp___0 + 2147483646) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 22:55:26,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 22:55:26,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca8a888b-a77d-413e-a339-0ec7896b6787/bin-2019/utaipan/witness.graphml [2018-10-26 22:55:26,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:55:26,451 INFO L168 Benchmark]: Toolchain (without parser) took 55644.67 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 960.7 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-10-26 22:55:26,452 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-26 22:55:26,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.65 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 935.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:26,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:26,453 INFO L168 Benchmark]: Boogie Preprocessor took 34.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:26,453 INFO L168 Benchmark]: RCFGBuilder took 1077.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:26,453 INFO L168 Benchmark]: TraceAbstraction took 53892.49 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-10-26 22:55:26,453 INFO L168 Benchmark]: Witness Printer took 97.87 ms. Allocated memory is still 5.1 GB. Free memory is still 2.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:55:26,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 424.65 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 935.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1077.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53892.49 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 97.87 ms. Allocated memory is still 5.1 GB. Free memory is still 2.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((((((((((2 <= waterLevel + splverifierCounter && 2 * systemActive <= 2) && 0 <= tmp + splverifierCounter + 2147483648) && 1 <= pumpRunning + systemActive) && pumpRunning + waterLevel <= 2) && waterLevel + tmp <= 2147483649) && tmp___0 <= pumpRunning + 2147483647) && 0 <= waterLevel + tmp___0 + 2147483646) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 53.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 26.1s AutomataDifference, 0.0s DeadEndRemovalTime, 6.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 659 SDtfs, 584 SDslu, 1757 SDs, 0 SdLazy, 785 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 155 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.992556494944726 AbsIntWeakeningRatio, 1.0 AbsIntAvgWeakeningVarsNumRemoved, 7216.940594059406 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 298 PreInvPairs, 322 NumberOfFragments, 1988 HoareAnnotationTreeSize, 298 FomulaSimplifications, 2578 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 19682 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 51145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 29/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...