./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09_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_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/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 51c3bbda42df3e7a563a36af727e140b310abe72 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:43:48,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:43:48,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:43:48,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:43:48,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:43:48,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:43:48,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:43:48,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:43:48,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:43:48,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:43:48,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:43:48,661 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:43:48,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:43:48,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:43:48,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:43:48,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:43:48,664 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:43:48,665 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:43:48,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:43:48,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:43:48,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:43:48,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:43:48,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:43:48,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:43:48,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:43:48,671 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:43:48,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:43:48,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:43:48,672 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:43:48,673 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:43:48,673 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:43:48,674 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:43:48,674 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:43:48,674 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:43:48,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:43:48,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:43:48,675 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:43:48,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:43:48,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:43:48,683 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:43:48,684 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:43:48,684 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:43:48,684 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:43:48,684 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:43:48,684 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:43:48,684 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:43:48,684 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:43:48,685 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:43:48,685 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:43:48,685 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:43:48,685 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:43:48,685 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:43:48,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:43:48,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:43:48,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:43:48,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:43:48,686 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:43:48,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:43:48,686 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:43:48,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:43:48,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:43:48,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:43:48,687 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:43:48,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:43:48,687 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:43:48,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:43:48,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:43:48,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:43:48,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:43:48,688 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:43:48,688 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:43:48,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:43:48,688 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:43:48,688 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_edba242b-5b53-4c34-b12c-ae28de879b58/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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2018-12-08 16:43:48,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:43:48,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:43:48,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:43:48,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:43:48,715 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:43:48,716 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-12-08 16:43:48,752 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/data/1ae4230c8/07adcf82f29240ce8f6d8e5420339048/FLAG5c01bc97d [2018-12-08 16:43:49,201 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:43:49,201 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-12-08 16:43:49,207 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/data/1ae4230c8/07adcf82f29240ce8f6d8e5420339048/FLAG5c01bc97d [2018-12-08 16:43:49,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/data/1ae4230c8/07adcf82f29240ce8f6d8e5420339048 [2018-12-08 16:43:49,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:43:49,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:43:49,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:43:49,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:43:49,219 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:43:49,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49, skipping insertion in model container [2018-12-08 16:43:49,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:43:49,245 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:43:49,393 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:43:49,432 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:43:49,470 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:43:49,484 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:43:49,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49 WrapperNode [2018-12-08 16:43:49,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:43:49,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:43:49,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:43:49,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:43:49,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:43:49,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:43:49,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:43:49,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:43:49,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... [2018-12-08 16:43:49,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:43:49,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:43:49,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:43:49,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:43:49,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/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 [2018-12-08 16:43:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:43:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:43:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:43:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:43:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:43:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:43:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:43:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:43:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:43:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:43:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:43:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:43:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:43:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:43:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:43:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:43:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:43:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 16:43:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 16:43:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:43:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:43:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:43:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:43:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:43:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:43:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:43:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:43:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:43:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:43:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:43:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:43:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:43:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:43:49,813 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:43:49,813 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:43:49,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:43:49 BoogieIcfgContainer [2018-12-08 16:43:49,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:43:49,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:43:49,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:43:49,816 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:43:49,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:43:49" (1/3) ... [2018-12-08 16:43:49,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef41d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:43:49, skipping insertion in model container [2018-12-08 16:43:49,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:43:49" (2/3) ... [2018-12-08 16:43:49,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef41d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:43:49, skipping insertion in model container [2018-12-08 16:43:49,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:43:49" (3/3) ... [2018-12-08 16:43:49,818 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-12-08 16:43:49,824 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:43:49,829 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:43:49,838 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:43:49,857 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:43:49,857 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:43:49,857 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:43:49,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:43:49,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:43:49,857 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:43:49,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:43:49,858 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:43:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-12-08 16:43:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:43:49,873 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:43:49,873 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] [2018-12-08 16:43:49,875 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:43:49,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:43:49,878 INFO L82 PathProgramCache]: Analyzing trace with hash -823004029, now seen corresponding path program 1 times [2018-12-08 16:43:49,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:43:49,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:49,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:43:49,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:49,907 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:43:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:43:50,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:43:50,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:43:50,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:43:50,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:43:50,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:43:50,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:43:50,029 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-12-08 16:43:50,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:43:50,048 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2018-12-08 16:43:50,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:43:50,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 16:43:50,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:43:50,054 INFO L225 Difference]: With dead ends: 162 [2018-12-08 16:43:50,054 INFO L226 Difference]: Without dead ends: 81 [2018-12-08 16:43:50,056 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 [2018-12-08 16:43:50,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-08 16:43:50,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-08 16:43:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-08 16:43:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2018-12-08 16:43:50,082 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2018-12-08 16:43:50,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:43:50,082 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2018-12-08 16:43:50,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:43:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2018-12-08 16:43:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:43:50,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:43:50,084 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] [2018-12-08 16:43:50,084 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:43:50,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:43:50,084 INFO L82 PathProgramCache]: Analyzing trace with hash -489874486, now seen corresponding path program 1 times [2018-12-08 16:43:50,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:43:50,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:43:50,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:43:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:43:50,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:43:50,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:43:50,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:43:50,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:43:50,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:43:50,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:43:50,138 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2018-12-08 16:43:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:43:50,148 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2018-12-08 16:43:50,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:43:50,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 16:43:50,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:43:50,149 INFO L225 Difference]: With dead ends: 111 [2018-12-08 16:43:50,149 INFO L226 Difference]: Without dead ends: 72 [2018-12-08 16:43:50,150 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 [2018-12-08 16:43:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-08 16:43:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-08 16:43:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-08 16:43:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2018-12-08 16:43:50,156 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2018-12-08 16:43:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:43:50,156 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2018-12-08 16:43:50,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:43:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2018-12-08 16:43:50,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:43:50,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:43:50,157 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] [2018-12-08 16:43:50,157 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:43:50,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:43:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash -206826335, now seen corresponding path program 1 times [2018-12-08 16:43:50,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:43:50,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:43:50,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:43:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:43:50,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:43:50,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:43:50,226 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:43:50,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:43:50,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:43:50,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:43:50,227 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 7 states. [2018-12-08 16:43:50,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:43:50,332 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2018-12-08 16:43:50,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:43:50,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 16:43:50,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:43:50,333 INFO L225 Difference]: With dead ends: 120 [2018-12-08 16:43:50,333 INFO L226 Difference]: Without dead ends: 72 [2018-12-08 16:43:50,334 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 [2018-12-08 16:43:50,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-08 16:43:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-08 16:43:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-08 16:43:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-12-08 16:43:50,339 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2018-12-08 16:43:50,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:43:50,339 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-12-08 16:43:50,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:43:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-12-08 16:43:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 16:43:50,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:43:50,340 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] [2018-12-08 16:43:50,340 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:43:50,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:43:50,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1372093303, now seen corresponding path program 1 times [2018-12-08 16:43:50,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:43:50,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:43:50,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:43:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:43:50,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:43:50,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 16:43:50,421 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:43:50,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:43:50,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:43:50,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:43:50,422 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 10 states. [2018-12-08 16:43:50,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:43:50,625 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2018-12-08 16:43:50,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 16:43:50,625 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-12-08 16:43:50,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:43:50,629 INFO L225 Difference]: With dead ends: 196 [2018-12-08 16:43:50,629 INFO L226 Difference]: Without dead ends: 148 [2018-12-08 16:43:50,630 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 [2018-12-08 16:43:50,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-08 16:43:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 144. [2018-12-08 16:43:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-08 16:43:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 171 transitions. [2018-12-08 16:43:50,647 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 171 transitions. Word has length 54 [2018-12-08 16:43:50,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:43:50,648 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 171 transitions. [2018-12-08 16:43:50,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:43:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2018-12-08 16:43:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 16:43:50,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:43:50,650 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] [2018-12-08 16:43:50,650 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:43:50,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:43:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1499900879, now seen corresponding path program 1 times [2018-12-08 16:43:50,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:43:50,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:43:50,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:43:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:43:50,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:43:50,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:43:50,694 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:43:50,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:43:50,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:43:50,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:43:50,695 INFO L87 Difference]: Start difference. First operand 144 states and 171 transitions. Second operand 3 states. [2018-12-08 16:43:50,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:43:50,706 INFO L93 Difference]: Finished difference Result 221 states and 265 transitions. [2018-12-08 16:43:50,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:43:50,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-08 16:43:50,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:43:50,708 INFO L225 Difference]: With dead ends: 221 [2018-12-08 16:43:50,708 INFO L226 Difference]: Without dead ends: 134 [2018-12-08 16:43:50,709 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 [2018-12-08 16:43:50,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-08 16:43:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-08 16:43:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-08 16:43:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 152 transitions. [2018-12-08 16:43:50,721 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 152 transitions. Word has length 58 [2018-12-08 16:43:50,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:43:50,722 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 152 transitions. [2018-12-08 16:43:50,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:43:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 152 transitions. [2018-12-08 16:43:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 16:43:50,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:43:50,724 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] [2018-12-08 16:43:50,724 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:43:50,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:43:50,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1494889578, now seen corresponding path program 1 times [2018-12-08 16:43:50,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:43:50,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:43:50,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:43:50,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:43:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 16:43:50,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:43:50,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:43:50,810 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:43:50,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:43:50,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:43:50,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:43:50,811 INFO L87 Difference]: Start difference. First operand 134 states and 152 transitions. Second operand 6 states. [2018-12-08 16:43:50,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:43:50,890 INFO L93 Difference]: Finished difference Result 136 states and 154 transitions. [2018-12-08 16:43:50,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:43:50,891 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 16:43:50,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:43:50,891 INFO L225 Difference]: With dead ends: 136 [2018-12-08 16:43:50,891 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:43:50,892 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 [2018-12-08 16:43:50,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:43:50,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:43:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:43:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:43:50,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-12-08 16:43:50,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:43:50,893 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:43:50,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:43:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:43:50,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:43:50,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:43:51,249 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2018-12-08 16:43:51,249 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2018-12-08 16:43:51,249 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2018-12-08 16:43:51,249 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2018-12-08 16:43:51,249 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 580) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,250 INFO L444 ceAbstractionStarter]: At program point L576-2(lines 570 581) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L541(lines 540 585) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L570(lines 570 581) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,250 INFO L444 ceAbstractionStarter]: At program point L583(lines 540 585) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-12-08 16:43:51,250 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 546) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L444 ceAbstractionStarter]: At program point L586(lines 539 587) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L444 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L444 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,251 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2018-12-08 16:43:51,251 INFO L444 ceAbstractionStarter]: At program point L845-1(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point L843(lines 843 850) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,252 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,252 INFO L444 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: true [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2018-12-08 16:43:51,252 INFO L451 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2018-12-08 16:43:51,253 INFO L451 ceAbstractionStarter]: At program point L787(lines 762 791) the Hoare annotation is: true [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point L776(lines 776 780) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L451 ceAbstractionStarter]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L451 ceAbstractionStarter]: At program point L772-2(lines 772 786) the Hoare annotation is: true [2018-12-08 16:43:51,253 INFO L444 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point L605(lines 604 623) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 601 624) 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))))) [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2018-12-08 16:43:51,253 INFO L444 ceAbstractionStarter]: At program point L614(line 614) 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))))) [2018-12-08 16:43:51,253 INFO L444 ceAbstractionStarter]: At program point L612(lines 612 618) 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))))) [2018-12-08 16:43:51,253 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-08 16:43:51,254 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-12-08 16:43:51,254 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-12-08 16:43:51,254 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-12-08 16:43:51,255 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:43:51,255 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2018-12-08 16:43:51,255 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2018-12-08 16:43:51,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:43:51 BoogieIcfgContainer [2018-12-08 16:43:51,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:43:51,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:43:51,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:43:51,262 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:43:51,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:43:49" (3/4) ... [2018-12-08 16:43:51,264 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:43:51,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:43:51,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:43:51,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:43:51,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:43:51,273 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 16:43:51,273 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:43:51,273 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:43:51,273 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:43:51,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:43:51,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:43:51,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-08 16:43:51,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-08 16:43:51,308 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_edba242b-5b53-4c34-b12c-ae28de879b58/bin-2019/utaipan/witness.graphml [2018-12-08 16:43:51,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:43:51,309 INFO L168 Benchmark]: Toolchain (without parser) took 2092.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 957.8 MB in the beginning and 1.2 GB in the end (delta: -193.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:43:51,309 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:43:51,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:43:51,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.41 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. [2018-12-08 16:43:51,310 INFO L168 Benchmark]: Boogie Preprocessor took 19.80 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. [2018-12-08 16:43:51,310 INFO L168 Benchmark]: RCFGBuilder took 289.45 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:43:51,310 INFO L168 Benchmark]: TraceAbstraction took 1447.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.3 MB). Peak memory consumption was 287.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:43:51,310 INFO L168 Benchmark]: Witness Printer took 46.74 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:43:51,311 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.41 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 19.80 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. * RCFGBuilder took 289.45 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1447.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.3 MB). Peak memory consumption was 287.5 MB. Max. memory is 11.5 GB. * Witness Printer took 46.74 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(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...