./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/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 ae55322c9e2147e3768d03287d4758f350a7d088 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:06:00,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:06:00,604 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:06:00,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:06:00,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:06:00,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:06:00,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:06:00,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:06:00,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:06:00,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:06:00,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:06:00,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:06:00,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:06:00,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:06:00,620 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:06:00,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:06:00,621 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:06:00,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:06:00,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:06:00,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:06:00,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:06:00,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:06:00,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:06:00,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:06:00,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:06:00,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:06:00,631 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:06:00,631 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:06:00,632 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:06:00,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:06:00,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:06:00,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:06:00,633 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:06:00,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:06:00,635 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:06:00,635 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:06:00,635 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:06:00,648 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:06:00,648 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:06:00,648 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:06:00,649 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:06:00,649 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:06:00,650 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:06:00,653 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:06:00,653 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:06:00,654 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:06:00,655 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:06:00,655 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:06:00,655 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:06:00,655 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:06:00,655 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:06:00,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:06:00,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:06:00,655 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:06:00,655 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:06:00,656 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:06:00,657 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:06:00,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:06:00,657 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:06:00,657 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_f4c98702-6390-4248-b522-56f4a0227bcc/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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2018-11-18 15:06:00,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:06:00,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:06:00,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:06:00,716 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:06:00,716 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:06:00,717 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-18 15:06:00,765 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/data/467dbe889/cb7210a12a1e4375892930750853a19d/FLAG4eda5f6cd [2018-11-18 15:06:01,202 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:06:01,202 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-18 15:06:01,212 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/data/467dbe889/cb7210a12a1e4375892930750853a19d/FLAG4eda5f6cd [2018-11-18 15:06:01,567 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/data/467dbe889/cb7210a12a1e4375892930750853a19d [2018-11-18 15:06:01,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:06:01,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:06:01,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:06:01,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:06:01,573 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:06:01,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:06:01" (1/1) ... [2018-11-18 15:06:01,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da3e83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:01, skipping insertion in model container [2018-11-18 15:06:01,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:06:01" (1/1) ... [2018-11-18 15:06:01,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:06:01,634 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:06:01,864 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:06:01,872 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:06:02,001 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:06:02,020 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:06:02,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02 WrapperNode [2018-11-18 15:06:02,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:06:02,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:06:02,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:06:02,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:06:02,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:06:02,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:06:02,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:06:02,043 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:06:02,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... [2018-11-18 15:06:02,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:06:02,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:06:02,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:06:02,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:06:02,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/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 15:06:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:06:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:06:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:06:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:06:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:06:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:06:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:06:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:06:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:06:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:06:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:06:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:06:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:06:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:06:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:06:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:06:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:06:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:06:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:06:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:06:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:06:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:06:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:06:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:06:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:06:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:06:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:06:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 15:06:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 15:06:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:06:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:06:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:06:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:06:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:06:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:06:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:06:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:06:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:06:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:06:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:06:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:06:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:06:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:06:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:06:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:06:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:06:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:06:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:06:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:06:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:06:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:06:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:06:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:06:02,854 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:06:02,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:06:02 BoogieIcfgContainer [2018-11-18 15:06:02,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:06:02,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:06:02,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:06:02,858 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:06:02,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:06:01" (1/3) ... [2018-11-18 15:06:02,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346e0a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:06:02, skipping insertion in model container [2018-11-18 15:06:02,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:06:02" (2/3) ... [2018-11-18 15:06:02,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346e0a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:06:02, skipping insertion in model container [2018-11-18 15:06:02,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:06:02" (3/3) ... [2018-11-18 15:06:02,861 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-18 15:06:02,869 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:06:02,879 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:06:02,892 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:06:02,913 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:06:02,913 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:06:02,913 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:06:02,913 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:06:02,914 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:06:02,914 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:06:02,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:06:02,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:06:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-11-18 15:06:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 15:06:02,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:02,940 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:06:02,942 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:02,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:02,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1705092635, now seen corresponding path program 1 times [2018-11-18 15:06:02,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:02,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:02,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:02,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:02,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:03,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:03,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:06:03,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:03,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:06:03,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:06:03,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:06:03,186 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-11-18 15:06:03,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:03,215 INFO L93 Difference]: Finished difference Result 238 states and 295 transitions. [2018-11-18 15:06:03,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:06:03,216 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 15:06:03,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:03,224 INFO L225 Difference]: With dead ends: 238 [2018-11-18 15:06:03,224 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 15:06:03,227 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 15:06:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 15:06:03,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-18 15:06:03,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 15:06:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2018-11-18 15:06:03,269 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 59 [2018-11-18 15:06:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:03,270 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2018-11-18 15:06:03,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:06:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2018-11-18 15:06:03,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 15:06:03,273 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:03,273 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:06:03,274 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:03,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:03,274 INFO L82 PathProgramCache]: Analyzing trace with hash 472248820, now seen corresponding path program 1 times [2018-11-18 15:06:03,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:03,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:03,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:03,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:03,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:03,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:03,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:06:03,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:03,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:06:03,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:06:03,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:06:03,430 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2018-11-18 15:06:03,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:03,463 INFO L93 Difference]: Finished difference Result 181 states and 211 transitions. [2018-11-18 15:06:03,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:06:03,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 15:06:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:03,465 INFO L225 Difference]: With dead ends: 181 [2018-11-18 15:06:03,465 INFO L226 Difference]: Without dead ends: 111 [2018-11-18 15:06:03,466 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 15:06:03,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-18 15:06:03,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-18 15:06:03,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 15:06:03,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2018-11-18 15:06:03,474 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 61 [2018-11-18 15:06:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:03,474 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2018-11-18 15:06:03,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:06:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2018-11-18 15:06:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 15:06:03,476 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:03,476 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:03,476 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:03,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:03,477 INFO L82 PathProgramCache]: Analyzing trace with hash -73646890, now seen corresponding path program 1 times [2018-11-18 15:06:03,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:03,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:03,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:03,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:03,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:03,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:03,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:06:03,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:03,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:06:03,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:06:03,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:06:03,817 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 7 states. [2018-11-18 15:06:04,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:04,327 INFO L93 Difference]: Finished difference Result 194 states and 229 transitions. [2018-11-18 15:06:04,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:06:04,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 15:06:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:04,330 INFO L225 Difference]: With dead ends: 194 [2018-11-18 15:06:04,330 INFO L226 Difference]: Without dead ends: 111 [2018-11-18 15:06:04,331 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:06:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-18 15:06:04,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-18 15:06:04,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 15:06:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2018-11-18 15:06:04,341 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 66 [2018-11-18 15:06:04,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:04,342 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2018-11-18 15:06:04,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:06:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2018-11-18 15:06:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 15:06:04,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:04,345 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:04,345 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:04,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:04,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1865463013, now seen corresponding path program 1 times [2018-11-18 15:06:04,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:04,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:04,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:04,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:04,346 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:04,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:04,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:06:04,702 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:04,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:06:04,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:06:04,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:06:04,703 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand 5 states. [2018-11-18 15:06:05,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:05,467 INFO L93 Difference]: Finished difference Result 291 states and 351 transitions. [2018-11-18 15:06:05,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:06:05,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-18 15:06:05,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:05,471 INFO L225 Difference]: With dead ends: 291 [2018-11-18 15:06:05,471 INFO L226 Difference]: Without dead ends: 208 [2018-11-18 15:06:05,472 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:06:05,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-11-18 15:06:05,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 188. [2018-11-18 15:06:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-11-18 15:06:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 217 transitions. [2018-11-18 15:06:05,490 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 217 transitions. Word has length 74 [2018-11-18 15:06:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:05,491 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 217 transitions. [2018-11-18 15:06:05,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:06:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 217 transitions. [2018-11-18 15:06:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 15:06:05,492 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:05,492 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:05,492 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:05,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:05,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1381461377, now seen corresponding path program 1 times [2018-11-18 15:06:05,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:05,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:05,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:05,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:05,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:05,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:05,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:06:05,590 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:05,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:06:05,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:06:05,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:06:05,592 INFO L87 Difference]: Start difference. First operand 188 states and 217 transitions. Second operand 8 states. [2018-11-18 15:06:05,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:05,650 INFO L93 Difference]: Finished difference Result 355 states and 421 transitions. [2018-11-18 15:06:05,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:06:05,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-18 15:06:05,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:05,653 INFO L225 Difference]: With dead ends: 355 [2018-11-18 15:06:05,654 INFO L226 Difference]: Without dead ends: 195 [2018-11-18 15:06:05,655 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 15:06:05,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-11-18 15:06:05,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2018-11-18 15:06:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-11-18 15:06:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 221 transitions. [2018-11-18 15:06:05,674 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 221 transitions. Word has length 88 [2018-11-18 15:06:05,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:05,675 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 221 transitions. [2018-11-18 15:06:05,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:06:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 221 transitions. [2018-11-18 15:06:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 15:06:05,677 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:05,677 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:05,677 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:05,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:05,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1890934467, now seen corresponding path program 1 times [2018-11-18 15:06:05,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:05,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:05,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:05,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:05,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:06:05,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:05,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:06:05,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:05,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:06:05,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:06:05,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:06:05,823 INFO L87 Difference]: Start difference. First operand 192 states and 221 transitions. Second operand 7 states. [2018-11-18 15:06:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:06,413 INFO L93 Difference]: Finished difference Result 375 states and 445 transitions. [2018-11-18 15:06:06,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:06:06,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-18 15:06:06,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:06,414 INFO L225 Difference]: With dead ends: 375 [2018-11-18 15:06:06,414 INFO L226 Difference]: Without dead ends: 211 [2018-11-18 15:06:06,415 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:06:06,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-18 15:06:06,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 191. [2018-11-18 15:06:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-11-18 15:06:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 218 transitions. [2018-11-18 15:06:06,426 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 218 transitions. Word has length 88 [2018-11-18 15:06:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:06,426 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 218 transitions. [2018-11-18 15:06:06,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:06:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 218 transitions. [2018-11-18 15:06:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 15:06:06,428 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:06,428 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:06,428 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:06,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:06,428 INFO L82 PathProgramCache]: Analyzing trace with hash 227653352, now seen corresponding path program 1 times [2018-11-18 15:06:06,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:06,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:06,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:06,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:06,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:06,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:06,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:06:06,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:06,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:06:06,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:06:06,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:06:06,499 INFO L87 Difference]: Start difference. First operand 191 states and 218 transitions. Second operand 6 states. [2018-11-18 15:06:06,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:06,527 INFO L93 Difference]: Finished difference Result 359 states and 417 transitions. [2018-11-18 15:06:06,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:06:06,527 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 15:06:06,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:06,528 INFO L225 Difference]: With dead ends: 359 [2018-11-18 15:06:06,528 INFO L226 Difference]: Without dead ends: 196 [2018-11-18 15:06:06,529 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:06:06,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-18 15:06:06,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-11-18 15:06:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-11-18 15:06:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 223 transitions. [2018-11-18 15:06:06,540 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 223 transitions. Word has length 89 [2018-11-18 15:06:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:06,541 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 223 transitions. [2018-11-18 15:06:06,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:06:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 223 transitions. [2018-11-18 15:06:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 15:06:06,542 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:06,542 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:06,542 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:06,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:06,542 INFO L82 PathProgramCache]: Analyzing trace with hash -569820181, now seen corresponding path program 1 times [2018-11-18 15:06:06,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:06,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:06,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:06,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:06,543 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:06,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:06,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:06:06,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:06,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:06:06,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:06:06,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:06:06,696 INFO L87 Difference]: Start difference. First operand 196 states and 223 transitions. Second operand 4 states. [2018-11-18 15:06:06,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:06,906 INFO L93 Difference]: Finished difference Result 569 states and 678 transitions. [2018-11-18 15:06:06,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:06:06,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-18 15:06:06,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:06,908 INFO L225 Difference]: With dead ends: 569 [2018-11-18 15:06:06,908 INFO L226 Difference]: Without dead ends: 401 [2018-11-18 15:06:06,909 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:06:06,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-18 15:06:06,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 392. [2018-11-18 15:06:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2018-11-18 15:06:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 456 transitions. [2018-11-18 15:06:06,935 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 456 transitions. Word has length 89 [2018-11-18 15:06:06,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:06,935 INFO L480 AbstractCegarLoop]: Abstraction has 392 states and 456 transitions. [2018-11-18 15:06:06,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:06:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 456 transitions. [2018-11-18 15:06:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 15:06:06,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:06,937 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:06,937 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:06,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:06,937 INFO L82 PathProgramCache]: Analyzing trace with hash -496440283, now seen corresponding path program 1 times [2018-11-18 15:06:06,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:06,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:06,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:06,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:06,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:07,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:06:07,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:06:07,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 15:06:07,106 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:06:07,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:06:07,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:06:07,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:06:07,107 INFO L87 Difference]: Start difference. First operand 392 states and 456 transitions. Second operand 9 states. [2018-11-18 15:06:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:07,950 INFO L93 Difference]: Finished difference Result 1035 states and 1256 transitions. [2018-11-18 15:06:07,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 15:06:07,951 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-11-18 15:06:07,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:07,954 INFO L225 Difference]: With dead ends: 1035 [2018-11-18 15:06:07,954 INFO L226 Difference]: Without dead ends: 739 [2018-11-18 15:06:07,955 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:06:07,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-18 15:06:07,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 661. [2018-11-18 15:06:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-11-18 15:06:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 760 transitions. [2018-11-18 15:06:07,987 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 760 transitions. Word has length 93 [2018-11-18 15:06:07,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:07,987 INFO L480 AbstractCegarLoop]: Abstraction has 661 states and 760 transitions. [2018-11-18 15:06:07,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:06:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 760 transitions. [2018-11-18 15:06:07,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 15:06:07,988 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:06:07,989 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:07,990 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:06:07,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:07,990 INFO L82 PathProgramCache]: Analyzing trace with hash -419311544, now seen corresponding path program 1 times [2018-11-18 15:06:07,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:06:07,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:07,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:07,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:06:07,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:06:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:06:08,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:06:08,110 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:06:08,110 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-18 15:06:08,112 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [57], [59], [62], [69], [72], [73], [77], [78], [79], [80], [84], [90], [94], [98], [101], [104], [106], [112], [114], [120], [123], [133], [134], [135], [136], [137], [139], [144], [146], [147], [148], [149], [187], [190], [194], [200], [203], [207], [208], [216], [220], [221], [224], [225], [226], [227], [228], [229], [230], [232], [233], [234], [235], [236], [237], [238], [239], [240], [242], [243], [244], [246], [247], [248], [249], [252], [253], [254], [255], [260], [261], [264], [265], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280] [2018-11-18 15:06:08,143 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:06:08,144 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:06:09,766 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:06:09,767 INFO L272 AbstractInterpreter]: Visited 106 different actions 438 times. Merged at 17 different actions 48 times. Never widened. Performed 15729 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15729 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 15:06:09,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:06:09,824 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:06:09,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:06:09,824 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:06:09,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:06:09,837 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:06:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:06:09,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:06:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:06:10,560 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:06:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:06:11,108 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:06:11,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 15:06:11,109 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:06:11,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 15:06:11,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 15:06:11,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:06:11,110 INFO L87 Difference]: Start difference. First operand 661 states and 760 transitions. Second operand 16 states. [2018-11-18 15:06:12,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:12,479 INFO L93 Difference]: Finished difference Result 1046 states and 1222 transitions. [2018-11-18 15:06:12,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 15:06:12,479 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 138 [2018-11-18 15:06:12,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:12,480 INFO L225 Difference]: With dead ends: 1046 [2018-11-18 15:06:12,480 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:06:12,482 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 267 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2018-11-18 15:06:12,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:06:12,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:06:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:06:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:06:12,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-11-18 15:06:12,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:12,483 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:06:12,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 15:06:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:06:12,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:06:12,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:06:12,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:12,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:12,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:12,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:13,058 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-18 15:06:13,414 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-11-18 15:06:13,939 WARN L180 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2018-11-18 15:06:14,062 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2018-11-18 15:06:14,364 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2018-11-18 15:06:14,866 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-11-18 15:06:15,173 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 15:06:15,174 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 15:06:15,174 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2018-11-18 15:06:15,174 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2018-11-18 15:06:15,174 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-11-18 15:06:15,175 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L425 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L421 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-11-18 15:06:15,175 INFO L425 ceAbstractionStarter]: For program point L822-1(line 822) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L425 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L425 ceAbstractionStarter]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L428 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-11-18 15:06:15,175 INFO L425 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2018-11-18 15:06:15,175 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2018-11-18 15:06:15,175 INFO L421 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:06:15,176 INFO L421 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:06:15,176 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:06:15,176 INFO L425 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-11-18 15:06:15,176 INFO L425 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2018-11-18 15:06:15,176 INFO L425 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2018-11-18 15:06:15,176 INFO L421 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:06:15,176 INFO L421 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:06:15,176 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2018-11-18 15:06:15,176 INFO L421 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:06:15,176 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2018-11-18 15:06:15,176 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2018-11-18 15:06:15,177 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2018-11-18 15:06:15,177 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2018-11-18 15:06:15,177 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 15:06:15,177 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 15:06:15,177 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:06:15,177 INFO L421 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:06:15,178 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2018-11-18 15:06:15,178 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2018-11-18 15:06:15,178 INFO L425 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-11-18 15:06:15,178 INFO L425 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2018-11-18 15:06:15,178 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2018-11-18 15:06:15,178 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 668 692) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 15:06:15,179 INFO L421 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 15:06:15,179 INFO L425 ceAbstractionStarter]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2018-11-18 15:06:15,179 INFO L421 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse3 (and (= processEnvironment_~tmp~4 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse3 .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-18 15:06:15,179 INFO L421 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-18 15:06:15,179 INFO L425 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2018-11-18 15:06:15,179 INFO L421 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 15:06:15,179 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-11-18 15:06:15,179 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2018-11-18 15:06:15,179 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2018-11-18 15:06:15,179 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2018-11-18 15:06:15,179 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2018-11-18 15:06:15,180 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2018-11-18 15:06:15,180 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:06:15,180 INFO L425 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2018-11-18 15:06:15,180 INFO L421 ceAbstractionStarter]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 15:06:15,180 INFO L425 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-11-18 15:06:15,180 INFO L421 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 15:06:15,180 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2018-11-18 15:06:15,180 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-11-18 15:06:15,180 INFO L421 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 15:06:15,180 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-11-18 15:06:15,180 INFO L425 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L421 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 15:06:15,181 INFO L421 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 567 614) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L421 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2018-11-18 15:06:15,181 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L428 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2018-11-18 15:06:15,182 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: true [2018-11-18 15:06:15,182 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L428 ceAbstractionStarter]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point L853-1(lines 853 867) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L428 ceAbstractionStarter]: At program point L853-3(lines 853 867) the Hoare annotation is: true [2018-11-18 15:06:15,183 INFO L428 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L428 ceAbstractionStarter]: At program point L868(lines 843 872) the Hoare annotation is: true [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point L640(lines 636 658) no Hoare annotation was computed. [2018-11-18 15:06:15,183 INFO L425 ceAbstractionStarter]: For program point L638(lines 636 658) no Hoare annotation was computed. [2018-11-18 15:06:15,184 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 1)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (or .cse4 .cse2 .cse10)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse5 .cse6) (or .cse4 (and .cse7 (= 1 ~waterLevel~0)) .cse2 .cse5) (or (and .cse8 .cse6) .cse1 .cse2 .cse3) (or (and .cse7 .cse0) .cse9) (or (or .cse2 .cse10) .cse1 (and .cse8 .cse0)) (or .cse3 .cse9 .cse6)))) [2018-11-18 15:06:15,184 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2018-11-18 15:06:15,184 INFO L421 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-11-18 15:06:15,184 INFO L421 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-11-18 15:06:15,184 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2018-11-18 15:06:15,184 INFO L421 ceAbstractionStarter]: At program point L642(line 642) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-18 15:06:15,184 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2018-11-18 15:06:15,184 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2018-11-18 15:06:15,185 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:06:15,185 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 15:06:15,185 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2018-11-18 15:06:15,185 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (or .cse2 .cse4) .cse3 .cse1) (or .cse1 (or .cse0 .cse2 .cse4)))) [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2018-11-18 15:06:15,185 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2018-11-18 15:06:15,186 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-11-18 15:06:15,186 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-18 15:06:15,186 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-18 15:06:15,186 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-18 15:06:15,186 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-18 15:06:15,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:06:15 BoogieIcfgContainer [2018-11-18 15:06:15,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:06:15,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:06:15,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:06:15,200 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:06:15,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:06:02" (3/4) ... [2018-11-18 15:06:15,204 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:06:15,221 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:06:15,222 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:06:15,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:06:15,224 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 15:06:15,224 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:06:15,224 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:06:15,229 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 15:06:15,230 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:06:15,230 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:06:15,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-11-18 15:06:15,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 15:06:15,294 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4c98702-6390-4248-b522-56f4a0227bcc/bin-2019/utaipan/witness.graphml [2018-11-18 15:06:15,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:06:15,295 INFO L168 Benchmark]: Toolchain (without parser) took 13725.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 280.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:15,295 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:06:15,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:15,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:15,296 INFO L168 Benchmark]: Boogie Preprocessor took 28.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:06:15,296 INFO L168 Benchmark]: RCFGBuilder took 783.18 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: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:15,296 INFO L168 Benchmark]: TraceAbstraction took 12344.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 286.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -44.9 MB). Peak memory consumption was 440.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:15,297 INFO L168 Benchmark]: Witness Printer took 94.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:15,302 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 450.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 783.18 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: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12344.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 286.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -44.9 MB). Peak memory consumption was 440.2 MB. Max. memory is 11.5 GB. * Witness Printer took 94.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 134 locations, 1 error locations. SAFE Result, 12.2s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1565 SDtfs, 1182 SDslu, 4326 SDs, 0 SdLazy, 2099 SolverSat, 440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 311 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=661occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 130 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 806 PreInvPairs, 874 NumberOfFragments, 1725 HoareAnnotationTreeSize, 806 FomulaSimplifications, 2429 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5152 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 983 NumberOfCodeBlocks, 983 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 198512 SizeOfPredicates, 4 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 124/147 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...