./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/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 3e1b0443329a7a45dbd5811d3e88a5ff99628068 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:05:05,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:05:05,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:05:05,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:05:05,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:05:05,798 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:05:05,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:05:05,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:05:05,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:05:05,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:05:05,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:05:05,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:05:05,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:05:05,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:05:05,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:05:05,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:05:05,805 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:05:05,807 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:05:05,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:05:05,809 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:05:05,810 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:05:05,811 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:05:05,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:05:05,813 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:05:05,813 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:05:05,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:05:05,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:05:05,815 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:05:05,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:05:05,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:05:05,816 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:05:05,817 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:05:05,817 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:05:05,817 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:05:05,818 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:05:05,818 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:05:05,818 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:05:05,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:05:05,828 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:05:05,829 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:05:05,829 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:05:05,829 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:05:05,829 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:05:05,830 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:05:05,830 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:05:05,830 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:05:05,830 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:05:05,830 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:05:05,830 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:05:05,830 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:05:05,831 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:05:05,831 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:05:05,831 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:05:05,831 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:05:05,831 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:05:05,831 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:05:05,832 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:05:05,832 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:05:05,832 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:05:05,832 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:05:05,832 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:05:05,832 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:05:05,832 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:05:05,832 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:05:05,833 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:05:05,833 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:05:05,833 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_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/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 -> 3e1b0443329a7a45dbd5811d3e88a5ff99628068 [2018-11-18 13:05:05,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:05:05,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:05:05,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:05:05,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:05:05,866 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:05:05,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-11-18 13:05:05,903 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/data/d116c9f9b/2990fc5cec2b406aad7e76946fbd69d7/FLAG1afbe7190 [2018-11-18 13:05:06,358 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:05:06,359 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-11-18 13:05:06,368 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/data/d116c9f9b/2990fc5cec2b406aad7e76946fbd69d7/FLAG1afbe7190 [2018-11-18 13:05:06,376 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/data/d116c9f9b/2990fc5cec2b406aad7e76946fbd69d7 [2018-11-18 13:05:06,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:05:06,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:05:06,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:05:06,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:05:06,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:05:06,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06, skipping insertion in model container [2018-11-18 13:05:06,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:05:06,428 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:05:06,634 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:05:06,643 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:05:06,754 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:05:06,771 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:05:06,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06 WrapperNode [2018-11-18 13:05:06,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:05:06,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:05:06,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:05:06,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:05:06,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:05:06,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:05:06,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:05:06,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:05:06,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... [2018-11-18 13:05:06,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:05:06,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:05:06,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:05:06,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:05:06,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:05:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:05:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:05:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 13:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 13:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 13:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 13:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 13:05:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 13:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:05:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:05:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:05:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:05:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:05:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:05:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:05:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:05:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:05:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 13:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 13:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:05:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:05:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:05:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:05:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:05:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:05:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:05:07,335 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:05:07,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:05:07 BoogieIcfgContainer [2018-11-18 13:05:07,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:05:07,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:05:07,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:05:07,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:05:07,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:05:06" (1/3) ... [2018-11-18 13:05:07,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2271db70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:05:07, skipping insertion in model container [2018-11-18 13:05:07,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:06" (2/3) ... [2018-11-18 13:05:07,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2271db70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:05:07, skipping insertion in model container [2018-11-18 13:05:07,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:05:07" (3/3) ... [2018-11-18 13:05:07,343 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-11-18 13:05:07,350 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:05:07,357 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:05:07,369 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:05:07,395 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:05:07,395 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:05:07,395 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:05:07,395 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:05:07,395 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:05:07,396 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:05:07,396 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:05:07,396 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:05:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2018-11-18 13:05:07,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:05:07,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:07,421 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:07,423 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:07,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1279919689, now seen corresponding path program 1 times [2018-11-18 13:05:07,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:07,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:07,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:07,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:07,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:05:07,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:07,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:05:07,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:07,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:05:07,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:05:07,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:05:07,661 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2018-11-18 13:05:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:07,694 INFO L93 Difference]: Finished difference Result 318 states and 389 transitions. [2018-11-18 13:05:07,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:05:07,695 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 13:05:07,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:07,706 INFO L225 Difference]: With dead ends: 318 [2018-11-18 13:05:07,706 INFO L226 Difference]: Without dead ends: 161 [2018-11-18 13:05:07,710 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:05:07,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-18 13:05:07,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-18 13:05:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-18 13:05:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 188 transitions. [2018-11-18 13:05:07,755 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 188 transitions. Word has length 59 [2018-11-18 13:05:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:07,755 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 188 transitions. [2018-11-18 13:05:07,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:05:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 188 transitions. [2018-11-18 13:05:07,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:05:07,758 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:07,758 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:07,759 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:07,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:07,759 INFO L82 PathProgramCache]: Analyzing trace with hash -966070366, now seen corresponding path program 1 times [2018-11-18 13:05:07,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:07,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:07,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:07,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:07,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:05:07,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:07,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:05:07,859 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:07,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:05:07,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:05:07,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:05:07,862 INFO L87 Difference]: Start difference. First operand 161 states and 188 transitions. Second operand 3 states. [2018-11-18 13:05:07,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:07,884 INFO L93 Difference]: Finished difference Result 259 states and 301 transitions. [2018-11-18 13:05:07,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:05:07,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 13:05:07,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:07,887 INFO L225 Difference]: With dead ends: 259 [2018-11-18 13:05:07,887 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 13:05:07,888 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:05:07,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 13:05:07,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-18 13:05:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-18 13:05:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2018-11-18 13:05:07,900 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 61 [2018-11-18 13:05:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:07,900 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2018-11-18 13:05:07,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:05:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2018-11-18 13:05:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:05:07,902 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:07,902 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:07,902 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:07,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:07,902 INFO L82 PathProgramCache]: Analyzing trace with hash 433649211, now seen corresponding path program 1 times [2018-11-18 13:05:07,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:07,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:07,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:07,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:07,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:05:08,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:08,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:05:08,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:08,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:05:08,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:05:08,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:05:08,022 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 7 states. [2018-11-18 13:05:08,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:08,389 INFO L93 Difference]: Finished difference Result 454 states and 544 transitions. [2018-11-18 13:05:08,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:05:08,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 13:05:08,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:08,393 INFO L225 Difference]: With dead ends: 454 [2018-11-18 13:05:08,393 INFO L226 Difference]: Without dead ends: 331 [2018-11-18 13:05:08,394 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:05:08,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-11-18 13:05:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 323. [2018-11-18 13:05:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-18 13:05:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2018-11-18 13:05:08,426 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 65 [2018-11-18 13:05:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:08,427 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2018-11-18 13:05:08,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:05:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2018-11-18 13:05:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:05:08,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:08,430 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:08,433 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:08,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:08,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1552923240, now seen corresponding path program 1 times [2018-11-18 13:05:08,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:08,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:08,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:08,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:08,435 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:05:08,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:08,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:05:08,532 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:08,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:05:08,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:05:08,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:05:08,533 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand 7 states. [2018-11-18 13:05:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:09,098 INFO L93 Difference]: Finished difference Result 806 states and 1033 transitions. [2018-11-18 13:05:09,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 13:05:09,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 13:05:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:09,102 INFO L225 Difference]: With dead ends: 806 [2018-11-18 13:05:09,102 INFO L226 Difference]: Without dead ends: 511 [2018-11-18 13:05:09,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:05:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-18 13:05:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 455. [2018-11-18 13:05:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-18 13:05:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 544 transitions. [2018-11-18 13:05:09,151 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 544 transitions. Word has length 71 [2018-11-18 13:05:09,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:09,152 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 544 transitions. [2018-11-18 13:05:09,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:05:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 544 transitions. [2018-11-18 13:05:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:05:09,155 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:09,155 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:09,155 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:09,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:09,155 INFO L82 PathProgramCache]: Analyzing trace with hash -959217815, now seen corresponding path program 1 times [2018-11-18 13:05:09,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:09,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:09,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:05:09,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:09,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:05:09,229 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:09,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:05:09,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:05:09,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:05:09,232 INFO L87 Difference]: Start difference. First operand 455 states and 544 transitions. Second operand 6 states. [2018-11-18 13:05:09,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:09,287 INFO L93 Difference]: Finished difference Result 896 states and 1104 transitions. [2018-11-18 13:05:09,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:05:09,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-18 13:05:09,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:09,291 INFO L225 Difference]: With dead ends: 896 [2018-11-18 13:05:09,291 INFO L226 Difference]: Without dead ends: 469 [2018-11-18 13:05:09,292 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:05:09,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-11-18 13:05:09,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 465. [2018-11-18 13:05:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-11-18 13:05:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 554 transitions. [2018-11-18 13:05:09,318 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 554 transitions. Word has length 108 [2018-11-18 13:05:09,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:09,319 INFO L480 AbstractCegarLoop]: Abstraction has 465 states and 554 transitions. [2018-11-18 13:05:09,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:05:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 554 transitions. [2018-11-18 13:05:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:05:09,320 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:09,321 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:09,321 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:09,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:09,321 INFO L82 PathProgramCache]: Analyzing trace with hash 969054887, now seen corresponding path program 1 times [2018-11-18 13:05:09,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:09,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:09,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,322 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:05:09,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:09,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:05:09,404 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:09,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:05:09,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:05:09,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:05:09,405 INFO L87 Difference]: Start difference. First operand 465 states and 554 transitions. Second operand 8 states. [2018-11-18 13:05:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:09,442 INFO L93 Difference]: Finished difference Result 916 states and 1124 transitions. [2018-11-18 13:05:09,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:05:09,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-18 13:05:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:09,445 INFO L225 Difference]: With dead ends: 916 [2018-11-18 13:05:09,445 INFO L226 Difference]: Without dead ends: 479 [2018-11-18 13:05:09,446 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:05:09,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-11-18 13:05:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 473. [2018-11-18 13:05:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-11-18 13:05:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 562 transitions. [2018-11-18 13:05:09,470 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 562 transitions. Word has length 108 [2018-11-18 13:05:09,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:09,470 INFO L480 AbstractCegarLoop]: Abstraction has 473 states and 562 transitions. [2018-11-18 13:05:09,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:05:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 562 transitions. [2018-11-18 13:05:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:05:09,472 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:09,472 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:09,472 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:09,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:09,472 INFO L82 PathProgramCache]: Analyzing trace with hash 728514758, now seen corresponding path program 1 times [2018-11-18 13:05:09,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:09,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:09,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:05:09,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:09,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:05:09,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:09,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:05:09,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:05:09,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:05:09,544 INFO L87 Difference]: Start difference. First operand 473 states and 562 transitions. Second operand 4 states. [2018-11-18 13:05:09,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:09,802 INFO L93 Difference]: Finished difference Result 1474 states and 1836 transitions. [2018-11-18 13:05:09,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:05:09,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-18 13:05:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:09,808 INFO L225 Difference]: With dead ends: 1474 [2018-11-18 13:05:09,809 INFO L226 Difference]: Without dead ends: 1029 [2018-11-18 13:05:09,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:05:09,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2018-11-18 13:05:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1012. [2018-11-18 13:05:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2018-11-18 13:05:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1237 transitions. [2018-11-18 13:05:09,874 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1237 transitions. Word has length 108 [2018-11-18 13:05:09,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:09,875 INFO L480 AbstractCegarLoop]: Abstraction has 1012 states and 1237 transitions. [2018-11-18 13:05:09,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:05:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1237 transitions. [2018-11-18 13:05:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 13:05:09,877 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:09,877 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:05:09,877 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:09,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:09,877 INFO L82 PathProgramCache]: Analyzing trace with hash -173343476, now seen corresponding path program 1 times [2018-11-18 13:05:09,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:09,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:09,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:09,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:05:09,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:05:09,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:05:09,990 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:09,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:05:09,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:05:09,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:05:09,991 INFO L87 Difference]: Start difference. First operand 1012 states and 1237 transitions. Second operand 9 states. [2018-11-18 13:05:10,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:10,913 INFO L93 Difference]: Finished difference Result 2776 states and 3550 transitions. [2018-11-18 13:05:10,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:05:10,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-18 13:05:10,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:10,923 INFO L225 Difference]: With dead ends: 2776 [2018-11-18 13:05:10,923 INFO L226 Difference]: Without dead ends: 1977 [2018-11-18 13:05:10,926 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:05:10,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2018-11-18 13:05:11,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1751. [2018-11-18 13:05:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1751 states. [2018-11-18 13:05:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2106 transitions. [2018-11-18 13:05:11,053 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2106 transitions. Word has length 112 [2018-11-18 13:05:11,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:11,053 INFO L480 AbstractCegarLoop]: Abstraction has 1751 states and 2106 transitions. [2018-11-18 13:05:11,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:05:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2106 transitions. [2018-11-18 13:05:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 13:05:11,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:11,056 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2018-11-18 13:05:11,056 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:11,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:11,057 INFO L82 PathProgramCache]: Analyzing trace with hash -225450951, now seen corresponding path program 1 times [2018-11-18 13:05:11,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:11,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:11,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:11,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:11,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:05:11,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:11,221 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:05:11,222 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-18 13:05:11,224 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], [76], [77], [80], [83], [85], [91], [95], [98], [99], [103], [104], [105], [106], [110], [116], [120], [124], [127], [130], [132], [138], [140], [143], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [178], [183], [185], [186], [187], [188], [226], [229], [233], [239], [240], [241], [244], [248], [249], [253], [256], [258], [261], [268], [271], [274], [278], [279], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [293], [294], [295], [296], [297], [298], [302], [303], [304], [305], [306], [308], [309], [310], [311], [314], [315], [316], [317], [318], [319], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [350], [351], [352], [353], [356], [357] [2018-11-18 13:05:11,260 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:05:11,260 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:05:13,534 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:05:13,535 INFO L272 AbstractInterpreter]: Visited 141 different actions 830 times. Merged at 19 different actions 62 times. Never widened. Performed 33442 root evaluator evaluations with a maximum evaluation depth of 5. Performed 33442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 13:05:13,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:13,540 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:05:13,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:13,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:05:13,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:13,547 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:05:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:13,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:05:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:05:13,792 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:05:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:05:14,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:05:14,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 13:05:14,286 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:05:14,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 13:05:14,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 13:05:14,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:05:14,287 INFO L87 Difference]: Start difference. First operand 1751 states and 2106 transitions. Second operand 16 states. [2018-11-18 13:05:16,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:16,357 INFO L93 Difference]: Finished difference Result 3981 states and 4996 transitions. [2018-11-18 13:05:16,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 13:05:16,358 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2018-11-18 13:05:16,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:16,370 INFO L225 Difference]: With dead ends: 3981 [2018-11-18 13:05:16,370 INFO L226 Difference]: Without dead ends: 2437 [2018-11-18 13:05:16,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 340 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 13:05:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2018-11-18 13:05:16,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2191. [2018-11-18 13:05:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2191 states. [2018-11-18 13:05:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 2607 transitions. [2018-11-18 13:05:16,523 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 2607 transitions. Word has length 174 [2018-11-18 13:05:16,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:16,524 INFO L480 AbstractCegarLoop]: Abstraction has 2191 states and 2607 transitions. [2018-11-18 13:05:16,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 13:05:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2607 transitions. [2018-11-18 13:05:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 13:05:16,532 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:16,533 INFO L375 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, 4, 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, 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, 1, 1, 1] [2018-11-18 13:05:16,533 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:16,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:16,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1772591310, now seen corresponding path program 1 times [2018-11-18 13:05:16,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:16,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:16,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:16,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:16,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 13:05:16,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:16,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:05:16,702 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-18 13:05:16,702 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], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [110], [116], [120], [124], [127], [130], [132], [138], [140], [143], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [178], [183], [185], [186], [187], [188], [226], [229], [233], [239], [240], [241], [244], [248], [249], [253], [256], [258], [261], [268], [271], [274], [278], [279], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [293], [294], [295], [296], [297], [298], [302], [303], [304], [305], [306], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [350], [351], [352], [353], [356], [357] [2018-11-18 13:05:16,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:05:16,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:05:17,528 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:05:17,529 INFO L272 AbstractInterpreter]: Visited 142 different actions 644 times. Merged at 16 different actions 44 times. Never widened. Performed 20690 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20690 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 13:05:17,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:17,537 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:05:17,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:17,538 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/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 [2018-11-18 13:05:17,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:17,550 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:05:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:17,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:05:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 13:05:17,801 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:05:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 78 proven. 31 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-18 13:05:18,382 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:05:18,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 13:05:18,382 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:05:18,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 13:05:18,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 13:05:18,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 13:05:18,384 INFO L87 Difference]: Start difference. First operand 2191 states and 2607 transitions. Second operand 18 states. [2018-11-18 13:05:20,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:20,524 INFO L93 Difference]: Finished difference Result 5907 states and 7405 transitions. [2018-11-18 13:05:20,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 13:05:20,525 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 307 [2018-11-18 13:05:20,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:20,533 INFO L225 Difference]: With dead ends: 5907 [2018-11-18 13:05:20,533 INFO L226 Difference]: Without dead ends: 3186 [2018-11-18 13:05:20,538 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 603 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 13:05:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2018-11-18 13:05:20,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2986. [2018-11-18 13:05:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2986 states. [2018-11-18 13:05:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3498 transitions. [2018-11-18 13:05:20,641 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3498 transitions. Word has length 307 [2018-11-18 13:05:20,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:20,642 INFO L480 AbstractCegarLoop]: Abstraction has 2986 states and 3498 transitions. [2018-11-18 13:05:20,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 13:05:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3498 transitions. [2018-11-18 13:05:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 13:05:20,647 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:20,648 INFO L375 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1] [2018-11-18 13:05:20,648 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:20,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:20,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1967986797, now seen corresponding path program 1 times [2018-11-18 13:05:20,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:20,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:20,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:20,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:20,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 110 proven. 15 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2018-11-18 13:05:20,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:20,766 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:05:20,766 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 372 with the following transitions: [2018-11-18 13:05:20,766 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], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [110], [116], [120], [124], [127], [130], [132], [138], [140], [143], [145], [148], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [178], [183], [185], [186], [187], [188], [226], [229], [233], [236], [239], [240], [241], [244], [248], [249], [253], [256], [258], [261], [268], [271], [274], [278], [279], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [293], [294], [295], [296], [297], [298], [302], [303], [304], [305], [306], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [322], [323], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [350], [351], [352], [353], [356], [357] [2018-11-18 13:05:20,769 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:05:20,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:05:23,349 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:05:23,349 INFO L272 AbstractInterpreter]: Visited 156 different actions 1442 times. Merged at 31 different actions 195 times. Never widened. Performed 59358 root evaluator evaluations with a maximum evaluation depth of 5. Performed 59358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 53 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 13:05:23,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:23,353 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:05:23,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:23,353 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/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 [2018-11-18 13:05:23,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:23,359 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:05:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:23,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:05:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 13:05:23,556 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:05:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-11-18 13:05:23,775 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:05:23,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 13:05:23,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:23,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:05:23,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:05:23,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:05:23,776 INFO L87 Difference]: Start difference. First operand 2986 states and 3498 transitions. Second operand 3 states. [2018-11-18 13:05:23,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:23,912 INFO L93 Difference]: Finished difference Result 3537 states and 4163 transitions. [2018-11-18 13:05:23,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:05:23,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2018-11-18 13:05:23,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:23,917 INFO L225 Difference]: With dead ends: 3537 [2018-11-18 13:05:23,918 INFO L226 Difference]: Without dead ends: 1239 [2018-11-18 13:05:23,922 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:05:23,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2018-11-18 13:05:23,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1226. [2018-11-18 13:05:23,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1226 states. [2018-11-18 13:05:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1397 transitions. [2018-11-18 13:05:23,982 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1397 transitions. Word has length 371 [2018-11-18 13:05:23,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:23,982 INFO L480 AbstractCegarLoop]: Abstraction has 1226 states and 1397 transitions. [2018-11-18 13:05:23,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:05:23,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1397 transitions. [2018-11-18 13:05:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-18 13:05:23,989 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:05:23,989 INFO L375 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, 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, 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] [2018-11-18 13:05:23,990 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:05:23,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:23,990 INFO L82 PathProgramCache]: Analyzing trace with hash 18524145, now seen corresponding path program 1 times [2018-11-18 13:05:23,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:05:23,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:23,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:23,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:05:23,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:05:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-18 13:05:24,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:24,182 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:05:24,182 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 393 with the following transitions: [2018-11-18 13:05:24,182 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], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [102], [103], [104], [105], [106], [110], [116], [120], [124], [127], [130], [132], [138], [140], [143], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [178], [181], [183], [185], [186], [187], [188], [226], [229], [233], [239], [240], [241], [244], [248], [249], [253], [256], [258], [261], [264], [268], [271], [274], [278], [279], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [293], [294], [295], [296], [297], [298], [302], [303], [304], [305], [306], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [350], [351], [352], [353], [354], [355], [356], [357] [2018-11-18 13:05:24,186 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:05:24,186 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:05:26,613 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:05:26,614 INFO L272 AbstractInterpreter]: Visited 153 different actions 1583 times. Merged at 41 different actions 356 times. Widened at 1 different actions 2 times. Performed 60846 root evaluator evaluations with a maximum evaluation depth of 5. Performed 60846 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 66 fixpoints after 8 different actions. Largest state had 134 variables. [2018-11-18 13:05:26,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:05:26,615 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:05:26,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:05:26,615 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/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 [2018-11-18 13:05:26,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:05:26,622 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:05:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:26,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:05:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-18 13:05:26,800 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:05:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-18 13:05:27,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:05:27,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 13:05:27,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:05:27,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:05:27,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:05:27,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:05:27,160 INFO L87 Difference]: Start difference. First operand 1226 states and 1397 transitions. Second operand 6 states. [2018-11-18 13:05:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:05:27,191 INFO L93 Difference]: Finished difference Result 1497 states and 1694 transitions. [2018-11-18 13:05:27,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:05:27,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 392 [2018-11-18 13:05:27,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:05:27,193 INFO L225 Difference]: With dead ends: 1497 [2018-11-18 13:05:27,193 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:05:27,194 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 795 GetRequests, 779 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:05:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:05:27,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:05:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:05:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:05:27,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-11-18 13:05:27,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:05:27,195 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:05:27,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:05:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:05:27,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:05:27,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:05:27,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:27,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:05:28,091 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2018-11-18 13:05:28,215 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-11-18 13:05:28,533 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 49 [2018-11-18 13:05:28,787 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2018-11-18 13:05:28,947 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 35 [2018-11-18 13:05:29,355 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 49 [2018-11-18 13:05:29,713 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-11-18 13:05:29,867 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2018-11-18 13:05:30,041 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2018-11-18 13:05:30,284 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2018-11-18 13:05:30,813 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2018-11-18 13:05:31,075 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 40 [2018-11-18 13:05:31,442 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 53 [2018-11-18 13:05:31,522 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1002 1008) the Hoare annotation is: true [2018-11-18 13:05:31,522 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1002 1008) no Hoare annotation was computed. [2018-11-18 13:05:31,522 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 1009 1017) no Hoare annotation was computed. [2018-11-18 13:05:31,522 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 1009 1017) the Hoare annotation is: true [2018-11-18 13:05:31,523 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 1009 1017) no Hoare annotation was computed. [2018-11-18 13:05:31,523 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 836 843) 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))) [2018-11-18 13:05:31,523 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 836 843) no Hoare annotation was computed. [2018-11-18 13:05:31,523 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 836 843) no Hoare annotation was computed. [2018-11-18 13:05:31,523 INFO L425 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-11-18 13:05:31,523 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 844 853) 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))) [2018-11-18 13:05:31,523 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 844 853) no Hoare annotation was computed. [2018-11-18 13:05:31,523 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 844 853) no Hoare annotation was computed. [2018-11-18 13:05:31,523 INFO L421 ceAbstractionStarter]: At program point L864(line 864) 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))))) [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point L862(lines 862 879) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L428 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 854 882) the Hoare annotation is: true [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 854 882) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L421 ceAbstractionStarter]: At program point L869(line 869) 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))) [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 960 982) 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))) [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 960 982) no Hoare annotation was computed. [2018-11-18 13:05:31,524 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 960 982) no Hoare annotation was computed. [2018-11-18 13:05:31,525 INFO L421 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:05:31,525 INFO L421 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:05:31,525 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2018-11-18 13:05:31,525 INFO L425 ceAbstractionStarter]: For program point L970-1(lines 970 977) no Hoare annotation was computed. [2018-11-18 13:05:31,525 INFO L425 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2018-11-18 13:05:31,525 INFO L421 ceAbstractionStarter]: At program point L967(line 967) 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))) [2018-11-18 13:05:31,525 INFO L421 ceAbstractionStarter]: At program point L966(line 966) 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))) [2018-11-18 13:05:31,525 INFO L421 ceAbstractionStarter]: At program point L966-1(line 966) 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))) [2018-11-18 13:05:31,525 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 444 458) no Hoare annotation was computed. [2018-11-18 13:05:31,525 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 454) no Hoare annotation was computed. [2018-11-18 13:05:31,525 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 444 458) 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))))) [2018-11-18 13:05:31,525 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 444 458) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L421 ceAbstractionStarter]: At program point L450(line 450) 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)))) [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L428 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 425 443) the Hoare annotation is: true [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 425 443) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 438) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 425 443) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 995 1001) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 995 1001) the Hoare annotation is: true [2018-11-18 13:05:31,526 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 946 956) 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))) [2018-11-18 13:05:31,526 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 946 956) no Hoare annotation was computed. [2018-11-18 13:05:31,526 INFO L421 ceAbstractionStarter]: At program point L951(line 951) 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))) [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 946 956) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 350 360) the Hoare annotation is: true [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L428 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 342 349) 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)))) [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L421 ceAbstractionStarter]: At program point L310(line 310) 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))) [2018-11-18 13:05:31,527 INFO L425 ceAbstractionStarter]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2018-11-18 13:05:31,527 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 291 315) 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))) [2018-11-18 13:05:31,527 INFO L421 ceAbstractionStarter]: At program point L305(line 305) 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))) [2018-11-18 13:05:31,528 INFO L421 ceAbstractionStarter]: At program point L301(line 301) 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 (and (<= 1 processEnvironment_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 307) no Hoare annotation was computed. [2018-11-18 13:05:31,528 INFO L421 ceAbstractionStarter]: At program point L297(line 297) 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))) [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point L295(lines 295 312) no Hoare annotation was computed. [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-18 13:05:31,528 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2018-11-18 13:05:31,528 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2018-11-18 13:05:31,528 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 154 219) 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))) [2018-11-18 13:05:31,528 INFO L421 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and (and (and .cse3 .cse0 .cse2) .cse5) .cse6) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse6 .cse5) (and .cse3 (<= ~waterLevel~0 0) .cse2 .cse6 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:05:31,528 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 190) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L425 ceAbstractionStarter]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L421 ceAbstractionStarter]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse0 (<= ~waterLevel~0 2) .cse2 (= 0 ~systemActive~0) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:05:31,529 INFO L421 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse5 (and .cse3 .cse1 .cse2)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 .cse2) (= 0 ~systemActive~0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse4) (and .cse5 (= 1 ~waterLevel~0)) (and .cse5 .cse0 .cse4) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:05:31,529 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 164 211) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L421 ceAbstractionStarter]: At program point L212(lines 163 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:05:31,529 INFO L421 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (<= ~waterLevel~0 2) .cse3 .cse1 .cse4) (and .cse0 .cse5 .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse5 .cse1) (and .cse0 (= 2 ~waterLevel~0) .cse1) (and (<= 2 ~waterLevel~0) (and .cse2 .cse3 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:05:31,529 INFO L425 ceAbstractionStarter]: For program point L200(lines 200 206) no Hoare annotation was computed. [2018-11-18 13:05:31,529 INFO L421 ceAbstractionStarter]: At program point L200-1(lines 194 207) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and (and .cse3 .cse0 .cse2) .cse4) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and (<= ~waterLevel~0 1) (and .cse3 .cse2) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point L165(lines 164 211) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 207) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) 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))) [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:05:31,530 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 13:05:31,531 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:05:31,531 INFO L421 ceAbstractionStarter]: At program point L336(line 336) 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))) [2018-11-18 13:05:31,531 INFO L425 ceAbstractionStarter]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2018-11-18 13:05:31,531 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-11-18 13:05:31,531 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2018-11-18 13:05:31,531 INFO L421 ceAbstractionStarter]: At program point L330(line 330) 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))) [2018-11-18 13:05:31,531 INFO L425 ceAbstractionStarter]: For program point L330-1(line 330) no Hoare annotation was computed. [2018-11-18 13:05:31,531 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 325 341) 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))) [2018-11-18 13:05:31,531 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L425 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L428 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: true [2018-11-18 13:05:31,532 INFO L425 ceAbstractionStarter]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L425 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2018-11-18 13:05:31,532 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-18 13:05:31,532 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-18 13:05:31,532 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-11-18 13:05:31,533 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-18 13:05:31,533 INFO L425 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2018-11-18 13:05:31,533 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 885 914) no Hoare annotation was computed. [2018-11-18 13:05:31,533 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 903) no Hoare annotation was computed. [2018-11-18 13:05:31,533 INFO L428 ceAbstractionStarter]: At program point L899-1(lines 899 903) the Hoare annotation is: true [2018-11-18 13:05:31,533 INFO L425 ceAbstractionStarter]: For program point L895-1(lines 895 909) no Hoare annotation was computed. [2018-11-18 13:05:31,533 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 885 914) the Hoare annotation is: true [2018-11-18 13:05:31,533 INFO L428 ceAbstractionStarter]: At program point L895-3(lines 895 909) the Hoare annotation is: true [2018-11-18 13:05:31,533 INFO L428 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: true [2018-11-18 13:05:31,533 INFO L425 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2018-11-18 13:05:31,533 INFO L428 ceAbstractionStarter]: At program point L910(lines 885 914) the Hoare annotation is: true [2018-11-18 13:05:31,533 INFO L425 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2018-11-18 13:05:31,534 INFO L421 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse1) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse4) (or .cse0 .cse2 .cse4 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 13:05:31,534 INFO L421 ceAbstractionStarter]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~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 (= 1 ~waterLevel~0))) (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse3 .cse0)))) [2018-11-18 13:05:31,534 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 230 256) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= ~systemActive~0 0))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse2 (and .cse9 .cse6)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or (and (= ~pumpRunning~0 1) .cse6) (or (or .cse1 .cse7) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse4 .cse0 .cse8 .cse3 .cse5) (or (or .cse0 .cse1 .cse7) (and .cse9 (= 2 ~waterLevel~0))) (or .cse0 .cse8 .cse10 .cse11 .cse12) (or .cse8 .cse10 .cse2 .cse0) (or .cse0 .cse1 .cse11 .cse12 .cse3)))) [2018-11-18 13:05:31,534 INFO L421 ceAbstractionStarter]: At program point L239(line 239) 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 .cse1 (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)|)))))) [2018-11-18 13:05:31,534 INFO L425 ceAbstractionStarter]: For program point L237(lines 233 255) no Hoare annotation was computed. [2018-11-18 13:05:31,534 INFO L425 ceAbstractionStarter]: For program point L235(lines 233 255) no Hoare annotation was computed. [2018-11-18 13:05:31,534 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 230 256) no Hoare annotation was computed. [2018-11-18 13:05:31,534 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 230 256) no Hoare annotation was computed. [2018-11-18 13:05:31,534 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-18 13:05:31,534 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-18 13:05:31,534 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) 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)) [2018-11-18 13:05:31,535 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 939 945) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 939 945) the Hoare annotation is: true [2018-11-18 13:05:31,535 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 13:05:31,535 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:05:31,535 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 265 289) 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))) [2018-11-18 13:05:31,535 INFO L421 ceAbstractionStarter]: At program point L284(line 284) 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))))) [2018-11-18 13:05:31,535 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 265 289) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L425 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2018-11-18 13:05:31,535 INFO L421 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse0))) [2018-11-18 13:05:31,535 INFO L421 ceAbstractionStarter]: At program point L275(line 275) 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)))) [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2018-11-18 13:05:31,536 INFO L421 ceAbstractionStarter]: At program point L271(line 271) 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))) [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-18 13:05:31,536 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) 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))) [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 826 833) no Hoare annotation was computed. [2018-11-18 13:05:31,536 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 826 833) the Hoare annotation is: true [2018-11-18 13:05:31,536 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 826 833) no Hoare annotation was computed. [2018-11-18 13:05:31,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:05:31 BoogieIcfgContainer [2018-11-18 13:05:31,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:05:31,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:05:31,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:05:31,547 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:05:31,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:05:07" (3/4) ... [2018-11-18 13:05:31,550 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:05:31,555 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:05:31,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:05:31,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:05:31,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:05:31,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:05:31,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:05:31,564 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 13:05:31,565 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:05:31,565 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:05:31,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 2) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 13:05:31,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 13:05:31,629 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2be1b7b-b8bb-4d29-a7b8-b1b68bb16ddf/bin-2019/utaipan/witness.graphml [2018-11-18 13:05:31,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:05:31,630 INFO L168 Benchmark]: Toolchain (without parser) took 25251.63 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 956.4 MB in the beginning and 716.5 MB in the end (delta: 239.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 13:05:31,631 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:05:31,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:31,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:05:31,632 INFO L168 Benchmark]: Boogie Preprocessor took 30.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:31,632 INFO L168 Benchmark]: RCFGBuilder took 507.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:31,632 INFO L168 Benchmark]: TraceAbstraction took 24209.30 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 716.5 MB in the end (delta: 313.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 13:05:31,632 INFO L168 Benchmark]: Witness Printer took 83.36 ms. Allocated memory is still 2.6 GB. Free memory is still 716.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:05:31,634 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 392.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 507.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24209.30 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 716.5 MB in the end (delta: 313.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 83.36 ms. Allocated memory is still 2.6 GB. Free memory is still 716.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: 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: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 2) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 174 locations, 1 error locations. SAFE Result, 24.1s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2663 SDtfs, 2569 SDslu, 7770 SDs, 0 SdLazy, 6032 SolverSat, 1206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2676 GetRequests, 2502 SyntacticMatches, 20 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2986occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.1s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 776 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 4177 PreInvPairs, 4383 NumberOfFragments, 2483 HoareAnnotationTreeSize, 4177 FomulaSimplifications, 16910 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 35619 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3180 NumberOfCodeBlocks, 3180 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4404 ConstructedInterpolants, 0 QuantifiedInterpolants, 1628002 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4781 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 4100/4230 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...