./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:57,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:57,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:57,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:57,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:57,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:57,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:57,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:57,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:57,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:57,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:57,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:57,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:57,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:57,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:57,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:57,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:57,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:57,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:57,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:57,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:57,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:57,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:57,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:57,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:57,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:57,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:57,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:57,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:57,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:57,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:57,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:57,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:57,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:57,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:57,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:57,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:57,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:57,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:57,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:57,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:57,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:57,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:57,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:57,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:57,549 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:57,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:57,549 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:57,549 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:57,549 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:57,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:57,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:57,550 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:57,550 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:57,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:57,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:57,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:57,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:57,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:57,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:57,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:57,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:57,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:57,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:57,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:57,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:57,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:57,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:57,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:57,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:57,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:57,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:57,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:57,554 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:57,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:57,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:57,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:57,555 INFO L138 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_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2019-10-22 11:23:57,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:57,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:57,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:57,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:57,591 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:57,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-10-22 11:23:57,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/data/e8c2bf724/12586a9d184048829fc00204912f8945/FLAG4140f9a7a [2019-10-22 11:23:58,054 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:58,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-10-22 11:23:58,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/data/e8c2bf724/12586a9d184048829fc00204912f8945/FLAG4140f9a7a [2019-10-22 11:23:58,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/data/e8c2bf724/12586a9d184048829fc00204912f8945 [2019-10-22 11:23:58,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:58,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:58,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:58,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:58,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:58,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:58,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cab1254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58, skipping insertion in model container [2019-10-22 11:23:58,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:58,449 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:58,490 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:58,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:58,823 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:58,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:58,945 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:58,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58 WrapperNode [2019-10-22 11:23:58,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:58,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:58,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:58,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:58,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:58,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:59,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:59,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:59,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:59,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... [2019-10-22 11:23:59,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:59,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:59,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:59,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:59,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/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 [2019-10-22 11:23:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:59,706 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:59,706 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 11:23:59,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:59 BoogieIcfgContainer [2019-10-22 11:23:59,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:59,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:59,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:59,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:59,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:58" (1/3) ... [2019-10-22 11:23:59,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76326c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:59, skipping insertion in model container [2019-10-22 11:23:59,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:58" (2/3) ... [2019-10-22 11:23:59,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76326c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:59, skipping insertion in model container [2019-10-22 11:23:59,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:59" (3/3) ... [2019-10-22 11:23:59,715 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2019-10-22 11:23:59,724 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:59,731 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:59,746 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:59,770 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:59,770 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:59,770 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:59,770 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:59,771 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:59,771 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:59,771 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:59,771 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-10-22 11:23:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:23:59,789 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:59,790 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:59,792 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:59,797 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2019-10-22 11:23:59,805 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:59,805 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376419338] [2019-10-22 11:23:59,806 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:59,806 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:59,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:00,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376419338] [2019-10-22 11:24:00,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:00,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:00,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254172611] [2019-10-22 11:24:00,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:00,059 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:00,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:00,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:00,074 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-10-22 11:24:00,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:00,103 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-10-22 11:24:00,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:00,104 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:24:00,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:00,114 INFO L225 Difference]: With dead ends: 144 [2019-10-22 11:24:00,114 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 11:24:00,119 INFO L600 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 [2019-10-22 11:24:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 11:24:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 11:24:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 11:24:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-10-22 11:24:00,151 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-10-22 11:24:00,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:00,151 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-10-22 11:24:00,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-10-22 11:24:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:24:00,152 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:00,152 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:00,152 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:00,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:00,153 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2019-10-22 11:24:00,153 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:00,153 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080499914] [2019-10-22 11:24:00,153 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,153 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:00,264 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080499914] [2019-10-22 11:24:00,264 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:00,264 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:00,264 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370712273] [2019-10-22 11:24:00,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:00,266 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:00,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:00,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:00,267 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-10-22 11:24:00,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:00,280 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-10-22 11:24:00,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:00,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:24:00,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:00,282 INFO L225 Difference]: With dead ends: 71 [2019-10-22 11:24:00,282 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 11:24:00,283 INFO L600 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 [2019-10-22 11:24:00,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 11:24:00,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 11:24:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 11:24:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 11:24:00,287 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 11:24:00,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:00,287 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 11:24:00,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 11:24:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:24:00,288 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:00,288 INFO L380 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] [2019-10-22 11:24:00,289 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:00,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:00,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2019-10-22 11:24:00,289 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:00,289 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234327505] [2019-10-22 11:24:00,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:00,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234327505] [2019-10-22 11:24:00,382 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:00,382 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:00,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790747271] [2019-10-22 11:24:00,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:00,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:00,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:00,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:00,383 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-10-22 11:24:00,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:00,413 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-10-22 11:24:00,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:00,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:24:00,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:00,418 INFO L225 Difference]: With dead ends: 60 [2019-10-22 11:24:00,418 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 11:24:00,418 INFO L600 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 [2019-10-22 11:24:00,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 11:24:00,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 11:24:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 11:24:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-10-22 11:24:00,424 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-10-22 11:24:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:00,424 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-10-22 11:24:00,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-10-22 11:24:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:24:00,425 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:00,425 INFO L380 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] [2019-10-22 11:24:00,426 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:00,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:00,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2019-10-22 11:24:00,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:00,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120166112] [2019-10-22 11:24:00,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:00,556 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120166112] [2019-10-22 11:24:00,556 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:00,556 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:00,556 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49018502] [2019-10-22 11:24:00,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:00,557 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:00,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:00,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:00,560 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-10-22 11:24:00,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:00,720 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-10-22 11:24:00,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:00,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:24:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:00,726 INFO L225 Difference]: With dead ends: 151 [2019-10-22 11:24:00,726 INFO L226 Difference]: Without dead ends: 124 [2019-10-22 11:24:00,727 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:00,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-22 11:24:00,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2019-10-22 11:24:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-10-22 11:24:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-10-22 11:24:00,736 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-10-22 11:24:00,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:00,737 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-10-22 11:24:00,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-10-22 11:24:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:24:00,738 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:00,738 INFO L380 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] [2019-10-22 11:24:00,738 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:00,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:00,738 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2019-10-22 11:24:00,739 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:00,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533509974] [2019-10-22 11:24:00,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:00,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:00,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533509974] [2019-10-22 11:24:00,818 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:00,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:00,818 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900253544] [2019-10-22 11:24:00,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:00,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:00,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:00,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:00,819 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-10-22 11:24:00,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:00,871 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2019-10-22 11:24:00,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:00,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:24:00,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:00,872 INFO L225 Difference]: With dead ends: 148 [2019-10-22 11:24:00,872 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:00,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:24:00,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:00,873 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:24:00,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:00,874 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:00,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:00,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:00,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:01,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-10-22 11:24:01,072 INFO L439 ceAbstractionStarter]: At program point L432(lines 383 433) the Hoare annotation is: false [2019-10-22 11:24:01,072 INFO L439 ceAbstractionStarter]: At program point L102(lines 97 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:01,072 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:01,072 INFO L439 ceAbstractionStarter]: At program point L119-2(lines 119 133) the Hoare annotation is: false [2019-10-22 11:24:01,073 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-22 11:24:01,073 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-10-22 11:24:01,073 INFO L446 ceAbstractionStarter]: At program point L203(lines 184 206) the Hoare annotation is: true [2019-10-22 11:24:01,073 INFO L439 ceAbstractionStarter]: At program point L170(lines 166 172) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:01,073 INFO L443 ceAbstractionStarter]: For program point L385(lines 384 431) no Hoare annotation was computed. [2019-10-22 11:24:01,073 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 270) no Hoare annotation was computed. [2019-10-22 11:24:01,074 INFO L443 ceAbstractionStarter]: For program point L253-1(lines 253 270) no Hoare annotation was computed. [2019-10-22 11:24:01,074 INFO L443 ceAbstractionStarter]: For program point L253-2(lines 253 270) no Hoare annotation was computed. [2019-10-22 11:24:01,074 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:24:01,074 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:24:01,074 INFO L443 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:24:01,074 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-10-22 11:24:01,074 INFO L439 ceAbstractionStarter]: At program point L221(lines 220 239) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,075 INFO L443 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2019-10-22 11:24:01,075 INFO L439 ceAbstractionStarter]: At program point L221-2(lines 220 239) the Hoare annotation is: false [2019-10-22 11:24:01,075 INFO L439 ceAbstractionStarter]: At program point L221-3(lines 220 239) the Hoare annotation is: false [2019-10-22 11:24:01,075 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-22 11:24:01,075 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 221 227) no Hoare annotation was computed. [2019-10-22 11:24:01,075 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-10-22 11:24:01,075 INFO L439 ceAbstractionStarter]: At program point L404-1(lines 404 410) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,076 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-10-22 11:24:01,076 INFO L443 ceAbstractionStarter]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2019-10-22 11:24:01,076 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:01,076 INFO L443 ceAbstractionStarter]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2019-10-22 11:24:01,076 INFO L443 ceAbstractionStarter]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2019-10-22 11:24:01,076 INFO L443 ceAbstractionStarter]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2019-10-22 11:24:01,076 INFO L443 ceAbstractionStarter]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2019-10-22 11:24:01,077 INFO L439 ceAbstractionStarter]: At program point L306(lines 301 309) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,077 INFO L439 ceAbstractionStarter]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2019-10-22 11:24:01,077 INFO L439 ceAbstractionStarter]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2019-10-22 11:24:01,077 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-22 11:24:01,077 INFO L439 ceAbstractionStarter]: At program point L901(lines 896 904) the Hoare annotation is: false [2019-10-22 11:24:01,078 INFO L439 ceAbstractionStarter]: At program point L422-2(lines 221 227) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,078 INFO L439 ceAbstractionStarter]: At program point L901-1(lines 896 904) the Hoare annotation is: false [2019-10-22 11:24:01,078 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:24:01,078 INFO L439 ceAbstractionStarter]: At program point L901-2(lines 896 904) the Hoare annotation is: false [2019-10-22 11:24:01,078 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 265) no Hoare annotation was computed. [2019-10-22 11:24:01,079 INFO L443 ceAbstractionStarter]: For program point L257-1(lines 257 265) no Hoare annotation was computed. [2019-10-22 11:24:01,079 INFO L443 ceAbstractionStarter]: For program point L257-2(lines 257 265) no Hoare annotation was computed. [2019-10-22 11:24:01,079 INFO L439 ceAbstractionStarter]: At program point L94(lines 1 904) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:01,079 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:01,079 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 201) no Hoare annotation was computed. [2019-10-22 11:24:01,079 INFO L446 ceAbstractionStarter]: At program point L194-1(lines 194 201) the Hoare annotation is: true [2019-10-22 11:24:01,079 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-10-22 11:24:01,079 INFO L439 ceAbstractionStarter]: At program point L228(lines 228 234) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,080 INFO L439 ceAbstractionStarter]: At program point L228-1(lines 228 234) the Hoare annotation is: false [2019-10-22 11:24:01,080 INFO L439 ceAbstractionStarter]: At program point L228-2(lines 228 234) the Hoare annotation is: false [2019-10-22 11:24:01,080 INFO L443 ceAbstractionStarter]: For program point L823(lines 823 827) no Hoare annotation was computed. [2019-10-22 11:24:01,080 INFO L443 ceAbstractionStarter]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2019-10-22 11:24:01,080 INFO L443 ceAbstractionStarter]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2019-10-22 11:24:01,080 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-10-22 11:24:01,080 INFO L439 ceAbstractionStarter]: At program point L394-1(lines 394 400) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,080 INFO L439 ceAbstractionStarter]: At program point L361(lines 346 364) the Hoare annotation is: false [2019-10-22 11:24:01,081 INFO L439 ceAbstractionStarter]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2019-10-22 11:24:01,081 INFO L439 ceAbstractionStarter]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2019-10-22 11:24:01,081 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:01,081 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 427) no Hoare annotation was computed. [2019-10-22 11:24:01,081 INFO L439 ceAbstractionStarter]: At program point L860(lines 855 863) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,081 INFO L439 ceAbstractionStarter]: At program point L860-1(lines 855 863) the Hoare annotation is: false [2019-10-22 11:24:01,082 INFO L439 ceAbstractionStarter]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2019-10-22 11:24:01,082 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-10-22 11:24:01,082 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:24:01,082 INFO L439 ceAbstractionStarter]: At program point L51-1(lines 1 904) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:01,082 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:24:01,083 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 1 904) the Hoare annotation is: false [2019-10-22 11:24:01,083 INFO L443 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:24:01,083 INFO L439 ceAbstractionStarter]: At program point L51-5(lines 1 904) the Hoare annotation is: false [2019-10-22 11:24:01,083 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-22 11:24:01,083 INFO L443 ceAbstractionStarter]: For program point L811-1(line 811) no Hoare annotation was computed. [2019-10-22 11:24:01,083 INFO L443 ceAbstractionStarter]: For program point L811-2(line 811) no Hoare annotation was computed. [2019-10-22 11:24:01,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:01 BoogieIcfgContainer [2019-10-22 11:24:01,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:01,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:01,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:01,103 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:01,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:59" (3/4) ... [2019-10-22 11:24:01,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:01,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:01,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:24:01,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:24:01,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:24:01,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:01,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:01,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:01,206 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed11e680-f439-48b1-96ff-d9d396cbb077/bin/utaipan/witness.graphml [2019-10-22 11:24:01,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:01,208 INFO L168 Benchmark]: Toolchain (without parser) took 2773.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.4 MB in the beginning and 937.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:01,209 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:01,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:01,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:01,210 INFO L168 Benchmark]: Boogie Preprocessor took 36.89 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. [2019-10-22 11:24:01,210 INFO L168 Benchmark]: RCFGBuilder took 648.21 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:01,210 INFO L168 Benchmark]: TraceAbstraction took 1394.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.0 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:01,211 INFO L168 Benchmark]: Witness Printer took 103.67 ms. Allocated memory is still 1.2 GB. Free memory was 943.0 MB in the beginning and 937.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:01,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 510.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.89 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 648.21 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1394.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.0 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * Witness Printer took 103.67 ms. Allocated memory is still 1.2 GB. Free memory was 943.0 MB in the beginning and 937.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 311 SDtfs, 311 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1289 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...