./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:47:51,487 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:47:51,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:47:51,495 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:47:51,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:47:51,496 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:47:51,496 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:47:51,498 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:47:51,499 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:47:51,499 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:47:51,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:47:51,500 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:47:51,501 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:47:51,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:47:51,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:47:51,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:47:51,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:47:51,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:47:51,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:47:51,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:47:51,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:47:51,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:47:51,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:47:51,510 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:47:51,510 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:47:51,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:47:51,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:47:51,512 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:47:51,512 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:47:51,513 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:47:51,513 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:47:51,514 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:47:51,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:47:51,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:47:51,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:47:51,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:47:51,515 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:47:51,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:47:51,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:47:51,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:47:51,525 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:47:51,525 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:47:51,525 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:47:51,525 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:47:51,525 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:47:51,526 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:47:51,526 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:47:51,526 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:47:51,526 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:47:51,526 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:47:51,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:47:51,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:47:51,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:47:51,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:47:51,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:47:51,527 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:47:51,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:47:51,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:47:51,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:47:51,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:47:51,528 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:47:51,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:47:51,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:47:51,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:47:51,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:47:51,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:47:51,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:47:51,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:47:51,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:47:51,529 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:47:51,530 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:47:51,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:47:51,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:47:51,530 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:47:51,530 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_385ba4e5-279d-4087-bb05-d7ae5e4ca875/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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2018-11-18 13:47:51,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:47:51,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:47:51,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:47:51,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:47:51,566 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:47:51,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-18 13:47:51,609 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/data/25e81cacf/4c6f85de5b1a4092b7ae9943b23256e3/FLAGf7fd66f9e [2018-11-18 13:47:51,963 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:47:51,964 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-18 13:47:51,971 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/data/25e81cacf/4c6f85de5b1a4092b7ae9943b23256e3/FLAGf7fd66f9e [2018-11-18 13:47:51,981 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/data/25e81cacf/4c6f85de5b1a4092b7ae9943b23256e3 [2018-11-18 13:47:51,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:47:51,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:47:51,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:47:51,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:47:51,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:47:51,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:51" (1/1) ... [2018-11-18 13:47:51,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a0f02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51, skipping insertion in model container [2018-11-18 13:47:51,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:51" (1/1) ... [2018-11-18 13:47:51,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:47:52,030 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:47:52,213 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:47:52,221 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:47:52,327 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:47:52,347 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:47:52,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52 WrapperNode [2018-11-18 13:47:52,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:47:52,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:47:52,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:47:52,348 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:47:52,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:47:52,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:47:52,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:47:52,376 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:47:52,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... [2018-11-18 13:47:52,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:47:52,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:47:52,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:47:52,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:47:52,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:47:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:47:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:47:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:47:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:47:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:47:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:47:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:47:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:47:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:47:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:47:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:47:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:47:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:47:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:47:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:47:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:47:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:47:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:47:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:47:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:47:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:47:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:47:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:47:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:47:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:47:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:47:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:47:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:47:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:47:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 13:47:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 13:47:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:47:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:47:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:47:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:47:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:47:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:47:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:47:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:47:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:47:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:47:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:47:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:47:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:47:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:47:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 13:47:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 13:47:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:47:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:47:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:47:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:47:52,825 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:47:52,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:52 BoogieIcfgContainer [2018-11-18 13:47:52,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:47:52,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:47:52,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:47:52,830 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:47:52,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:47:51" (1/3) ... [2018-11-18 13:47:52,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffbf594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:52, skipping insertion in model container [2018-11-18 13:47:52,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:52" (2/3) ... [2018-11-18 13:47:52,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffbf594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:52, skipping insertion in model container [2018-11-18 13:47:52,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:52" (3/3) ... [2018-11-18 13:47:52,833 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-18 13:47:52,838 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:47:52,844 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:47:52,852 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:47:52,874 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:47:52,874 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:47:52,874 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:47:52,874 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:47:52,874 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:47:52,874 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:47:52,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:47:52,875 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:47:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-11-18 13:47:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:47:52,894 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:52,894 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:52,896 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:52,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:52,901 INFO L82 PathProgramCache]: Analyzing trace with hash 763662999, now seen corresponding path program 1 times [2018-11-18 13:47:52,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:52,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:52,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:52,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:52,930 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:53,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:53,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:47:53,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:53,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:47:53,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:47:53,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:47:53,096 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2018-11-18 13:47:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:53,122 INFO L93 Difference]: Finished difference Result 234 states and 289 transitions. [2018-11-18 13:47:53,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:47:53,123 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 13:47:53,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:53,131 INFO L225 Difference]: With dead ends: 234 [2018-11-18 13:47:53,131 INFO L226 Difference]: Without dead ends: 117 [2018-11-18 13:47:53,134 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:47:53,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-18 13:47:53,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-18 13:47:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-18 13:47:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2018-11-18 13:47:53,168 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 52 [2018-11-18 13:47:53,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:53,169 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2018-11-18 13:47:53,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:47:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2018-11-18 13:47:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:47:53,172 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:53,172 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:53,172 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:53,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:53,173 INFO L82 PathProgramCache]: Analyzing trace with hash 66805182, now seen corresponding path program 1 times [2018-11-18 13:47:53,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:53,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:53,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:53,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:53,174 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:53,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:53,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:47:53,254 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:53,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:47:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:47:53,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:47:53,255 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 3 states. [2018-11-18 13:47:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:53,272 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2018-11-18 13:47:53,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:47:53,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 13:47:53,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:53,275 INFO L225 Difference]: With dead ends: 177 [2018-11-18 13:47:53,275 INFO L226 Difference]: Without dead ends: 107 [2018-11-18 13:47:53,276 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:47:53,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-18 13:47:53,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-18 13:47:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-18 13:47:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2018-11-18 13:47:53,286 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 54 [2018-11-18 13:47:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:53,286 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2018-11-18 13:47:53,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:47:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2018-11-18 13:47:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:47:53,288 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:53,288 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:53,288 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:53,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:53,288 INFO L82 PathProgramCache]: Analyzing trace with hash 124615824, now seen corresponding path program 1 times [2018-11-18 13:47:53,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:53,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:53,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:53,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:53,290 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:53,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:53,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:47:53,400 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:53,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:47:53,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:47:53,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:47:53,401 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand 7 states. [2018-11-18 13:47:53,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:53,618 INFO L93 Difference]: Finished difference Result 190 states and 223 transitions. [2018-11-18 13:47:53,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:47:53,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2018-11-18 13:47:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:53,620 INFO L225 Difference]: With dead ends: 190 [2018-11-18 13:47:53,620 INFO L226 Difference]: Without dead ends: 107 [2018-11-18 13:47:53,621 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:47:53,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-18 13:47:53,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-18 13:47:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-18 13:47:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2018-11-18 13:47:53,631 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 59 [2018-11-18 13:47:53,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:53,631 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2018-11-18 13:47:53,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:47:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2018-11-18 13:47:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:47:53,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:53,632 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:53,633 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:53,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:53,633 INFO L82 PathProgramCache]: Analyzing trace with hash 727381725, now seen corresponding path program 1 times [2018-11-18 13:47:53,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:53,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:53,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:53,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:53,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:53,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:53,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:47:53,711 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:53,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:47:53,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:47:53,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:47:53,712 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 5 states. [2018-11-18 13:47:54,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:54,065 INFO L93 Difference]: Finished difference Result 292 states and 349 transitions. [2018-11-18 13:47:54,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:47:54,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-11-18 13:47:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:54,067 INFO L225 Difference]: With dead ends: 292 [2018-11-18 13:47:54,067 INFO L226 Difference]: Without dead ends: 209 [2018-11-18 13:47:54,068 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:47:54,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-11-18 13:47:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 189. [2018-11-18 13:47:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-18 13:47:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 216 transitions. [2018-11-18 13:47:54,087 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 216 transitions. Word has length 67 [2018-11-18 13:47:54,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:54,088 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 216 transitions. [2018-11-18 13:47:54,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:47:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 216 transitions. [2018-11-18 13:47:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:47:54,089 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:54,089 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:54,090 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:54,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:54,090 INFO L82 PathProgramCache]: Analyzing trace with hash 951225714, now seen corresponding path program 1 times [2018-11-18 13:47:54,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:54,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:54,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:54,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:54,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:47:54,173 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:54,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:47:54,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:47:54,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:47:54,174 INFO L87 Difference]: Start difference. First operand 189 states and 216 transitions. Second operand 6 states. [2018-11-18 13:47:54,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:54,384 INFO L93 Difference]: Finished difference Result 469 states and 564 transitions. [2018-11-18 13:47:54,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:47:54,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2018-11-18 13:47:54,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:54,388 INFO L225 Difference]: With dead ends: 469 [2018-11-18 13:47:54,388 INFO L226 Difference]: Without dead ends: 304 [2018-11-18 13:47:54,389 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:47:54,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-11-18 13:47:54,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2018-11-18 13:47:54,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-11-18 13:47:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 348 transitions. [2018-11-18 13:47:54,413 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 348 transitions. Word has length 81 [2018-11-18 13:47:54,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:54,413 INFO L480 AbstractCegarLoop]: Abstraction has 300 states and 348 transitions. [2018-11-18 13:47:54,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:47:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 348 transitions. [2018-11-18 13:47:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:47:54,415 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:54,415 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:54,415 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:54,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:54,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2013961452, now seen corresponding path program 1 times [2018-11-18 13:47:54,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:54,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:54,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:54,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:54,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:47:54,509 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:54,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:47:54,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:47:54,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:47:54,510 INFO L87 Difference]: Start difference. First operand 300 states and 348 transitions. Second operand 6 states. [2018-11-18 13:47:54,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:54,664 INFO L93 Difference]: Finished difference Result 625 states and 752 transitions. [2018-11-18 13:47:54,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:47:54,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 13:47:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:54,684 INFO L225 Difference]: With dead ends: 625 [2018-11-18 13:47:54,684 INFO L226 Difference]: Without dead ends: 460 [2018-11-18 13:47:54,684 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:47:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-11-18 13:47:54,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 442. [2018-11-18 13:47:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-11-18 13:47:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 523 transitions. [2018-11-18 13:47:54,713 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 523 transitions. Word has length 85 [2018-11-18 13:47:54,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:54,713 INFO L480 AbstractCegarLoop]: Abstraction has 442 states and 523 transitions. [2018-11-18 13:47:54,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:47:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 523 transitions. [2018-11-18 13:47:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:47:54,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:54,716 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:54,716 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:54,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:54,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1951240083, now seen corresponding path program 1 times [2018-11-18 13:47:54,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:54,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:54,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:54,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:54,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:47:54,773 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:54,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:47:54,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:47:54,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:47:54,774 INFO L87 Difference]: Start difference. First operand 442 states and 523 transitions. Second operand 5 states. [2018-11-18 13:47:54,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:54,808 INFO L93 Difference]: Finished difference Result 759 states and 916 transitions. [2018-11-18 13:47:54,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:47:54,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2018-11-18 13:47:54,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:54,811 INFO L225 Difference]: With dead ends: 759 [2018-11-18 13:47:54,811 INFO L226 Difference]: Without dead ends: 452 [2018-11-18 13:47:54,811 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:47:54,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2018-11-18 13:47:54,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 446. [2018-11-18 13:47:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2018-11-18 13:47:54,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 526 transitions. [2018-11-18 13:47:54,830 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 526 transitions. Word has length 85 [2018-11-18 13:47:54,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:54,831 INFO L480 AbstractCegarLoop]: Abstraction has 446 states and 526 transitions. [2018-11-18 13:47:54,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:47:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 526 transitions. [2018-11-18 13:47:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:47:54,832 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:54,832 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:54,832 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:54,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:54,833 INFO L82 PathProgramCache]: Analyzing trace with hash -2023626641, now seen corresponding path program 1 times [2018-11-18 13:47:54,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:54,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:54,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:54,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:54,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:54,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:47:54,909 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:54,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:47:54,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:47:54,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:47:54,910 INFO L87 Difference]: Start difference. First operand 446 states and 526 transitions. Second operand 9 states. [2018-11-18 13:47:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:54,981 INFO L93 Difference]: Finished difference Result 848 states and 1019 transitions. [2018-11-18 13:47:54,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:47:54,981 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2018-11-18 13:47:54,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:54,983 INFO L225 Difference]: With dead ends: 848 [2018-11-18 13:47:54,983 INFO L226 Difference]: Without dead ends: 426 [2018-11-18 13:47:54,985 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:47:54,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-11-18 13:47:55,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 420. [2018-11-18 13:47:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-11-18 13:47:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 493 transitions. [2018-11-18 13:47:55,011 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 493 transitions. Word has length 85 [2018-11-18 13:47:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:55,012 INFO L480 AbstractCegarLoop]: Abstraction has 420 states and 493 transitions. [2018-11-18 13:47:55,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:47:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 493 transitions. [2018-11-18 13:47:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:47:55,013 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:55,013 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:55,013 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:55,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:55,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1707883295, now seen corresponding path program 1 times [2018-11-18 13:47:55,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:47:55,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:55,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:55,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:47:55,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:47:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:55,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:55,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 13:47:55,121 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:47:55,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:47:55,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:47:55,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:47:55,122 INFO L87 Difference]: Start difference. First operand 420 states and 493 transitions. Second operand 10 states. [2018-11-18 13:47:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:55,358 INFO L93 Difference]: Finished difference Result 817 states and 964 transitions. [2018-11-18 13:47:55,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:47:55,359 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 86 [2018-11-18 13:47:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:55,360 INFO L225 Difference]: With dead ends: 817 [2018-11-18 13:47:55,360 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:47:55,361 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:47:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:47:55,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:47:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:47:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:47:55,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2018-11-18 13:47:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:55,362 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:47:55,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:47:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:47:55,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:47:55,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:47:56,427 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2018-11-18 13:47:56,427 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2018-11-18 13:47:56,427 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2018-11-18 13:47:56,427 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2018-11-18 13:47:56,428 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2018-11-18 13:47:56,428 INFO L421 ceAbstractionStarter]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,428 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,428 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2018-11-18 13:47:56,428 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2018-11-18 13:47:56,428 INFO L421 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,428 INFO L421 ceAbstractionStarter]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,429 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 205) no Hoare annotation was computed. [2018-11-18 13:47:56,429 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2018-11-18 13:47:56,429 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 13:47:56,429 INFO L421 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,429 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,429 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2018-11-18 13:47:56,429 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2018-11-18 13:47:56,429 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2018-11-18 13:47:56,430 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2018-11-18 13:47:56,430 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2018-11-18 13:47:56,430 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,430 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2018-11-18 13:47:56,430 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2018-11-18 13:47:56,430 INFO L425 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2018-11-18 13:47:56,430 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2018-11-18 13:47:56,430 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2018-11-18 13:47:56,430 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2018-11-18 13:47:56,430 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2018-11-18 13:47:56,431 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-11-18 13:47:56,431 INFO L421 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-11-18 13:47:56,431 INFO L425 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2018-11-18 13:47:56,431 INFO L421 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 13:47:56,431 INFO L421 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (not (= ~waterLevel~0 2)) .cse1) (and .cse1 (= processEnvironment_~tmp~2 1)))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 13:47:56,431 INFO L425 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2018-11-18 13:47:56,432 INFO L421 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2018-11-18 13:47:56,432 INFO L425 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-11-18 13:47:56,432 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-11-18 13:47:56,432 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2018-11-18 13:47:56,432 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2018-11-18 13:47:56,432 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,432 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-11-18 13:47:56,432 INFO L421 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 13:47:56,432 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L421 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1))) [2018-11-18 13:47:56,433 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1))) [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-11-18 13:47:56,433 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 13:47:56,434 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 365) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L428 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2018-11-18 13:47:56,434 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2018-11-18 13:47:56,434 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point L127(lines 127 131) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L428 ceAbstractionStarter]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2018-11-18 13:47:56,435 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 137) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L428 ceAbstractionStarter]: At program point L123-3(lines 123 137) the Hoare annotation is: true [2018-11-18 13:47:56,435 INFO L428 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: true [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-18 13:47:56,435 INFO L428 ceAbstractionStarter]: At program point L138(lines 113 142) the Hoare annotation is: true [2018-11-18 13:47:56,435 INFO L425 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2018-11-18 13:47:56,436 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse5 .cse2 .cse3 .cse6) (or .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse2 .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse4 .cse3 .cse1))) [2018-11-18 13:47:56,436 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)) (or (= |old(~waterLevel~0)| 2) .cse0 .cse1 (not (= ~waterLevel~0 2))))) [2018-11-18 13:47:56,436 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2018-11-18 13:47:56,436 INFO L421 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= 0 ~pumpRunning~0))) (or (= |old(~waterLevel~0)| 2) .cse0 .cse3 .cse2) (or .cse0 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1))) [2018-11-18 13:47:56,436 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2018-11-18 13:47:56,436 INFO L421 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-11-18 13:47:56,436 INFO L425 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2018-11-18 13:47:56,436 INFO L425 ceAbstractionStarter]: For program point L767(lines 767 773) no Hoare annotation was computed. [2018-11-18 13:47:56,436 INFO L421 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2018-11-18 13:47:56,436 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2018-11-18 13:47:56,436 INFO L425 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-11-18 13:47:56,436 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 776) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2018-11-18 13:47:56,437 INFO L428 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 777) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L428 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L421 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-18 13:47:56,437 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2018-11-18 13:47:56,437 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2018-11-18 13:47:56,437 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-18 13:47:56,438 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse1 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse0))) [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse5 (not (= ~waterLevel~0 2))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2))) [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2018-11-18 13:47:56,438 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2018-11-18 13:47:56,438 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2018-11-18 13:47:56,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:47:56 BoogieIcfgContainer [2018-11-18 13:47:56,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:47:56,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:47:56,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:47:56,447 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:47:56,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:52" (3/4) ... [2018-11-18 13:47:56,451 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:47:56,456 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:47:56,456 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:47:56,456 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:47:56,456 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:47:56,456 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:47:56,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:47:56,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:47:56,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:47:56,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:47:56,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 13:47:56,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:47:56,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:47:56,459 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 13:47:56,459 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:47:56,459 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:47:56,467 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 13:47:56,468 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:47:56,468 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:47:56,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) [2018-11-18 13:47:56,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 13:47:56,521 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_385ba4e5-279d-4087-bb05-d7ae5e4ca875/bin-2019/utaipan/witness.graphml [2018-11-18 13:47:56,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:47:56,522 INFO L168 Benchmark]: Toolchain (without parser) took 4538.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 957.5 MB in the beginning and 734.2 MB in the end (delta: 223.3 MB). Peak memory consumption was 444.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:56,523 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:47:56,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:56,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:56,523 INFO L168 Benchmark]: Boogie Preprocessor took 30.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:47:56,524 INFO L168 Benchmark]: RCFGBuilder took 419.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:56,524 INFO L168 Benchmark]: TraceAbstraction took 3620.27 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 110.6 MB). Free memory was 1.0 GB in the beginning and 740.5 MB in the end (delta: 295.8 MB). Peak memory consumption was 406.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:56,524 INFO L168 Benchmark]: Witness Printer took 74.16 ms. Allocated memory is still 1.2 GB. Free memory was 740.5 MB in the beginning and 734.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:56,526 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 419.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3620.27 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 110.6 MB). Free memory was 1.0 GB in the beginning and 740.5 MB in the end (delta: 295.8 MB). Peak memory consumption was 406.4 MB. Max. memory is 11.5 GB. * Witness Printer took 74.16 ms. Allocated memory is still 1.2 GB. Free memory was 740.5 MB in the beginning and 734.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 130 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1213 SDtfs, 553 SDslu, 3763 SDs, 0 SdLazy, 632 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=446occurred in iteration=7, 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 54 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 788 PreInvPairs, 844 NumberOfFragments, 955 HoareAnnotationTreeSize, 788 FomulaSimplifications, 624 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 3130 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 654 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 645 ConstructedInterpolants, 0 QuantifiedInterpolants, 75554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...