./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 414a1cf94d85c55960b208d82c3570ad577d615a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:34:09,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:34:09,380 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:34:09,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:34:09,386 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:34:09,387 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:34:09,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:34:09,388 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:34:09,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:34:09,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:34:09,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:34:09,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:34:09,390 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:34:09,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:34:09,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:34:09,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:34:09,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:34:09,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:34:09,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:34:09,394 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:34:09,395 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:34:09,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:34:09,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:34:09,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:34:09,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:34:09,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:34:09,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:34:09,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:34:09,398 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:34:09,399 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:34:09,399 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:34:09,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:34:09,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:34:09,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:34:09,400 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:34:09,400 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:34:09,400 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:34:09,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:34:09,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:34:09,408 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:34:09,408 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:34:09,408 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:34:09,409 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:34:09,409 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:34:09,409 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:34:09,409 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:34:09,409 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:34:09,409 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:34:09,409 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:34:09,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:34:09,410 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:34:09,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:34:09,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:34:09,411 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:34:09,411 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:34:09,411 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:34:09,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:34:09,411 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:34:09,411 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_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 414a1cf94d85c55960b208d82c3570ad577d615a [2018-12-09 19:34:09,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:34:09,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:34:09,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:34:09,436 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:34:09,436 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:34:09,437 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-12-09 19:34:09,469 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/data/f9f7bf022/a72b16f0eb0147e9a1976e0bf2bf0f7c/FLAGc07d489af [2018-12-09 19:34:09,787 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:34:09,787 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-12-09 19:34:09,793 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/data/f9f7bf022/a72b16f0eb0147e9a1976e0bf2bf0f7c/FLAGc07d489af [2018-12-09 19:34:10,198 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/data/f9f7bf022/a72b16f0eb0147e9a1976e0bf2bf0f7c [2018-12-09 19:34:10,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:34:10,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:34:10,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:34:10,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:34:10,206 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:34:10,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10, skipping insertion in model container [2018-12-09 19:34:10,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:34:10,242 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:34:10,408 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:34:10,458 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:34:10,510 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:34:10,529 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:34:10,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10 WrapperNode [2018-12-09 19:34:10,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:34:10,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:34:10,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:34:10,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:34:10,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:34:10,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:34:10,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:34:10,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:34:10,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... [2018-12-09 19:34:10,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:34:10,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:34:10,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:34:10,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:34:10,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:34:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:34:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:34:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:34:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:34:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:34:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:34:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:34:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:34:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:34:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:34:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:34:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:34:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:34:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:34:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 19:34:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 19:34:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:34:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:34:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:34:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:34:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:34:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:34:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:34:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:34:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:34:10,872 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:34:10,872 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:34:10,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:34:10 BoogieIcfgContainer [2018-12-09 19:34:10,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:34:10,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:34:10,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:34:10,876 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:34:10,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:34:10" (1/3) ... [2018-12-09 19:34:10,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635009bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:34:10, skipping insertion in model container [2018-12-09 19:34:10,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:10" (2/3) ... [2018-12-09 19:34:10,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635009bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:34:10, skipping insertion in model container [2018-12-09 19:34:10,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:34:10" (3/3) ... [2018-12-09 19:34:10,878 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-12-09 19:34:10,886 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:34:10,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:34:10,905 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:34:10,924 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:34:10,924 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:34:10,924 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:34:10,924 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:34:10,924 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:34:10,924 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:34:10,924 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:34:10,924 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:34:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-12-09 19:34:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:34:10,942 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:10,942 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:10,944 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:10,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:10,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1320945891, now seen corresponding path program 1 times [2018-12-09 19:34:10,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:10,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:10,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:11,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:11,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:34:11,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:11,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:34:11,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:34:11,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:34:11,123 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-12-09 19:34:11,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:11,141 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2018-12-09 19:34:11,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:34:11,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 19:34:11,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:11,147 INFO L225 Difference]: With dead ends: 162 [2018-12-09 19:34:11,147 INFO L226 Difference]: Without dead ends: 81 [2018-12-09 19:34:11,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:34:11,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-09 19:34:11,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-09 19:34:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-09 19:34:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2018-12-09 19:34:11,175 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2018-12-09 19:34:11,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:11,175 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2018-12-09 19:34:11,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:34:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2018-12-09 19:34:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:34:11,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:11,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:11,177 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:11,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:11,177 INFO L82 PathProgramCache]: Analyzing trace with hash -987816348, now seen corresponding path program 1 times [2018-12-09 19:34:11,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:11,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:11,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:11,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:11,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:34:11,236 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:11,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:34:11,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:34:11,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:11,239 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2018-12-09 19:34:11,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:11,251 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2018-12-09 19:34:11,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:34:11,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 19:34:11,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:11,253 INFO L225 Difference]: With dead ends: 111 [2018-12-09 19:34:11,253 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 19:34:11,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:11,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 19:34:11,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 19:34:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 19:34:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2018-12-09 19:34:11,262 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2018-12-09 19:34:11,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:11,263 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2018-12-09 19:34:11,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:34:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2018-12-09 19:34:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:34:11,264 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:11,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:11,264 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:11,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:11,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1981651259, now seen corresponding path program 1 times [2018-12-09 19:34:11,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:11,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:11,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:11,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:11,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:34:11,342 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:11,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:34:11,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:34:11,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:34:11,343 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 7 states. [2018-12-09 19:34:11,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:11,449 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2018-12-09 19:34:11,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:34:11,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 19:34:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:11,450 INFO L225 Difference]: With dead ends: 120 [2018-12-09 19:34:11,450 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 19:34:11,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:34:11,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 19:34:11,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 19:34:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 19:34:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-12-09 19:34:11,458 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2018-12-09 19:34:11,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:11,458 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-12-09 19:34:11,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:34:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-12-09 19:34:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:34:11,459 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:11,459 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:11,460 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:11,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:11,460 INFO L82 PathProgramCache]: Analyzing trace with hash -926507757, now seen corresponding path program 1 times [2018-12-09 19:34:11,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:11,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:11,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:11,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:11,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 19:34:11,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:11,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:34:11,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:34:11,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:34:11,557 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 10 states. [2018-12-09 19:34:11,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:11,775 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2018-12-09 19:34:11,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 19:34:11,776 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-12-09 19:34:11,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:11,779 INFO L225 Difference]: With dead ends: 196 [2018-12-09 19:34:11,779 INFO L226 Difference]: Without dead ends: 148 [2018-12-09 19:34:11,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:34:11,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-09 19:34:11,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 144. [2018-12-09 19:34:11,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-09 19:34:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 171 transitions. [2018-12-09 19:34:11,798 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 171 transitions. Word has length 54 [2018-12-09 19:34:11,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:11,799 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 171 transitions. [2018-12-09 19:34:11,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:34:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2018-12-09 19:34:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:34:11,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:11,801 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:11,801 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:11,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:11,801 INFO L82 PathProgramCache]: Analyzing trace with hash -707886771, now seen corresponding path program 1 times [2018-12-09 19:34:11,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:11,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:11,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:11,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:11,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:34:11,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:11,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:34:11,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:34:11,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:11,847 INFO L87 Difference]: Start difference. First operand 144 states and 171 transitions. Second operand 3 states. [2018-12-09 19:34:11,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:11,859 INFO L93 Difference]: Finished difference Result 221 states and 265 transitions. [2018-12-09 19:34:11,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:34:11,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-09 19:34:11,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:11,861 INFO L225 Difference]: With dead ends: 221 [2018-12-09 19:34:11,861 INFO L226 Difference]: Without dead ends: 134 [2018-12-09 19:34:11,862 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-09 19:34:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-09 19:34:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-09 19:34:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 152 transitions. [2018-12-09 19:34:11,874 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 152 transitions. Word has length 58 [2018-12-09 19:34:11,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:11,874 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 152 transitions. [2018-12-09 19:34:11,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:34:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 152 transitions. [2018-12-09 19:34:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:34:11,876 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:11,876 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:11,876 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:11,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:11,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1728138788, now seen corresponding path program 1 times [2018-12-09 19:34:11,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:11,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:11,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:11,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:34:11,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:11,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:34:11,956 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:11,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:34:11,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:34:11,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:34:11,956 INFO L87 Difference]: Start difference. First operand 134 states and 152 transitions. Second operand 6 states. [2018-12-09 19:34:12,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:12,021 INFO L93 Difference]: Finished difference Result 136 states and 154 transitions. [2018-12-09 19:34:12,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:34:12,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 19:34:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:12,022 INFO L225 Difference]: With dead ends: 136 [2018-12-09 19:34:12,023 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:34:12,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:34:12,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:34:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:34:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:34:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:34:12,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-12-09 19:34:12,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:12,024 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:34:12,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:34:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:34:12,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:34:12,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:34:12,390 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2018-12-09 19:34:12,391 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-09 19:34:12,391 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-09 19:34:12,391 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L448 ceAbstractionStarter]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,391 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L444 ceAbstractionStarter]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,391 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-12-09 19:34:12,391 INFO L444 ceAbstractionStarter]: At program point L348-2(lines 342 353) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point L313(lines 312 357) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 353) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L444 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,392 INFO L444 ceAbstractionStarter]: At program point L355(lines 312 357) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2018-12-09 19:34:12,392 INFO L444 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2018-12-09 19:34:12,392 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L451 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: true [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,393 INFO L444 ceAbstractionStarter]: At program point L176-1(line 176) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 181) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 19:34:12,393 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,394 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,394 INFO L444 ceAbstractionStarter]: At program point L170-1(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: true [2018-12-09 19:34:12,394 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2018-12-09 19:34:12,394 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 19:34:12,394 INFO L444 ceAbstractionStarter]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 19:34:12,394 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 19:34:12,394 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point L202(lines 201 220) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2018-12-09 19:34:12,395 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2018-12-09 19:34:12,395 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 19:34:12,396 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2018-12-09 19:34:12,396 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2018-12-09 19:34:12,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:34:12 BoogieIcfgContainer [2018-12-09 19:34:12,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:34:12,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:34:12,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:34:12,403 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:34:12,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:34:10" (3/4) ... [2018-12-09 19:34:12,406 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:34:12,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:34:12,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:34:12,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:34:12,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:34:12,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:34:12,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:34:12,414 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-09 19:34:12,414 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:34:12,414 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:34:12,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:34:12,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:34:12,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:34:12,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-09 19:34:12,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-09 19:34:12,447 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb3460b2-26fe-4619-9c56-0f43f2dfe72f/bin-2019/utaipan/witness.graphml [2018-12-09 19:34:12,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:34:12,448 INFO L168 Benchmark]: Toolchain (without parser) took 2246.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 948.6 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:12,448 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:34:12,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:12,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:34:12,449 INFO L168 Benchmark]: Boogie Preprocessor took 26.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:12,449 INFO L168 Benchmark]: RCFGBuilder took 288.29 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:12,449 INFO L168 Benchmark]: TraceAbstraction took 1529.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.4 MB). Peak memory consumption was 283.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:12,449 INFO L168 Benchmark]: Witness Printer took 44.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:12,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 288.29 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1529.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.4 MB). Peak memory consumption was 283.3 MB. Max. memory is 11.5 GB. * Witness Printer took 44.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 94 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 495 SDtfs, 259 SDslu, 938 SDs, 0 SdLazy, 315 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 183 NumberOfFragments, 387 HoareAnnotationTreeSize, 165 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 39145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...