./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/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 0140910feaef212f3eb8993aa9e49d2064d898fa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:24:06,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:24:06,720 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:24:06,728 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:24:06,729 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:24:06,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:24:06,730 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:24:06,731 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:24:06,732 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:24:06,733 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:24:06,734 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:24:06,734 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:24:06,735 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:24:06,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:24:06,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:24:06,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:24:06,738 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:24:06,740 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:24:06,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:24:06,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:24:06,743 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:24:06,744 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:24:06,747 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:24:06,747 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:24:06,747 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:24:06,748 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:24:06,748 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:24:06,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:24:06,750 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:24:06,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:24:06,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:24:06,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:24:06,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:24:06,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:24:06,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:24:06,754 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:24:06,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 16:24:06,766 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:24:06,766 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:24:06,767 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:24:06,767 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:24:06,767 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:24:06,767 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:24:06,767 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:24:06,767 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 16:24:06,767 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:24:06,768 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:24:06,768 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 16:24:06,768 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 16:24:06,768 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:24:06,770 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:24:06,770 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:24:06,770 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:24:06,771 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:24:06,771 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:24:06,771 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:24:06,771 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:24:06,771 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:24:06,771 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:24:06,771 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:24:06,772 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:24:06,772 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:24:06,772 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:24:06,772 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:24:06,772 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:24:06,772 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:24:06,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:24:06,773 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:24:06,773 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:24:06,773 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:24:06,773 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 16:24:06,773 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:24:06,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:24:06,774 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 16:24:06,774 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_fe522fa5-d70e-4801-bdc7-cf40e2cba145/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 -> 0140910feaef212f3eb8993aa9e49d2064d898fa [2018-11-23 16:24:06,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:24:06,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:24:06,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:24:06,814 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:24:06,814 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:24:06,815 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-23 16:24:06,862 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/data/a73e14444/7f3d149b8bbd42cd9bc26ad102d804bf/FLAGb23100701 [2018-11-23 16:24:07,231 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:24:07,232 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-23 16:24:07,240 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/data/a73e14444/7f3d149b8bbd42cd9bc26ad102d804bf/FLAGb23100701 [2018-11-23 16:24:07,626 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/data/a73e14444/7f3d149b8bbd42cd9bc26ad102d804bf [2018-11-23 16:24:07,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:24:07,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:24:07,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:24:07,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:24:07,634 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:24:07,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:24:07" (1/1) ... [2018-11-23 16:24:07,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:07, skipping insertion in model container [2018-11-23 16:24:07,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:24:07" (1/1) ... [2018-11-23 16:24:07,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:24:07,686 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:24:07,950 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:24:07,961 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:24:08,084 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:24:08,109 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:24:08,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08 WrapperNode [2018-11-23 16:24:08,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:24:08,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:24:08,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:24:08,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:24:08,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:24:08,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:24:08,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:24:08,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:24:08,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... [2018-11-23 16:24:08,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:24:08,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:24:08,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:24:08,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:24:08,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/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 [2018-11-23 16:24:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 16:24:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 16:24:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:24:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:24:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 16:24:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 16:24:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 16:24:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 16:24:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:24:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 16:24:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 16:24:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 16:24:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 16:24:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 16:24:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 16:24:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 16:24:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 16:24:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 16:24:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 16:24:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 16:24:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 16:24:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 16:24:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 16:24:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 16:24:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 16:24:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 16:24:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 16:24:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 16:24:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:24:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:24:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 16:24:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 16:24:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 16:24:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 16:24:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 16:24:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 16:24:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 16:24:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 16:24:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 16:24:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 16:24:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 16:24:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 16:24:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 16:24:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 16:24:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 16:24:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 16:24:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 16:24:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 16:24:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 16:24:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:24:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:24:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 16:24:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 16:24:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 16:24:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 16:24:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:24:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:24:08,693 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:24:08,693 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 16:24:08,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:24:08 BoogieIcfgContainer [2018-11-23 16:24:08,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:24:08,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:24:08,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:24:08,698 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:24:08,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:24:07" (1/3) ... [2018-11-23 16:24:08,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c95860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:24:08, skipping insertion in model container [2018-11-23 16:24:08,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:24:08" (2/3) ... [2018-11-23 16:24:08,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c95860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:24:08, skipping insertion in model container [2018-11-23 16:24:08,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:24:08" (3/3) ... [2018-11-23 16:24:08,701 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-23 16:24:08,710 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:24:08,717 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:24:08,731 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:24:08,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:24:08,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:24:08,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:24:08,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:24:08,760 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:24:08,761 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:24:08,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:24:08,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:24:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-11-23 16:24:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 16:24:08,788 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:08,789 INFO L402 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] [2018-11-23 16:24:08,791 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:08,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:08,796 INFO L82 PathProgramCache]: Analyzing trace with hash -616931647, now seen corresponding path program 1 times [2018-11-23 16:24:08,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:08,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:08,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:08,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:08,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:24:09,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:09,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:24:09,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:09,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:24:09,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:24:09,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:24:09,037 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-11-23 16:24:09,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:09,066 INFO L93 Difference]: Finished difference Result 284 states and 353 transitions. [2018-11-23 16:24:09,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:24:09,067 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 16:24:09,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:09,076 INFO L225 Difference]: With dead ends: 284 [2018-11-23 16:24:09,076 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 16:24:09,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:24:09,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 16:24:09,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 16:24:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 16:24:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2018-11-23 16:24:09,128 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2018-11-23 16:24:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:09,129 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2018-11-23 16:24:09,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:24:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2018-11-23 16:24:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 16:24:09,131 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:09,131 INFO L402 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] [2018-11-23 16:24:09,132 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:09,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:09,132 INFO L82 PathProgramCache]: Analyzing trace with hash -602323533, now seen corresponding path program 1 times [2018-11-23 16:24:09,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:09,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:09,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:09,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:09,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:24:09,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:09,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:24:09,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:09,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:24:09,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:24:09,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:24:09,271 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 7 states. [2018-11-23 16:24:09,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:09,765 INFO L93 Difference]: Finished difference Result 441 states and 546 transitions. [2018-11-23 16:24:09,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:24:09,766 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 16:24:09,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:09,770 INFO L225 Difference]: With dead ends: 441 [2018-11-23 16:24:09,770 INFO L226 Difference]: Without dead ends: 325 [2018-11-23 16:24:09,772 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 16:24:09,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-11-23 16:24:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 317. [2018-11-23 16:24:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-23 16:24:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 390 transitions. [2018-11-23 16:24:09,809 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 390 transitions. Word has length 64 [2018-11-23 16:24:09,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:09,810 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 390 transitions. [2018-11-23 16:24:09,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:24:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 390 transitions. [2018-11-23 16:24:09,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 16:24:09,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:09,812 INFO L402 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] [2018-11-23 16:24:09,812 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:09,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:09,813 INFO L82 PathProgramCache]: Analyzing trace with hash 144664779, now seen corresponding path program 1 times [2018-11-23 16:24:09,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:09,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:09,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:09,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:09,814 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 16:24:09,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:09,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:24:09,928 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:09,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:24:09,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:24:09,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:24:09,929 INFO L87 Difference]: Start difference. First operand 317 states and 390 transitions. Second operand 7 states. [2018-11-23 16:24:10,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:10,541 INFO L93 Difference]: Finished difference Result 830 states and 1130 transitions. [2018-11-23 16:24:10,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 16:24:10,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 16:24:10,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:10,546 INFO L225 Difference]: With dead ends: 830 [2018-11-23 16:24:10,546 INFO L226 Difference]: Without dead ends: 541 [2018-11-23 16:24:10,549 INFO L631 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 [2018-11-23 16:24:10,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-11-23 16:24:10,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 461. [2018-11-23 16:24:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-11-23 16:24:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 583 transitions. [2018-11-23 16:24:10,609 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 583 transitions. Word has length 70 [2018-11-23 16:24:10,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:10,610 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 583 transitions. [2018-11-23 16:24:10,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:24:10,610 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 583 transitions. [2018-11-23 16:24:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 16:24:10,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:10,613 INFO L402 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] [2018-11-23 16:24:10,614 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:10,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:10,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1119601642, now seen corresponding path program 1 times [2018-11-23 16:24:10,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:10,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:10,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:10,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:10,615 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:24:10,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:10,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 16:24:10,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:10,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 16:24:10,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 16:24:10,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:24:10,732 INFO L87 Difference]: Start difference. First operand 461 states and 583 transitions. Second operand 4 states. [2018-11-23 16:24:11,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:11,098 INFO L93 Difference]: Finished difference Result 1674 states and 2324 transitions. [2018-11-23 16:24:11,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 16:24:11,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2018-11-23 16:24:11,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:11,105 INFO L225 Difference]: With dead ends: 1674 [2018-11-23 16:24:11,106 INFO L226 Difference]: Without dead ends: 1241 [2018-11-23 16:24:11,108 INFO L631 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 [2018-11-23 16:24:11,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2018-11-23 16:24:11,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1215. [2018-11-23 16:24:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2018-11-23 16:24:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1651 transitions. [2018-11-23 16:24:11,174 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1651 transitions. Word has length 92 [2018-11-23 16:24:11,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:11,175 INFO L480 AbstractCegarLoop]: Abstraction has 1215 states and 1651 transitions. [2018-11-23 16:24:11,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 16:24:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1651 transitions. [2018-11-23 16:24:11,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 16:24:11,177 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:11,177 INFO L402 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] [2018-11-23 16:24:11,178 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:11,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:11,178 INFO L82 PathProgramCache]: Analyzing trace with hash -605879255, now seen corresponding path program 1 times [2018-11-23 16:24:11,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:11,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:11,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:11,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:11,179 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:24:11,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:11,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:24:11,253 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:11,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:24:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:24:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:24:11,254 INFO L87 Difference]: Start difference. First operand 1215 states and 1651 transitions. Second operand 6 states. [2018-11-23 16:24:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:11,319 INFO L93 Difference]: Finished difference Result 2432 states and 3412 transitions. [2018-11-23 16:24:11,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:24:11,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-11-23 16:24:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:11,325 INFO L225 Difference]: With dead ends: 2432 [2018-11-23 16:24:11,325 INFO L226 Difference]: Without dead ends: 1245 [2018-11-23 16:24:11,330 INFO L631 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 [2018-11-23 16:24:11,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2018-11-23 16:24:11,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1245. [2018-11-23 16:24:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2018-11-23 16:24:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1683 transitions. [2018-11-23 16:24:11,382 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1683 transitions. Word has length 92 [2018-11-23 16:24:11,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:11,382 INFO L480 AbstractCegarLoop]: Abstraction has 1245 states and 1683 transitions. [2018-11-23 16:24:11,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:24:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1683 transitions. [2018-11-23 16:24:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 16:24:11,384 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:11,385 INFO L402 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] [2018-11-23 16:24:11,385 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:11,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:11,385 INFO L82 PathProgramCache]: Analyzing trace with hash 95720619, now seen corresponding path program 1 times [2018-11-23 16:24:11,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:11,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:11,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:11,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:11,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:24:11,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:11,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 16:24:11,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:11,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 16:24:11,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 16:24:11,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:24:11,463 INFO L87 Difference]: Start difference. First operand 1245 states and 1683 transitions. Second operand 8 states. [2018-11-23 16:24:11,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:11,527 INFO L93 Difference]: Finished difference Result 2305 states and 3231 transitions. [2018-11-23 16:24:11,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:24:11,528 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-11-23 16:24:11,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:11,532 INFO L225 Difference]: With dead ends: 2305 [2018-11-23 16:24:11,532 INFO L226 Difference]: Without dead ends: 1061 [2018-11-23 16:24:11,536 INFO L631 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 [2018-11-23 16:24:11,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2018-11-23 16:24:11,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2018-11-23 16:24:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2018-11-23 16:24:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1384 transitions. [2018-11-23 16:24:11,580 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1384 transitions. Word has length 92 [2018-11-23 16:24:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:11,581 INFO L480 AbstractCegarLoop]: Abstraction has 1061 states and 1384 transitions. [2018-11-23 16:24:11,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 16:24:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1384 transitions. [2018-11-23 16:24:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 16:24:11,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:11,583 INFO L402 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, 1, 1, 1] [2018-11-23 16:24:11,583 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:11,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:11,583 INFO L82 PathProgramCache]: Analyzing trace with hash -195804826, now seen corresponding path program 1 times [2018-11-23 16:24:11,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:11,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:11,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:11,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:11,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:24:11,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:11,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 16:24:11,714 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:11,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 16:24:11,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 16:24:11,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 16:24:11,715 INFO L87 Difference]: Start difference. First operand 1061 states and 1384 transitions. Second operand 9 states. [2018-11-23 16:24:12,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:12,459 INFO L93 Difference]: Finished difference Result 3025 states and 4268 transitions. [2018-11-23 16:24:12,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 16:24:12,459 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-11-23 16:24:12,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:12,467 INFO L225 Difference]: With dead ends: 3025 [2018-11-23 16:24:12,468 INFO L226 Difference]: Without dead ends: 2135 [2018-11-23 16:24:12,471 INFO L631 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 [2018-11-23 16:24:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2018-11-23 16:24:12,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1813. [2018-11-23 16:24:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2018-11-23 16:24:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2335 transitions. [2018-11-23 16:24:12,548 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2335 transitions. Word has length 96 [2018-11-23 16:24:12,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:12,548 INFO L480 AbstractCegarLoop]: Abstraction has 1813 states and 2335 transitions. [2018-11-23 16:24:12,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 16:24:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2335 transitions. [2018-11-23 16:24:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 16:24:12,551 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:12,551 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:24:12,551 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:12,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:12,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1002513249, now seen corresponding path program 1 times [2018-11-23 16:24:12,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:12,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:12,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:12,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:12,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 16:24:12,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:24:12,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:24:12,604 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:12,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:24:12,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:24:12,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:24:12,605 INFO L87 Difference]: Start difference. First operand 1813 states and 2335 transitions. Second operand 3 states. [2018-11-23 16:24:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:12,652 INFO L93 Difference]: Finished difference Result 2826 states and 3459 transitions. [2018-11-23 16:24:12,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:24:12,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2018-11-23 16:24:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:12,658 INFO L225 Difference]: With dead ends: 2826 [2018-11-23 16:24:12,658 INFO L226 Difference]: Without dead ends: 1660 [2018-11-23 16:24:12,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:24:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2018-11-23 16:24:12,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1660. [2018-11-23 16:24:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1660 states. [2018-11-23 16:24:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2011 transitions. [2018-11-23 16:24:12,719 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2011 transitions. Word has length 153 [2018-11-23 16:24:12,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:12,719 INFO L480 AbstractCegarLoop]: Abstraction has 1660 states and 2011 transitions. [2018-11-23 16:24:12,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:24:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2011 transitions. [2018-11-23 16:24:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 16:24:12,722 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:12,723 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:24:12,723 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:12,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:12,723 INFO L82 PathProgramCache]: Analyzing trace with hash 2140156209, now seen corresponding path program 1 times [2018-11-23 16:24:12,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:12,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:12,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:12,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:12,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 16:24:12,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:12,846 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:24:12,847 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 16:24:12,849 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [76], [80], [81], [82], [85], [87], [93], [97], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [138], [154], [155], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [209], [212], [216], [222], [225], [229], [230], [234], [237], [239], [242], [249], [252], [255], [259], [260], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [276], [277], [278], [279], [283], [284], [285], [286], [287], [289], [290], [293], [294], [295], [296], [297], [298], [303], [304], [307], [308], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [328], [331], [332] [2018-11-23 16:24:12,878 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:24:12,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:24:14,532 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:24:14,533 INFO L272 AbstractInterpreter]: Visited 125 different actions 599 times. Merged at 18 different actions 51 times. Never widened. Performed 20217 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20217 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 16:24:14,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:14,546 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:24:14,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:14,547 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/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 [2018-11-23 16:24:14,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:14,565 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:24:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:14,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:24:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:24:14,917 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:24:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 16:24:15,278 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:24:15,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 16:24:15,279 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:24:15,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 16:24:15,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 16:24:15,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 16:24:15,280 INFO L87 Difference]: Start difference. First operand 1660 states and 2011 transitions. Second operand 16 states. [2018-11-23 16:24:16,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:16,566 INFO L93 Difference]: Finished difference Result 3791 states and 4798 transitions. [2018-11-23 16:24:16,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 16:24:16,567 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2018-11-23 16:24:16,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:16,580 INFO L225 Difference]: With dead ends: 3791 [2018-11-23 16:24:16,580 INFO L226 Difference]: Without dead ends: 2335 [2018-11-23 16:24:16,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 306 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 16:24:16,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2335 states. [2018-11-23 16:24:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2335 to 2089. [2018-11-23 16:24:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2018-11-23 16:24:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2501 transitions. [2018-11-23 16:24:16,742 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2501 transitions. Word has length 157 [2018-11-23 16:24:16,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:16,743 INFO L480 AbstractCegarLoop]: Abstraction has 2089 states and 2501 transitions. [2018-11-23 16:24:16,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 16:24:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2501 transitions. [2018-11-23 16:24:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 16:24:16,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:16,751 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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] [2018-11-23 16:24:16,751 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:16,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:16,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1424696726, now seen corresponding path program 1 times [2018-11-23 16:24:16,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:16,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:16,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:16,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:16,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 93 proven. 16 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-23 16:24:16,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:16,916 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:24:16,916 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-11-23 16:24:16,917 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [75], [76], [80], [81], [82], [85], [87], [90], [93], [97], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [138], [154], [155], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [209], [212], [216], [222], [225], [229], [230], [234], [237], [239], [242], [249], [252], [255], [257], [259], [260], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [276], [277], [278], [279], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [303], [304], [307], [308], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [328], [331], [332] [2018-11-23 16:24:16,922 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:24:16,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:24:19,095 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:24:19,095 INFO L272 AbstractInterpreter]: Visited 131 different actions 959 times. Merged at 21 different actions 99 times. Never widened. Performed 40798 root evaluator evaluations with a maximum evaluation depth of 5. Performed 40798 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 2 different actions. Largest state had 134 variables. [2018-11-23 16:24:19,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:19,101 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:24:19,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:19,101 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:24:19,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:19,108 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:24:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:19,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:24:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 16:24:19,396 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:24:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-23 16:24:20,027 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:24:20,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-23 16:24:20,027 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:24:20,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 16:24:20,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 16:24:20,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-23 16:24:20,029 INFO L87 Difference]: Start difference. First operand 2089 states and 2501 transitions. Second operand 18 states. [2018-11-23 16:24:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:22,036 INFO L93 Difference]: Finished difference Result 5685 states and 7175 transitions. [2018-11-23 16:24:22,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-23 16:24:22,036 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 277 [2018-11-23 16:24:22,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:22,046 INFO L225 Difference]: With dead ends: 5685 [2018-11-23 16:24:22,046 INFO L226 Difference]: Without dead ends: 3072 [2018-11-23 16:24:22,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 543 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 16:24:22,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2018-11-23 16:24:22,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 2872. [2018-11-23 16:24:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2872 states. [2018-11-23 16:24:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 3380 transitions. [2018-11-23 16:24:22,169 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 3380 transitions. Word has length 277 [2018-11-23 16:24:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:22,170 INFO L480 AbstractCegarLoop]: Abstraction has 2872 states and 3380 transitions. [2018-11-23 16:24:22,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 16:24:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 3380 transitions. [2018-11-23 16:24:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-23 16:24:22,176 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:22,177 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:24:22,177 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:22,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:22,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1036546049, now seen corresponding path program 1 times [2018-11-23 16:24:22,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:22,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:22,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:22,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:22,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:22,304 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 134 proven. 20 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2018-11-23 16:24:22,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:22,304 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:24:22,304 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 401 with the following transitions: [2018-11-23 16:24:22,304 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [75], [76], [79], [80], [81], [82], [85], [87], [90], [93], [97], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [138], [140], [143], [154], [155], [156], [157], [158], [159], [160], [161], [162], [164], [167], [169], [171], [172], [209], [212], [216], [219], [222], [225], [229], [230], [234], [237], [239], [242], [245], [249], [252], [255], [259], [260], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [276], [277], [278], [279], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [303], [304], [307], [308], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [328], [329], [330], [331], [332] [2018-11-23 16:24:22,307 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:24:22,307 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:24:25,430 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:24:25,430 INFO L272 AbstractInterpreter]: Visited 145 different actions 1760 times. Merged at 43 different actions 425 times. Widened at 1 different actions 1 times. Performed 69521 root evaluator evaluations with a maximum evaluation depth of 5. Performed 69521 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 101 fixpoints after 12 different actions. Largest state had 135 variables. [2018-11-23 16:24:25,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:25,438 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:24:25,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:25,438 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:24:25,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:25,445 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:24:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:25,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:24:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 507 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-11-23 16:24:25,637 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:24:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2018-11-23 16:24:25,886 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:24:25,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [9] total 11 [2018-11-23 16:24:25,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:25,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:24:25,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:24:25,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:24:25,887 INFO L87 Difference]: Start difference. First operand 2872 states and 3380 transitions. Second operand 3 states. [2018-11-23 16:24:25,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:25,989 INFO L93 Difference]: Finished difference Result 3414 states and 4036 transitions. [2018-11-23 16:24:25,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:24:25,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 400 [2018-11-23 16:24:25,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:25,996 INFO L225 Difference]: With dead ends: 3414 [2018-11-23 16:24:25,996 INFO L226 Difference]: Without dead ends: 1186 [2018-11-23 16:24:26,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 801 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:24:26,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2018-11-23 16:24:26,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1173. [2018-11-23 16:24:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2018-11-23 16:24:26,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1342 transitions. [2018-11-23 16:24:26,066 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1342 transitions. Word has length 400 [2018-11-23 16:24:26,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:26,067 INFO L480 AbstractCegarLoop]: Abstraction has 1173 states and 1342 transitions. [2018-11-23 16:24:26,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:24:26,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1342 transitions. [2018-11-23 16:24:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-11-23 16:24:26,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:24:26,075 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:24:26,075 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:24:26,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:26,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1901910872, now seen corresponding path program 1 times [2018-11-23 16:24:26,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:24:26,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:26,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:26,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:24:26,079 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:24:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-11-23 16:24:26,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:26,264 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:24:26,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 358 with the following transitions: [2018-11-23 16:24:26,264 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [75], [76], [79], [80], [81], [82], [85], [87], [90], [93], [97], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [138], [154], [155], [156], [157], [158], [159], [160], [161], [162], [164], [167], [169], [171], [172], [209], [212], [216], [222], [225], [229], [230], [234], [237], [239], [242], [245], [249], [252], [255], [259], [260], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [276], [277], [278], [279], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [303], [304], [307], [308], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [328], [329], [330], [331], [332] [2018-11-23 16:24:26,266 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:24:26,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:24:29,316 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:24:29,316 INFO L272 AbstractInterpreter]: Visited 137 different actions 1860 times. Merged at 39 different actions 435 times. Widened at 1 different actions 1 times. Performed 70528 root evaluator evaluations with a maximum evaluation depth of 5. Performed 70528 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 99 fixpoints after 10 different actions. Largest state had 134 variables. [2018-11-23 16:24:29,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:24:29,318 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:24:29,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:24:29,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:24:29,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:24:29,325 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:24:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:24:29,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:24:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-11-23 16:24:29,526 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:24:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-11-23 16:24:29,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 16:24:29,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 16:24:29,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:24:29,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:24:29,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:24:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 16:24:29,858 INFO L87 Difference]: Start difference. First operand 1173 states and 1342 transitions. Second operand 6 states. [2018-11-23 16:24:29,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:24:29,890 INFO L93 Difference]: Finished difference Result 1423 states and 1617 transitions. [2018-11-23 16:24:29,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:24:29,891 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 357 [2018-11-23 16:24:29,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:24:29,891 INFO L225 Difference]: With dead ends: 1423 [2018-11-23 16:24:29,891 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:24:29,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 709 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 16:24:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:24:29,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:24:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:24:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:24:29,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2018-11-23 16:24:29,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:24:29,894 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:24:29,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:24:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:24:29,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:24:29,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:24:30,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:30,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:24:31,086 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-11-23 16:24:32,017 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 51 [2018-11-23 16:24:32,463 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2018-11-23 16:24:32,664 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2018-11-23 16:24:32,942 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2018-11-23 16:24:33,304 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 42 [2018-11-23 16:24:33,413 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-11-23 16:24:33,680 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 49 [2018-11-23 16:24:33,988 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2018-11-23 16:24:34,137 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-11-23 16:24:34,281 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2018-11-23 16:24:34,602 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 40 [2018-11-23 16:24:35,128 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 53 [2018-11-23 16:24:35,130 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2018-11-23 16:24:35,130 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2018-11-23 16:24:35,130 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse3) (or .cse1 .cse2 (< 2 ~waterLevel~0) .cse6 .cse7))) [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L444 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 (not (= ~systemActive~0 0)) (< 2 ~waterLevel~0) .cse3) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point L984(lines 984 994) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L444 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (let ((.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse3) (or (< 0 ~waterLevel~0) .cse2 .cse5 .cse4 .cse6) (or .cse2 .cse0 .cse6 .cse4 .cse3) (or .cse2 .cse0 .cse6 .cse1) (or .cse5 (or .cse6 (or .cse2 .cse1))))) [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point L982-1(line 982) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 997) no Hoare annotation was computed. [2018-11-23 16:24:35,131 INFO L448 ceAbstractionStarter]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2018-11-23 16:24:35,132 INFO L451 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-11-23 16:24:35,132 INFO L448 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-23 16:24:35,132 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2018-11-23 16:24:35,132 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2018-11-23 16:24:35,132 INFO L444 ceAbstractionStarter]: At program point L354-1(line 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,132 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 348 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,132 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2018-11-23 16:24:35,132 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2018-11-23 16:24:35,132 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,132 INFO L444 ceAbstractionStarter]: At program point L360-1(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,133 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 365) no Hoare annotation was computed. [2018-11-23 16:24:35,133 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2018-11-23 16:24:35,133 INFO L448 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2018-11-23 16:24:35,133 INFO L444 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,133 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,133 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2018-11-23 16:24:35,133 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 262) no Hoare annotation was computed. [2018-11-23 16:24:35,133 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~systemActive~0)| 0))) (let ((.cse2 (< 2 ~waterLevel~0)) (.cse9 (not (= ~systemActive~0 0))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not .cse7)) (.cse4 (= 0 ~systemActive~0)) (.cse11 (or .cse1 (not (= ~waterLevel~0 2)))) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (< 1 ~waterLevel~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or (or .cse7 .cse2 .cse8 .cse6) (and .cse9 .cse10)) (or .cse2 (and .cse9 (= ~pumpRunning~0 1)) (or .cse7 .cse8) (< ~waterLevel~0 2)) (or .cse3 .cse1 .cse6 .cse10) (or .cse5 .cse11 .cse4) (or .cse11 .cse0) (or .cse3 .cse8 (not (= |old(~systemActive~0)| 1)) .cse6 (= ~systemActive~0 1))))) [2018-11-23 16:24:35,133 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2018-11-23 16:24:35,134 INFO L444 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse4 (< 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (< ~switchedOnBeforeTS~0 1) .cse1 .cse0) (or (< 0 ~waterLevel~0) .cse0 .cse2) (or (or .cse3 .cse4 .cse5 .cse2) (and .cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse4 (and .cse6 (= ~pumpRunning~0 1)) (or .cse3 .cse5) (< ~waterLevel~0 2)) (or .cse0 (not (= ~waterLevel~0 1))) (or .cse1 .cse5 (not (= |old(~systemActive~0)| 1)) .cse2 (= ~systemActive~0 1)))) [2018-11-23 16:24:35,134 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-23 16:24:35,134 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2018-11-23 16:24:35,134 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-23 16:24:35,134 INFO L451 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2018-11-23 16:24:35,134 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2018-11-23 16:24:35,134 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-23 16:24:35,134 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2018-11-23 16:24:35,134 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2018-11-23 16:24:35,134 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2018-11-23 16:24:35,134 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2018-11-23 16:24:35,135 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2018-11-23 16:24:35,135 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2018-11-23 16:24:35,135 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 334 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,135 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2018-11-23 16:24:35,135 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2018-11-23 16:24:35,135 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,135 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse1 (< 2 ~waterLevel~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (or .cse0 .cse1 .cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 (= ~pumpRunning~0 1) (or .cse0 .cse2) (< ~waterLevel~0 2)))) [2018-11-23 16:24:35,135 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2018-11-23 16:24:35,135 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2018-11-23 16:24:35,135 INFO L448 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2018-11-23 16:24:35,136 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2018-11-23 16:24:35,136 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2018-11-23 16:24:35,136 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2018-11-23 16:24:35,136 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3 (and (<= 1 processEnvironment_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 16:24:35,136 INFO L448 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2018-11-23 16:24:35,136 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 16:24:35,136 INFO L448 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-11-23 16:24:35,136 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2018-11-23 16:24:35,136 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2018-11-23 16:24:35,137 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 16:24:35,137 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 16:24:35,137 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2018-11-23 16:24:35,137 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 16:24:35,137 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-23 16:24:35,137 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2018-11-23 16:24:35,137 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 388) no Hoare annotation was computed. [2018-11-23 16:24:35,137 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 372 437) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,137 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2018-11-23 16:24:35,138 INFO L444 ceAbstractionStarter]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:24:35,138 INFO L444 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse0 (<= test_~splverifierCounter~0 3)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 .cse3) (and .cse0 .cse4 (<= ~waterLevel~0 0) .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5) (and .cse0 (and .cse1 .cse5) .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse4 (<= ~waterLevel~0 1)))) [2018-11-23 16:24:35,138 INFO L448 ceAbstractionStarter]: For program point L418(lines 418 424) no Hoare annotation was computed. [2018-11-23 16:24:35,138 INFO L444 ceAbstractionStarter]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 3)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~pumpRunning~0 1) .cse2) (and .cse0 (and .cse1 .cse3 .cse2)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 16:24:35,138 INFO L448 ceAbstractionStarter]: For program point L383(lines 382 429) no Hoare annotation was computed. [2018-11-23 16:24:35,138 INFO L448 ceAbstractionStarter]: For program point L412(lines 412 425) no Hoare annotation was computed. [2018-11-23 16:24:35,138 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 3)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~pumpRunning~0 1) .cse2) (and .cse0 (and .cse1 .cse3 .cse2)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 16:24:35,138 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 408) no Hoare annotation was computed. [2018-11-23 16:24:35,139 INFO L448 ceAbstractionStarter]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2018-11-23 16:24:35,139 INFO L444 ceAbstractionStarter]: At program point L427(lines 382 429) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (<= test_~splverifierCounter~0 3)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse3 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0) .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 16:24:35,139 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (<= test_~splverifierCounter~0 3)) (.cse2 (and .cse5 .cse4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 (<= ~waterLevel~0 2) (= 0 ~systemActive~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (and (= 1 ~waterLevel~0) .cse2))))) [2018-11-23 16:24:35,139 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2018-11-23 16:24:35,139 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2018-11-23 16:24:35,139 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2018-11-23 16:24:35,139 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2018-11-23 16:24:35,139 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2018-11-23 16:24:35,139 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2018-11-23 16:24:35,139 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 16:24:35,140 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2018-11-23 16:24:35,140 INFO L451 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: true [2018-11-23 16:24:35,140 INFO L448 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2018-11-23 16:24:35,141 INFO L448 ceAbstractionStarter]: For program point L221-1(line 221) no Hoare annotation was computed. [2018-11-23 16:24:35,141 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2018-11-23 16:24:35,141 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2018-11-23 16:24:35,141 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: true [2018-11-23 16:24:35,141 INFO L448 ceAbstractionStarter]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2018-11-23 16:24:35,141 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2018-11-23 16:24:35,141 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2018-11-23 16:24:35,141 INFO L444 ceAbstractionStarter]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2018-11-23 16:24:35,141 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 287) no Hoare annotation was computed. [2018-11-23 16:24:35,141 INFO L444 ceAbstractionStarter]: At program point L283-1(lines 283 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2018-11-23 16:24:35,141 INFO L448 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2018-11-23 16:24:35,142 INFO L444 ceAbstractionStarter]: At program point L279-2(lines 279 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2018-11-23 16:24:35,142 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2018-11-23 16:24:35,142 INFO L448 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-23 16:24:35,142 INFO L451 ceAbstractionStarter]: At program point L294(lines 269 298) the Hoare annotation is: true [2018-11-23 16:24:35,142 INFO L448 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2018-11-23 16:24:35,142 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-11-23 16:24:35,142 INFO L448 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2018-11-23 16:24:35,142 INFO L448 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2018-11-23 16:24:35,142 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= ~systemActive~0 0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= ~pumpRunning~0 1) .cse5) (or (or .cse3 .cse6) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 .cse7 .cse4 .cse2) (or (or .cse1 .cse3 .cse6) (and .cse8 (= 2 ~waterLevel~0))) (or .cse1 .cse7 .cse9 .cse10 .cse11) (or .cse7 .cse9 (and .cse8 .cse5) .cse1) (or .cse1 .cse3 .cse10 .cse11 .cse4) (or .cse1 .cse4 (and .cse8 (= 1 ~waterLevel~0))))) [2018-11-23 16:24:35,143 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2018-11-23 16:24:35,143 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or (and .cse1 (= ~pumpRunning~0 1) .cse2) (or (or .cse3 .cse4) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse3 .cse4) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)) (or .cse0 .cse3 .cse2 .cse6) (or .cse0 (and .cse5 .cse1) .cse6))) [2018-11-23 16:24:35,143 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2018-11-23 16:24:35,143 INFO L444 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and .cse5 .cse4 .cse7)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= 1 ~waterLevel~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse6)) (or .cse0 .cse1 .cse7 .cse8) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse3 .cse0) (or .cse0 .cse8 (and .cse5 .cse6))))) [2018-11-23 16:24:35,143 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 16:24:35,143 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-11-23 16:24:35,143 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-11-23 16:24:35,143 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2018-11-23 16:24:35,143 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2018-11-23 16:24:35,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:24:35,144 INFO L444 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)) [2018-11-23 16:24:35,144 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:24:35,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:24:35,144 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-23 16:24:35,144 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-23 16:24:35,144 INFO L448 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-11-23 16:24:35,144 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2018-11-23 16:24:35,144 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2018-11-23 16:24:35,144 INFO L444 ceAbstractionStarter]: At program point L110(line 110) 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))))) [2018-11-23 16:24:35,145 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2018-11-23 16:24:35,145 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 16:24:35,145 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-23 16:24:35,145 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2018-11-23 16:24:35,145 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2018-11-23 16:24:35,145 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2018-11-23 16:24:35,145 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse3 .cse4 .cse0) (or (or .cse4 .cse1 (not (= |old(~waterLevel~0)| 1))) .cse0) (or .cse0 (or .cse4 .cse1) .cse3 .cse2))) [2018-11-23 16:24:35,145 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2018-11-23 16:24:35,145 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2018-11-23 16:24:35,145 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2018-11-23 16:24:35,146 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2018-11-23 16:24:35,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:24:35 BoogieIcfgContainer [2018-11-23 16:24:35,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:24:35,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:24:35,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:24:35,160 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:24:35,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:24:08" (3/4) ... [2018-11-23 16:24:35,163 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 16:24:35,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 16:24:35,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 16:24:35,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 16:24:35,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 16:24:35,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 16:24:35,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 16:24:35,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:24:35,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 16:24:35,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 16:24:35,179 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 16:24:35,179 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 16:24:35,179 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 16:24:35,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 16:24:35,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 16:24:35,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:24:35,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:24:35,206 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter <= 3 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && systemActive == 1) || ((((splverifierCounter <= 3 && 0 == pumpRunning) && 2 == waterLevel) && systemActive == 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || ((((splverifierCounter <= 3 && 0 == pumpRunning) && waterLevel <= 2) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || (((splverifierCounter <= 3 && 2 == waterLevel) && pumpRunning == 1) && systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 16:24:35,206 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && 1 == waterLevel)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 16:24:35,206 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || (0 == pumpRunning && 1 == waterLevel) [2018-11-23 16:24:35,244 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe522fa5-d70e-4801-bdc7-cf40e2cba145/bin-2019/utaipan/witness.graphml [2018-11-23 16:24:35,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:24:35,245 INFO L168 Benchmark]: Toolchain (without parser) took 27615.63 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 956.4 MB in the beginning and 1.5 GB in the end (delta: -536.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 16:24:35,245 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-23 16:24:35,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-23 16:24:35,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.43 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. [2018-11-23 16:24:35,246 INFO L168 Benchmark]: Boogie Preprocessor took 36.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:24:35,246 INFO L168 Benchmark]: RCFGBuilder took 515.69 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2018-11-23 16:24:35,246 INFO L168 Benchmark]: TraceAbstraction took 26464.63 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -410.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 16:24:35,246 INFO L168 Benchmark]: Witness Printer took 84.43 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 151.2 kB). Peak memory consumption was 151.2 kB. Max. memory is 11.5 GB. [2018-11-23 16:24:35,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 479.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 515.69 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26464.63 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -410.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 84.43 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 151.2 kB). Peak memory consumption was 151.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter <= 3 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && systemActive == 1) || ((((splverifierCounter <= 3 && 0 == pumpRunning) && 2 == waterLevel) && systemActive == 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || ((((splverifierCounter <= 3 && 0 == pumpRunning) && waterLevel <= 2) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || (((splverifierCounter <= 3 && 2 == waterLevel) && pumpRunning == 1) && systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && 1 == waterLevel)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || (0 == pumpRunning && 1 == waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 26.3s OverallTime, 12 OverallIterations, 11 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2590 SDtfs, 2552 SDslu, 7712 SDs, 0 SdLazy, 5642 SolverSat, 1209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2572 GetRequests, 2395 SyntacticMatches, 22 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2872occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.0s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 895 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5843 PreInvPairs, 6201 NumberOfFragments, 2445 HoareAnnotationTreeSize, 5843 FomulaSimplifications, 16547 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 64 FomulaSimplificationsInter, 34587 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3100 NumberOfCodeBlocks, 3100 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4271 ConstructedInterpolants, 0 QuantifiedInterpolants, 1526150 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5001 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 4729/4865 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...