./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33_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_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/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 5667765c016e1c72bafcc0c365d87d7652cb3eb1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:50:27,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:50:27,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:50:27,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:50:27,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:50:27,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:50:27,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:50:27,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:50:27,674 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:50:27,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:50:27,675 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:50:27,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:50:27,676 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:50:27,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:50:27,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:50:27,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:50:27,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:50:27,679 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:50:27,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:50:27,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:50:27,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:50:27,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:50:27,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:50:27,685 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:50:27,685 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:50:27,686 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:50:27,687 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:50:27,687 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:50:27,688 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:50:27,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:50:27,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:50:27,689 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:50:27,689 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:50:27,690 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:50:27,690 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:50:27,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:50:27,691 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:50:27,701 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:50:27,701 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:50:27,702 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:50:27,702 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:50:27,702 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:50:27,702 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:50:27,702 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:50:27,702 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:50:27,702 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:50:27,702 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:50:27,703 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:50:27,703 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:50:27,703 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:50:27,703 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:50:27,703 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:50:27,703 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:50:27,703 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:50:27,704 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:50:27,704 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:50:27,704 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:50:27,704 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:50:27,704 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:50:27,704 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:50:27,704 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:50:27,705 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:50:27,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:50:27,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:50:27,706 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:50:27,706 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_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/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 -> 5667765c016e1c72bafcc0c365d87d7652cb3eb1 [2018-11-18 15:50:27,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:50:27,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:50:27,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:50:27,738 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:50:27,738 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:50:27,739 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-11-18 15:50:27,775 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/data/be9f83cc3/773fc8d0bda94bb090404562ee25c567/FLAGee7903157 [2018-11-18 15:50:28,216 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:50:28,217 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/sv-benchmarks/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-11-18 15:50:28,227 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/data/be9f83cc3/773fc8d0bda94bb090404562ee25c567/FLAGee7903157 [2018-11-18 15:50:28,238 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/data/be9f83cc3/773fc8d0bda94bb090404562ee25c567 [2018-11-18 15:50:28,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:50:28,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:50:28,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:50:28,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:50:28,244 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:50:28,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28, skipping insertion in model container [2018-11-18 15:50:28,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:50:28,283 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:50:28,477 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:50:28,484 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:50:28,580 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:50:28,595 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:50:28,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28 WrapperNode [2018-11-18 15:50:28,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:50:28,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:50:28,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:50:28,597 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:50:28,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:50:28,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:50:28,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:50:28,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:50:28,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... [2018-11-18 15:50:28,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:50:28,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:50:28,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:50:28,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:50:28,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/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 15:50:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:50:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:50:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:50:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:50:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:50:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:50:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:50:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:50:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:50:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:50:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:50:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:50:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:50:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:50:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:50:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:50:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:50:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:50:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:50:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:50:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:50:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:50:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:50:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:50:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:50:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:50:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:50:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:50:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:50:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:50:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:50:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:50:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:50:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:50:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:50:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:50:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:50:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:50:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:50:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:50:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:50:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:50:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:50:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 15:50:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 15:50:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:50:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:50:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:50:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:50:29,150 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:50:29,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:50:29 BoogieIcfgContainer [2018-11-18 15:50:29,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:50:29,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:50:29,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:50:29,155 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:50:29,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:50:28" (1/3) ... [2018-11-18 15:50:29,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76875084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:50:29, skipping insertion in model container [2018-11-18 15:50:29,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:50:28" (2/3) ... [2018-11-18 15:50:29,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76875084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:50:29, skipping insertion in model container [2018-11-18 15:50:29,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:50:29" (3/3) ... [2018-11-18 15:50:29,158 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-11-18 15:50:29,166 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:50:29,173 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:50:29,186 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:50:29,206 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:50:29,206 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:50:29,206 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:50:29,206 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:50:29,207 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:50:29,207 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:50:29,207 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:50:29,207 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:50:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-11-18 15:50:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:50:29,228 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:29,228 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 15:50:29,230 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:29,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:29,236 INFO L82 PathProgramCache]: Analyzing trace with hash -883925765, now seen corresponding path program 1 times [2018-11-18 15:50:29,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:29,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:29,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:29,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:29,271 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:29,451 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 15:50:29,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:29,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:50:29,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:29,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:50:29,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:50:29,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:50:29,466 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2018-11-18 15:50:29,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:29,488 INFO L93 Difference]: Finished difference Result 226 states and 281 transitions. [2018-11-18 15:50:29,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:50:29,489 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 15:50:29,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:29,496 INFO L225 Difference]: With dead ends: 226 [2018-11-18 15:50:29,496 INFO L226 Difference]: Without dead ends: 113 [2018-11-18 15:50:29,499 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 15:50:29,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-18 15:50:29,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-18 15:50:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-18 15:50:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 132 transitions. [2018-11-18 15:50:29,534 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 132 transitions. Word has length 52 [2018-11-18 15:50:29,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:29,534 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 132 transitions. [2018-11-18 15:50:29,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:50:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2018-11-18 15:50:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 15:50:29,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:29,537 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 15:50:29,537 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:29,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:29,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1174756609, now seen corresponding path program 1 times [2018-11-18 15:50:29,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:29,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:29,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:29,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:29,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:29,629 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 15:50:29,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:29,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:50:29,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:29,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:50:29,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:50:29,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:50:29,631 INFO L87 Difference]: Start difference. First operand 113 states and 132 transitions. Second operand 3 states. [2018-11-18 15:50:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:29,648 INFO L93 Difference]: Finished difference Result 173 states and 201 transitions. [2018-11-18 15:50:29,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:50:29,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 15:50:29,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:29,651 INFO L225 Difference]: With dead ends: 173 [2018-11-18 15:50:29,651 INFO L226 Difference]: Without dead ends: 103 [2018-11-18 15:50:29,652 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 15:50:29,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-18 15:50:29,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-18 15:50:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-18 15:50:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2018-11-18 15:50:29,660 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 54 [2018-11-18 15:50:29,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:29,660 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2018-11-18 15:50:29,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:50:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2018-11-18 15:50:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:50:29,663 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:29,663 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] [2018-11-18 15:50:29,663 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:29,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:29,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1505191714, now seen corresponding path program 1 times [2018-11-18 15:50:29,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:29,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:29,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:29,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:29,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:29,793 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 15:50:29,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:29,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:50:29,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:29,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:50:29,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:50:29,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:50:29,795 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand 7 states. [2018-11-18 15:50:30,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:30,053 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2018-11-18 15:50:30,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:50:30,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 15:50:30,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:30,055 INFO L225 Difference]: With dead ends: 182 [2018-11-18 15:50:30,055 INFO L226 Difference]: Without dead ends: 103 [2018-11-18 15:50:30,056 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:50:30,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-18 15:50:30,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-18 15:50:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-18 15:50:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-11-18 15:50:30,065 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 58 [2018-11-18 15:50:30,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:30,065 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-11-18 15:50:30,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:50:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-11-18 15:50:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 15:50:30,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:30,068 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] [2018-11-18 15:50:30,068 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:30,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:30,068 INFO L82 PathProgramCache]: Analyzing trace with hash -394775601, now seen corresponding path program 1 times [2018-11-18 15:50:30,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:30,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:30,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,069 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:30,151 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 15:50:30,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:30,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:50:30,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:30,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:50:30,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:50:30,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:50:30,152 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 5 states. [2018-11-18 15:50:30,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:30,495 INFO L93 Difference]: Finished difference Result 279 states and 335 transitions. [2018-11-18 15:50:30,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:50:30,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-18 15:50:30,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:30,497 INFO L225 Difference]: With dead ends: 279 [2018-11-18 15:50:30,498 INFO L226 Difference]: Without dead ends: 200 [2018-11-18 15:50:30,498 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 15:50:30,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-11-18 15:50:30,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 181. [2018-11-18 15:50:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-11-18 15:50:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 208 transitions. [2018-11-18 15:50:30,519 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 208 transitions. Word has length 66 [2018-11-18 15:50:30,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:30,519 INFO L480 AbstractCegarLoop]: Abstraction has 181 states and 208 transitions. [2018-11-18 15:50:30,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:50:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 208 transitions. [2018-11-18 15:50:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 15:50:30,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:30,522 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] [2018-11-18 15:50:30,524 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:30,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:30,524 INFO L82 PathProgramCache]: Analyzing trace with hash 890749068, now seen corresponding path program 1 times [2018-11-18 15:50:30,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:30,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:30,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:30,634 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 15:50:30,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:30,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:50:30,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:30,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:50:30,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:50:30,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:50:30,636 INFO L87 Difference]: Start difference. First operand 181 states and 208 transitions. Second operand 8 states. [2018-11-18 15:50:30,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:30,668 INFO L93 Difference]: Finished difference Result 345 states and 407 transitions. [2018-11-18 15:50:30,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:50:30,669 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2018-11-18 15:50:30,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:30,671 INFO L225 Difference]: With dead ends: 345 [2018-11-18 15:50:30,671 INFO L226 Difference]: Without dead ends: 188 [2018-11-18 15:50:30,673 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:50:30,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-11-18 15:50:30,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2018-11-18 15:50:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-11-18 15:50:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2018-11-18 15:50:30,687 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 80 [2018-11-18 15:50:30,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:30,687 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2018-11-18 15:50:30,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:50:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2018-11-18 15:50:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 15:50:30,688 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:30,688 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] [2018-11-18 15:50:30,688 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:30,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:30,690 INFO L82 PathProgramCache]: Analyzing trace with hash 963135626, now seen corresponding path program 1 times [2018-11-18 15:50:30,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:30,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:30,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:30,767 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 15:50:30,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:30,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:50:30,767 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:30,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:50:30,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:50:30,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:50:30,768 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 6 states. [2018-11-18 15:50:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:30,898 INFO L93 Difference]: Finished difference Result 453 states and 547 transitions. [2018-11-18 15:50:30,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:50:30,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-18 15:50:30,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:30,901 INFO L225 Difference]: With dead ends: 453 [2018-11-18 15:50:30,901 INFO L226 Difference]: Without dead ends: 292 [2018-11-18 15:50:30,902 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 15:50:30,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-11-18 15:50:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288. [2018-11-18 15:50:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-11-18 15:50:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 335 transitions. [2018-11-18 15:50:30,921 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 335 transitions. Word has length 80 [2018-11-18 15:50:30,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:30,922 INFO L480 AbstractCegarLoop]: Abstraction has 288 states and 335 transitions. [2018-11-18 15:50:30,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:50:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 335 transitions. [2018-11-18 15:50:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 15:50:30,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:30,923 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] [2018-11-18 15:50:30,924 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:30,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:30,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2026340976, now seen corresponding path program 1 times [2018-11-18 15:50:30,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:30,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:30,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:30,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:31,021 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 15:50:31,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:31,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:50:31,021 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:31,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:50:31,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:50:31,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:50:31,022 INFO L87 Difference]: Start difference. First operand 288 states and 335 transitions. Second operand 6 states. [2018-11-18 15:50:31,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:31,160 INFO L93 Difference]: Finished difference Result 601 states and 727 transitions. [2018-11-18 15:50:31,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:50:31,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-18 15:50:31,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:31,163 INFO L225 Difference]: With dead ends: 601 [2018-11-18 15:50:31,163 INFO L226 Difference]: Without dead ends: 440 [2018-11-18 15:50:31,164 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 15:50:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2018-11-18 15:50:31,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 422. [2018-11-18 15:50:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-11-18 15:50:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 502 transitions. [2018-11-18 15:50:31,185 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 502 transitions. Word has length 84 [2018-11-18 15:50:31,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:31,185 INFO L480 AbstractCegarLoop]: Abstraction has 422 states and 502 transitions. [2018-11-18 15:50:31,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:50:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 502 transitions. [2018-11-18 15:50:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 15:50:31,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:31,187 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] [2018-11-18 15:50:31,187 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:31,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:31,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1768961773, now seen corresponding path program 1 times [2018-11-18 15:50:31,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:31,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:31,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:31,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:31,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:31,256 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 15:50:31,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:31,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 15:50:31,257 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:31,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:50:31,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:50:31,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:50:31,258 INFO L87 Difference]: Start difference. First operand 422 states and 502 transitions. Second operand 9 states. [2018-11-18 15:50:31,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:31,304 INFO L93 Difference]: Finished difference Result 733 states and 883 transitions. [2018-11-18 15:50:31,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:50:31,304 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-11-18 15:50:31,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:31,306 INFO L225 Difference]: With dead ends: 733 [2018-11-18 15:50:31,306 INFO L226 Difference]: Without dead ends: 438 [2018-11-18 15:50:31,307 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 15:50:31,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-11-18 15:50:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2018-11-18 15:50:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-11-18 15:50:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 516 transitions. [2018-11-18 15:50:31,324 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 516 transitions. Word has length 84 [2018-11-18 15:50:31,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:31,325 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 516 transitions. [2018-11-18 15:50:31,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:50:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 516 transitions. [2018-11-18 15:50:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 15:50:31,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:31,326 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] [2018-11-18 15:50:31,326 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:31,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:31,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1696575215, now seen corresponding path program 1 times [2018-11-18 15:50:31,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:31,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:31,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:31,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:31,327 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:31,375 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 15:50:31,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:31,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:50:31,375 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:31,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:50:31,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:50:31,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:50:31,376 INFO L87 Difference]: Start difference. First operand 435 states and 516 transitions. Second operand 5 states. [2018-11-18 15:50:31,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:31,400 INFO L93 Difference]: Finished difference Result 702 states and 850 transitions. [2018-11-18 15:50:31,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:50:31,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-18 15:50:31,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:31,405 INFO L225 Difference]: With dead ends: 702 [2018-11-18 15:50:31,405 INFO L226 Difference]: Without dead ends: 394 [2018-11-18 15:50:31,406 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 15:50:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2018-11-18 15:50:31,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2018-11-18 15:50:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-11-18 15:50:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 465 transitions. [2018-11-18 15:50:31,420 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 465 transitions. Word has length 84 [2018-11-18 15:50:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:31,421 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 465 transitions. [2018-11-18 15:50:31,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:50:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 465 transitions. [2018-11-18 15:50:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 15:50:31,422 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:31,422 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 15:50:31,423 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:31,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:31,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1533388571, now seen corresponding path program 1 times [2018-11-18 15:50:31,423 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:31,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:31,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:31,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:31,424 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:31,499 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 15:50:31,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:31,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 15:50:31,500 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:31,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:50:31,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:50:31,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:50:31,500 INFO L87 Difference]: Start difference. First operand 394 states and 465 transitions. Second operand 10 states. [2018-11-18 15:50:31,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:31,698 INFO L93 Difference]: Finished difference Result 765 states and 908 transitions. [2018-11-18 15:50:31,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:50:31,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-11-18 15:50:31,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:31,700 INFO L225 Difference]: With dead ends: 765 [2018-11-18 15:50:31,700 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:50:31,701 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 15:50:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:50:31,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:50:31,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:50:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:50:31,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2018-11-18 15:50:31,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:31,702 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:50:31,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:50:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:50:31,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:50:31,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:50:32,757 INFO L421 ceAbstractionStarter]: At program point L736(line 736) 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 15:50:32,757 INFO L421 ceAbstractionStarter]: At program point L732(line 732) 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 15:50:32,758 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 738) no Hoare annotation was computed. [2018-11-18 15:50:32,758 INFO L421 ceAbstractionStarter]: At program point L728(line 728) 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 15:50:32,758 INFO L425 ceAbstractionStarter]: For program point L728-1(line 728) no Hoare annotation was computed. [2018-11-18 15:50:32,758 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2018-11-18 15:50:32,758 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 743) no Hoare annotation was computed. [2018-11-18 15:50:32,758 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 722 746) 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 15:50:32,758 INFO L421 ceAbstractionStarter]: At program point L741(line 741) 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 15:50:32,758 INFO L425 ceAbstractionStarter]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2018-11-18 15:50:32,759 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-18 15:50:32,759 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-18 15:50:32,759 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-18 15:50:32,759 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-18 15:50:32,759 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2018-11-18 15:50:32,759 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2018-11-18 15:50:32,759 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2018-11-18 15:50:32,759 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2018-11-18 15:50:32,759 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2018-11-18 15:50:32,759 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2018-11-18 15:50:32,759 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2018-11-18 15:50:32,760 INFO L421 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0))) [2018-11-18 15:50:32,760 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,760 INFO L421 ceAbstractionStarter]: At program point L671(lines 628 673) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0))) [2018-11-18 15:50:32,760 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 644) no Hoare annotation was computed. [2018-11-18 15:50:32,760 INFO L425 ceAbstractionStarter]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2018-11-18 15:50:32,760 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2018-11-18 15:50:32,760 INFO L425 ceAbstractionStarter]: For program point L630(lines 630 634) no Hoare annotation was computed. [2018-11-18 15:50:32,760 INFO L425 ceAbstractionStarter]: For program point L628-1(lines 628 673) no Hoare annotation was computed. [2018-11-18 15:50:32,761 INFO L421 ceAbstractionStarter]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,761 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 668) no Hoare annotation was computed. [2018-11-18 15:50:32,761 INFO L421 ceAbstractionStarter]: At program point L664-2(lines 658 669) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) .cse0))) [2018-11-18 15:50:32,761 INFO L425 ceAbstractionStarter]: For program point L629(lines 628 673) no Hoare annotation was computed. [2018-11-18 15:50:32,761 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 669) no Hoare annotation was computed. [2018-11-18 15:50:32,761 INFO L421 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) .cse0))) [2018-11-18 15:50:32,761 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 654) no Hoare annotation was computed. [2018-11-18 15:50:32,761 INFO L425 ceAbstractionStarter]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2018-11-18 15:50:32,761 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2018-11-18 15:50:32,762 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,762 INFO L421 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,762 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,762 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-11-18 15:50:32,762 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-11-18 15:50:32,762 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,762 INFO L421 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,762 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L421 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2018-11-18 15:50:32,763 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2018-11-18 15:50:32,764 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:50:32,764 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2018-11-18 15:50:32,764 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-11-18 15:50:32,764 INFO L428 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: true [2018-11-18 15:50:32,764 INFO L425 ceAbstractionStarter]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2018-11-18 15:50:32,764 INFO L425 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2018-11-18 15:50:32,764 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2018-11-18 15:50:32,764 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2018-11-18 15:50:32,764 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-18 15:50:32,764 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-18 15:50:32,764 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-18 15:50:32,765 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 15:50:32,765 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-18 15:50:32,765 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 15:50:32,765 INFO L421 ceAbstractionStarter]: At program point L703(line 703) 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 15:50:32,765 INFO L421 ceAbstractionStarter]: At program point L701(lines 701 707) 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 15:50:32,765 INFO L421 ceAbstractionStarter]: At program point L696(line 696) 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 15:50:32,766 INFO L425 ceAbstractionStarter]: For program point L694(lines 693 712) no Hoare annotation was computed. [2018-11-18 15:50:32,766 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 690 713) 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 15:50:32,766 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2018-11-18 15:50:32,766 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2018-11-18 15:50:32,766 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-11-18 15:50:32,766 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-18 15:50:32,766 INFO L428 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-11-18 15:50:32,766 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 153 167) no Hoare annotation was computed. [2018-11-18 15:50:32,767 INFO L428 ceAbstractionStarter]: At program point L153-3(lines 153 167) the Hoare annotation is: true [2018-11-18 15:50:32,767 INFO L428 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-11-18 15:50:32,767 INFO L425 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-11-18 15:50:32,767 INFO L428 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-11-18 15:50:32,767 INFO L425 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-18 15:50:32,767 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-11-18 15:50:32,767 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 15:50:32,767 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 15:50:32,767 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 15:50:32,768 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 15:50:32,768 INFO L421 ceAbstractionStarter]: At program point L862(line 862) 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 15:50:32,768 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2018-11-18 15:50:32,768 INFO L425 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-11-18 15:50:32,768 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2018-11-18 15:50:32,768 INFO L421 ceAbstractionStarter]: At program point L856(line 856) 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 15:50:32,768 INFO L425 ceAbstractionStarter]: For program point L856-1(line 856) no Hoare annotation was computed. [2018-11-18 15:50:32,768 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 867) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L425 ceAbstractionStarter]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L428 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: true [2018-11-18 15:50:32,769 INFO L425 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 868) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L428 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: true [2018-11-18 15:50:32,769 INFO L425 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,769 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2018-11-18 15:50:32,769 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2018-11-18 15:50:32,770 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-11-18 15:50:32,770 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-11-18 15:50:32,770 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:50:32,770 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 15:50:32,770 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:50:32,770 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:50:32,770 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 15:50:32,770 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 15:50:32,770 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) 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 15:50:32,770 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2018-11-18 15:50:32,771 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2018-11-18 15:50:32,771 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2018-11-18 15:50:32,771 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2018-11-18 15:50:32,771 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:50:32,771 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-11-18 15:50:32,771 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-11-18 15:50:32,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:50:32 BoogieIcfgContainer [2018-11-18 15:50:32,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:50:32,784 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:50:32,784 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:50:32,784 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:50:32,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:50:29" (3/4) ... [2018-11-18 15:50:32,788 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:50:32,794 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:50:32,794 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:50:32,794 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:50:32,794 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:50:32,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:50:32,796 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 15:50:32,796 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:50:32,796 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:50:32,796 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:50:32,796 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:50:32,796 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:50:32,796 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:50:32,803 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 15:50:32,803 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:50:32,804 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:50:32,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((!(waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (pumpRunning == 1 && splverifierCounter == 0) [2018-11-18 15:50:32,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 15:50:32,864 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f45ce9d7-180f-4172-a0d4-43a9d079d8d6/bin-2019/utaipan/witness.graphml [2018-11-18 15:50:32,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:50:32,864 INFO L168 Benchmark]: Toolchain (without parser) took 4623.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 956.6 MB in the beginning and 874.0 MB in the end (delta: 82.6 MB). Peak memory consumption was 271.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:32,865 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:32,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:32,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:32,866 INFO L168 Benchmark]: Boogie Preprocessor took 29.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:32,866 INFO L168 Benchmark]: RCFGBuilder took 500.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:32,867 INFO L168 Benchmark]: TraceAbstraction took 3632.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 884.1 MB in the end (delta: 180.5 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:32,867 INFO L168 Benchmark]: Witness Printer took 79.56 ms. Allocated memory is still 1.2 GB. Free memory was 884.1 MB in the beginning and 874.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:32,869 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 500.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3632.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 884.1 MB in the end (delta: 180.5 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. * Witness Printer took 79.56 ms. Allocated memory is still 1.2 GB. Free memory was 884.1 MB in the beginning and 874.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: 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: 628]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((!(waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (pumpRunning == 1 && splverifierCounter == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 126 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1284 SDtfs, 598 SDslu, 4297 SDs, 0 SdLazy, 638 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=435occurred in iteration=8, 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, 10 MinimizatonAttempts, 47 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 778 PreInvPairs, 829 NumberOfFragments, 837 HoareAnnotationTreeSize, 778 FomulaSimplifications, 509 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 3038 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 717 ConstructedInterpolants, 0 QuantifiedInterpolants, 81160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...