./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/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 324eb41748355c32a9add81086317d66d1f7b200 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:51:26,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:51:26,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:51:26,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:51:26,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:51:26,771 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:51:26,772 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:51:26,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:51:26,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:51:26,775 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:51:26,775 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:51:26,775 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:51:26,776 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:51:26,777 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:51:26,777 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:51:26,778 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:51:26,778 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:51:26,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:51:26,781 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:51:26,782 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:51:26,783 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:51:26,783 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:51:26,785 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:51:26,785 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:51:26,785 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:51:26,786 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:51:26,786 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:51:26,787 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:51:26,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:51:26,788 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:51:26,788 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:51:26,789 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:51:26,789 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:51:26,789 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:51:26,789 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:51:26,790 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:51:26,790 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:51:26,798 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:51:26,798 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:51:26,799 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:51:26,799 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:51:26,799 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:51:26,799 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:51:26,800 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:51:26,800 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:51:26,800 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:51:26,800 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:51:26,800 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:51:26,800 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:51:26,800 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:51:26,801 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:51:26,801 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:51:26,801 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:51:26,801 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:51:26,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:51:26,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:51:26,802 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:51:26,802 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:51:26,802 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:51:26,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:51:26,802 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:51:26,802 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:51:26,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:51:26,803 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:51:26,803 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:51:26,803 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:51:26,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:51:26,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:51:26,803 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:51:26,803 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:51:26,803 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:51:26,804 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:51:26,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:51:26,804 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:51:26,804 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_83c69c08-9cfd-4204-ba61-289a7ea69bce/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 -> 324eb41748355c32a9add81086317d66d1f7b200 [2018-11-23 13:51:26,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:51:26,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:51:26,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:51:26,840 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:51:26,840 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:51:26,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-23 13:51:26,880 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/data/ee11f3033/01b45aef8b394ed8b12edb537f0fc9f5/FLAG0aa128371 [2018-11-23 13:51:27,302 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:51:27,302 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-23 13:51:27,308 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/data/ee11f3033/01b45aef8b394ed8b12edb537f0fc9f5/FLAG0aa128371 [2018-11-23 13:51:27,317 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/data/ee11f3033/01b45aef8b394ed8b12edb537f0fc9f5 [2018-11-23 13:51:27,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:51:27,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:51:27,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:51:27,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:51:27,323 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:51:27,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27, skipping insertion in model container [2018-11-23 13:51:27,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:51:27,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:51:27,554 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:51:27,607 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:51:27,659 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:51:27,681 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:51:27,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27 WrapperNode [2018-11-23 13:51:27,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:51:27,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:51:27,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:51:27,683 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:51:27,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:51:27,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:51:27,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:51:27,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:51:27,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... [2018-11-23 13:51:27,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:51:27,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:51:27,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:51:27,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:51:27,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:51:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:51:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:51:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:51:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:51:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 13:51:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 13:51:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:51:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:51:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:51:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:51:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:51:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:51:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:51:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:51:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:51:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:51:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:51:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:51:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:51:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 13:51:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 13:51:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:51:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:51:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:51:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:51:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 13:51:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 13:51:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:51:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:51:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:51:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:51:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:51:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:51:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:51:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:51:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:51:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:51:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:51:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:51:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:51:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:51:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:51:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:51:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:51:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:51:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:51:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:51:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:51:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:51:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:51:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:51:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:51:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:51:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:51:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:51:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:51:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 13:51:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 13:51:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:51:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:51:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:51:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:51:28,309 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:51:28,309 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:51:28,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:28 BoogieIcfgContainer [2018-11-23 13:51:28,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:51:28,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:51:28,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:51:28,313 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:51:28,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:27" (1/3) ... [2018-11-23 13:51:28,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cc6288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:28, skipping insertion in model container [2018-11-23 13:51:28,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:27" (2/3) ... [2018-11-23 13:51:28,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cc6288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:28, skipping insertion in model container [2018-11-23 13:51:28,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:28" (3/3) ... [2018-11-23 13:51:28,316 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-23 13:51:28,325 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:51:28,332 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:51:28,342 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:51:28,363 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:51:28,363 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:51:28,363 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:51:28,363 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:51:28,363 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:51:28,363 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:51:28,363 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:51:28,363 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:51:28,377 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-23 13:51:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 13:51:28,385 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:28,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:28,388 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:28,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash 309497542, now seen corresponding path program 1 times [2018-11-23 13:51:28,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:28,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:28,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:28,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:28,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:28,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:28,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:51:28,587 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:28,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:51:28,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:51:28,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:51:28,603 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-23 13:51:28,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:28,630 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2018-11-23 13:51:28,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:51:28,632 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 13:51:28,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:28,639 INFO L225 Difference]: With dead ends: 292 [2018-11-23 13:51:28,639 INFO L226 Difference]: Without dead ends: 146 [2018-11-23 13:51:28,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:51:28,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-23 13:51:28,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-23 13:51:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-23 13:51:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2018-11-23 13:51:28,677 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2018-11-23 13:51:28,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:28,678 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2018-11-23 13:51:28,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:51:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2018-11-23 13:51:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 13:51:28,680 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:28,680 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:28,681 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:28,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:28,681 INFO L82 PathProgramCache]: Analyzing trace with hash 50384909, now seen corresponding path program 1 times [2018-11-23 13:51:28,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:28,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:28,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:28,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:28,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:28,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:28,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:51:28,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:28,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:51:28,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:51:28,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:51:28,772 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2018-11-23 13:51:28,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:28,792 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2018-11-23 13:51:28,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:51:28,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 13:51:28,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:28,794 INFO L225 Difference]: With dead ends: 241 [2018-11-23 13:51:28,794 INFO L226 Difference]: Without dead ends: 137 [2018-11-23 13:51:28,796 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:51:28,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-23 13:51:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-23 13:51:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 13:51:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-11-23 13:51:28,808 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2018-11-23 13:51:28,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:28,808 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-11-23 13:51:28,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:51:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-11-23 13:51:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 13:51:28,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:28,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:28,810 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:28,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:28,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1719848662, now seen corresponding path program 1 times [2018-11-23 13:51:28,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:28,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:28,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:28,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:28,812 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:28,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:28,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:51:28,926 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:28,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:51:28,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:51:28,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:51:28,927 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2018-11-23 13:51:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:29,171 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2018-11-23 13:51:29,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:51:29,172 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 13:51:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:29,173 INFO L225 Difference]: With dead ends: 250 [2018-11-23 13:51:29,173 INFO L226 Difference]: Without dead ends: 137 [2018-11-23 13:51:29,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:51:29,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-23 13:51:29,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-23 13:51:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 13:51:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2018-11-23 13:51:29,186 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2018-11-23 13:51:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:29,187 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2018-11-23 13:51:29,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:51:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2018-11-23 13:51:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:51:29,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:29,189 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:29,189 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:29,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:29,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1872109176, now seen corresponding path program 1 times [2018-11-23 13:51:29,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:29,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:29,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:29,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:29,191 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:29,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:29,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:51:29,281 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:29,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:51:29,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:51:29,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:51:29,282 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2018-11-23 13:51:29,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:29,645 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2018-11-23 13:51:29,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:51:29,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 13:51:29,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:29,647 INFO L225 Difference]: With dead ends: 358 [2018-11-23 13:51:29,647 INFO L226 Difference]: Without dead ends: 245 [2018-11-23 13:51:29,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:51:29,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-23 13:51:29,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2018-11-23 13:51:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 13:51:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2018-11-23 13:51:29,669 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2018-11-23 13:51:29,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:29,670 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2018-11-23 13:51:29,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:51:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2018-11-23 13:51:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 13:51:29,672 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:29,672 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:29,673 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:29,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:29,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1423110013, now seen corresponding path program 1 times [2018-11-23 13:51:29,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:29,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:29,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:29,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:29,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:29,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:29,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:51:29,755 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:29,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:51:29,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:51:29,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:51:29,756 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2018-11-23 13:51:29,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:29,871 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2018-11-23 13:51:29,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:51:29,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 13:51:29,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:29,876 INFO L225 Difference]: With dead ends: 556 [2018-11-23 13:51:29,876 INFO L226 Difference]: Without dead ends: 353 [2018-11-23 13:51:29,877 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:51:29,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-11-23 13:51:29,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2018-11-23 13:51:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-11-23 13:51:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2018-11-23 13:51:29,901 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2018-11-23 13:51:29,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:29,901 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2018-11-23 13:51:29,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:51:29,901 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2018-11-23 13:51:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:51:29,903 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:29,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:29,903 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:29,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:29,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1055268227, now seen corresponding path program 1 times [2018-11-23 13:51:29,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:29,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:29,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:29,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:29,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:29,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:29,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:51:29,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:29,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:51:29,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:51:29,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:51:29,989 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2018-11-23 13:51:30,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:30,122 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2018-11-23 13:51:30,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:51:30,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 13:51:30,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:30,125 INFO L225 Difference]: With dead ends: 750 [2018-11-23 13:51:30,125 INFO L226 Difference]: Without dead ends: 547 [2018-11-23 13:51:30,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:51:30,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-11-23 13:51:30,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2018-11-23 13:51:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-23 13:51:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2018-11-23 13:51:30,155 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2018-11-23 13:51:30,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:30,155 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2018-11-23 13:51:30,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:51:30,156 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2018-11-23 13:51:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:51:30,157 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:30,157 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:30,157 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:30,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:30,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1977951810, now seen corresponding path program 1 times [2018-11-23 13:51:30,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:30,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:30,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:30,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:30,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:30,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:30,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:51:30,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:30,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:51:30,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:51:30,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:51:30,226 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2018-11-23 13:51:30,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:30,258 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2018-11-23 13:51:30,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:51:30,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-11-23 13:51:30,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:30,261 INFO L225 Difference]: With dead ends: 922 [2018-11-23 13:51:30,261 INFO L226 Difference]: Without dead ends: 539 [2018-11-23 13:51:30,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:51:30,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-11-23 13:51:30,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2018-11-23 13:51:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-23 13:51:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2018-11-23 13:51:30,289 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2018-11-23 13:51:30,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:30,290 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2018-11-23 13:51:30,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:51:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2018-11-23 13:51:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:51:30,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:30,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:30,292 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:30,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:30,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1473009984, now seen corresponding path program 1 times [2018-11-23 13:51:30,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:30,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:30,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:30,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:30,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:30,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:30,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 13:51:30,402 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:30,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:51:30,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:51:30,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:51:30,403 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2018-11-23 13:51:30,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:30,467 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2018-11-23 13:51:30,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:51:30,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-23 13:51:30,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:30,471 INFO L225 Difference]: With dead ends: 1059 [2018-11-23 13:51:30,471 INFO L226 Difference]: Without dead ends: 550 [2018-11-23 13:51:30,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:51:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-11-23 13:51:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2018-11-23 13:51:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-11-23 13:51:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2018-11-23 13:51:30,499 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2018-11-23 13:51:30,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:30,499 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2018-11-23 13:51:30,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:51:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2018-11-23 13:51:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 13:51:30,501 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:30,501 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:30,501 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:30,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:30,502 INFO L82 PathProgramCache]: Analyzing trace with hash 341149841, now seen corresponding path program 1 times [2018-11-23 13:51:30,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:30,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:30,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:30,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:30,503 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:51:30,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:51:30,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:51:30,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-11-23 13:51:30,601 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [91], [97], [99], [102], [121], [122], [123], [125], [128], [133], [134], [136], [141], [143], [144], [145], [146], [185], [189], [196], [197], [198], [200], [205], [207], [210], [212], [217], [231], [235], [238], [240], [243], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [276], [278], [279], [286], [287], [288], [289], [292], [296], [297], [300], [301], [308], [309], [310], [312], [313], [314], [315], [316], [317], [318], [320], [321], [322], [324], [325], [326], [327] [2018-11-23 13:51:30,634 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:51:30,634 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:51:31,084 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:51:31,085 INFO L272 AbstractInterpreter]: Visited 98 different actions 100 times. Never merged. Never widened. Performed 3122 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3122 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-23 13:51:31,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:31,107 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:51:31,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:51:31,107 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:51:31,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:31,122 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:51:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:31,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:51:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:51:31,356 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:51:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:51:31,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:51:31,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-23 13:51:31,715 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:31,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:51:31,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:51:31,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:51:31,716 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 8 states. [2018-11-23 13:51:31,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:31,937 INFO L93 Difference]: Finished difference Result 1559 states and 1879 transitions. [2018-11-23 13:51:31,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:51:31,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-11-23 13:51:31,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:31,941 INFO L225 Difference]: With dead ends: 1559 [2018-11-23 13:51:31,941 INFO L226 Difference]: Without dead ends: 1043 [2018-11-23 13:51:31,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 188 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:51:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2018-11-23 13:51:31,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1040. [2018-11-23 13:51:31,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2018-11-23 13:51:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1230 transitions. [2018-11-23 13:51:31,982 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1230 transitions. Word has length 100 [2018-11-23 13:51:31,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:31,982 INFO L480 AbstractCegarLoop]: Abstraction has 1040 states and 1230 transitions. [2018-11-23 13:51:31,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:51:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1230 transitions. [2018-11-23 13:51:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 13:51:31,984 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:31,984 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:31,984 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:31,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:31,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1406056147, now seen corresponding path program 1 times [2018-11-23 13:51:31,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:31,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:31,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:31,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:31,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:51:32,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:32,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 13:51:32,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:32,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:51:32,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:51:32,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:51:32,093 INFO L87 Difference]: Start difference. First operand 1040 states and 1230 transitions. Second operand 10 states. [2018-11-23 13:51:32,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:32,225 INFO L93 Difference]: Finished difference Result 2068 states and 2449 transitions. [2018-11-23 13:51:32,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 13:51:32,225 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-23 13:51:32,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:32,228 INFO L225 Difference]: With dead ends: 2068 [2018-11-23 13:51:32,228 INFO L226 Difference]: Without dead ends: 1052 [2018-11-23 13:51:32,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:51:32,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2018-11-23 13:51:32,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1018. [2018-11-23 13:51:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2018-11-23 13:51:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1167 transitions. [2018-11-23 13:51:32,261 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1167 transitions. Word has length 104 [2018-11-23 13:51:32,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:32,261 INFO L480 AbstractCegarLoop]: Abstraction has 1018 states and 1167 transitions. [2018-11-23 13:51:32,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:51:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1167 transitions. [2018-11-23 13:51:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 13:51:32,263 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:32,263 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:32,263 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:32,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:32,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836691, now seen corresponding path program 1 times [2018-11-23 13:51:32,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:32,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:32,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:32,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:32,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:51:32,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:51:32,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 13:51:32,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:32,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:51:32,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:51:32,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:51:32,347 INFO L87 Difference]: Start difference. First operand 1018 states and 1167 transitions. Second operand 10 states. [2018-11-23 13:51:32,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:32,471 INFO L93 Difference]: Finished difference Result 1962 states and 2281 transitions. [2018-11-23 13:51:32,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 13:51:32,472 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-23 13:51:32,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:32,475 INFO L225 Difference]: With dead ends: 1962 [2018-11-23 13:51:32,475 INFO L226 Difference]: Without dead ends: 968 [2018-11-23 13:51:32,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:51:32,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2018-11-23 13:51:32,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 952. [2018-11-23 13:51:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2018-11-23 13:51:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1079 transitions. [2018-11-23 13:51:32,503 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1079 transitions. Word has length 104 [2018-11-23 13:51:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:32,503 INFO L480 AbstractCegarLoop]: Abstraction has 952 states and 1079 transitions. [2018-11-23 13:51:32,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:51:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1079 transitions. [2018-11-23 13:51:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 13:51:32,506 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:51:32,506 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:51:32,506 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:51:32,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:32,506 INFO L82 PathProgramCache]: Analyzing trace with hash -968247840, now seen corresponding path program 1 times [2018-11-23 13:51:32,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:51:32,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:32,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:32,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:51:32,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:51:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:51:32,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:51:32,566 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:51:32,567 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-23 13:51:32,567 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [89], [91], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [139], [143], [144], [145], [146], [182], [185], [189], [195], [196], [197], [198], [200], [203], [205], [207], [210], [212], [217], [223], [226], [230], [231], [235], [238], [240], [243], [253], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [278], [279], [280], [281], [282], [283], [286], [287], [292], [293], [296], [297], [298], [299], [300], [301], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [320], [321], [322], [324], [325], [326], [327] [2018-11-23 13:51:32,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:51:32,571 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:51:33,135 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:51:33,136 INFO L272 AbstractInterpreter]: Visited 122 different actions 279 times. Merged at 14 different actions 14 times. Never widened. Performed 8242 root evaluator evaluations with a maximum evaluation depth of 5. Performed 8242 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-23 13:51:33,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:51:33,146 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:51:33,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:51:33,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:51:33,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:51:33,156 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:51:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:51:33,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:51:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:51:33,329 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:51:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 13:51:33,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:51:33,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2018-11-23 13:51:33,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:51:33,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:51:33,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:51:33,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:51:33,535 INFO L87 Difference]: Start difference. First operand 952 states and 1079 transitions. Second operand 9 states. [2018-11-23 13:51:33,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:51:33,794 INFO L93 Difference]: Finished difference Result 1731 states and 2046 transitions. [2018-11-23 13:51:33,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:51:33,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2018-11-23 13:51:33,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:51:33,796 INFO L225 Difference]: With dead ends: 1731 [2018-11-23 13:51:33,796 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:51:33,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-11-23 13:51:33,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:51:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:51:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:51:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:51:33,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2018-11-23 13:51:33,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:51:33,800 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:51:33,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:51:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:51:33,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:51:33,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:51:34,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:51:34,603 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2018-11-23 13:51:35,033 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2018-11-23 13:51:35,249 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2018-11-23 13:51:35,663 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2018-11-23 13:51:36,365 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2018-11-23 13:51:36,625 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2018-11-23 13:51:37,043 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2018-11-23 13:51:37,078 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2018-11-23 13:51:37,078 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2018-11-23 13:51:37,078 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2018-11-23 13:51:37,078 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2018-11-23 13:51:37,078 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,079 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,079 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,079 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2018-11-23 13:51:37,079 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2018-11-23 13:51:37,079 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L451 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2018-11-23 13:51:37,080 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L451 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2018-11-23 13:51:37,080 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 13:51:37,081 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2018-11-23 13:51:37,081 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2018-11-23 13:51:37,081 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-11-23 13:51:37,081 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-11-23 13:51:37,081 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-23 13:51:37,081 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-11-23 13:51:37,081 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2018-11-23 13:51:37,081 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse6 .cse7 .cse4 .cse5 .cse0) (or .cse1 .cse6 .cse0 .cse7 .cse4))) [2018-11-23 13:51:37,081 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse2 .cse3 .cse7) (or .cse4 .cse5 .cse7 .cse6 .cse2))) [2018-11-23 13:51:37,081 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-11-23 13:51:37,082 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-11-23 13:51:37,082 INFO L444 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:51:37,082 INFO L448 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2018-11-23 13:51:37,083 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2018-11-23 13:51:37,083 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:51:37,083 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-11-23 13:51:37,083 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-11-23 13:51:37,083 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (and .cse1 .cse3 .cse4 .cse2) (not (= ~systemActive~0 1)) (and .cse0 .cse3 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse5 .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:51:37,083 INFO L444 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (and .cse1 .cse3 .cse4 .cse2) (not (= ~systemActive~0 1)) (and .cse0 .cse3 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse5 .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:51:37,083 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-11-23 13:51:37,083 INFO L448 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-11-23 13:51:37,083 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-23 13:51:37,084 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2018-11-23 13:51:37,085 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-11-23 13:51:37,085 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-23 13:51:37,085 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2018-11-23 13:51:37,085 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-23 13:51:37,085 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2018-11-23 13:51:37,085 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2018-11-23 13:51:37,085 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-11-23 13:51:37,085 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2018-11-23 13:51:37,085 INFO L451 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-11-23 13:51:37,085 INFO L448 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2018-11-23 13:51:37,085 INFO L448 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2018-11-23 13:51:37,086 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse3 (or .cse1 .cse2 .cse6)) (or .cse0 .cse7 .cse4 .cse3 .cse2) (or .cse7 .cse3 .cse2 .cse6 .cse5))) [2018-11-23 13:51:37,086 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-11-23 13:51:37,086 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-11-23 13:51:37,086 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-11-23 13:51:37,086 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-11-23 13:51:37,086 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-11-23 13:51:37,087 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-23 13:51:37,087 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-11-23 13:51:37,087 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-11-23 13:51:37,087 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse2 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse9 .cse4)) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse7 (or .cse9 .cse4 .cse10)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse6) (or .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3 .cse2) (or .cse9 .cse4 .cse6 .cse10 .cse5) (or .cse1 .cse5 .cse4 .cse6 .cse10) (or .cse1 .cse3 .cse4 .cse10 .cse2) (or .cse0 .cse11 .cse8 .cse12) (or .cse12 .cse11 .cse1 .cse4 .cse10) (or .cse0 .cse5 .cse9 .cse4 .cse6) (or .cse11 .cse12 .cse7) (or .cse0 .cse11 .cse1 .cse4 .cse12)))) [2018-11-23 13:51:37,087 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse10 (<= ~waterLevel~0 1)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (and (< ~waterLevel~0 3) .cse12)) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse9 (and .cse10 .cse12)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse5 .cse4 .cse6 .cse7) (or .cse0 (or .cse8 .cse4) .cse3 .cse9) (or .cse1 .cse3 .cse4 .cse7 .cse2) (or .cse3 .cse9 (or .cse8 .cse4 .cse7)) (or .cse10 .cse11 .cse1 .cse4 .cse7) (or .cse0 .cse11 .cse1 .cse4 .cse10)))) [2018-11-23 13:51:37,087 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-11-23 13:51:37,087 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse13 (< ~waterLevel~0 3)) (.cse14 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse1 (and (= 0 ~pumpRunning~0) .cse10)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and .cse10 .cse14)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= 3 |old(~waterLevel~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse12 (and .cse13 (= ~pumpRunning~0 1))) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse9 .cse6 .cse10 .cse3) (or .cse6 .cse7 .cse3 .cse8 .cse11) (or .cse1 .cse4 .cse5 (or .cse2 .cse3 .cse11)) (or .cse9 .cse10 .cse6 .cse3 .cse11) (or .cse12 .cse0 .cse6 (and .cse13 .cse14) .cse4 .cse3) (or .cse5 .cse6 .cse4 .cse3 .cse12 .cse11)))) [2018-11-23 13:51:37,088 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-11-23 13:51:37,088 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse5 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse7 (or .cse9 .cse3)) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse6 (or .cse9 .cse3 .cse4)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse2 .cse5) (or .cse8 .cse9 .cse3 .cse10 .cse4) (or .cse0 .cse11 .cse7 .cse12) (or .cse11 .cse12 .cse6) (or .cse0 .cse8 .cse9 .cse3 .cse10)))) [2018-11-23 13:51:37,088 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-11-23 13:51:37,088 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2018-11-23 13:51:37,088 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2018-11-23 13:51:37,088 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2018-11-23 13:51:37,088 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2018-11-23 13:51:37,088 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (<= 3 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2))) [2018-11-23 13:51:37,088 INFO L448 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2018-11-23 13:51:37,088 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2018-11-23 13:51:37,089 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2018-11-23 13:51:37,089 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2018-11-23 13:51:37,089 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2))) [2018-11-23 13:51:37,089 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2018-11-23 13:51:37,089 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-11-23 13:51:37,089 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2018-11-23 13:51:37,089 INFO L451 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2018-11-23 13:51:37,089 INFO L448 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2018-11-23 13:51:37,089 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (<= 3 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or .cse3 .cse4 .cse5 .cse1) (or .cse4 .cse5 .cse1 .cse2))) [2018-11-23 13:51:37,089 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (or (= ~pumpRunning~0 0) .cse6)) (.cse0 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse3) (or .cse8 .cse2 .cse9 .cse3 .cse4) (or .cse10 .cse5 .cse2 .cse6 .cse7) (or .cse10 .cse8 .cse2 .cse9 .cse4) (or .cse10 .cse1 .cse2 .cse4 .cse0)))) [2018-11-23 13:51:37,090 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-11-23 13:51:37,090 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-11-23 13:51:37,090 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-23 13:51:37,090 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-11-23 13:51:37,090 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:51:37,090 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-23 13:51:37,090 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:51:37,090 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:51:37,090 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse6 .cse7 .cse4 .cse5 .cse0) (or .cse1 .cse6 .cse0 .cse7 .cse4))) [2018-11-23 13:51:37,090 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-11-23 13:51:37,091 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-11-23 13:51:37,091 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-11-23 13:51:37,091 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse4 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse4 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2018-11-23 13:51:37,091 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (and (<= ~waterLevel~0 1) .cse9)) (.cse4 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 ~waterLevel~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse4 .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse6 .cse7 .cse3)))) [2018-11-23 13:51:37,091 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-11-23 13:51:37,091 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse2 .cse3 .cse7) (or .cse4 .cse5 .cse7 .cse6 .cse2))) [2018-11-23 13:51:37,091 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-11-23 13:51:37,091 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-11-23 13:51:37,091 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-11-23 13:51:37,091 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2018-11-23 13:51:37,092 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (< ~waterLevel~0 3)) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse7 .cse4 .cse8) (or .cse7 .cse9 .cse4 .cse10 .cse8) (or .cse0 .cse9 .cse3 .cse4 .cse10) (or .cse0 .cse1 .cse7 .cse4 .cse2) (or .cse3 .cse4 .cse10 .cse8 .cse9) (or .cse0 .cse7 .cse6 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse6 .cse5 .cse3 .cse4 .cse8) (or .cse0 .cse7 .cse9 .cse4 .cse10))) [2018-11-23 13:51:37,092 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-11-23 13:51:37,092 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-11-23 13:51:37,092 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-11-23 13:51:37,092 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-11-23 13:51:37,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:51:37 BoogieIcfgContainer [2018-11-23 13:51:37,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:51:37,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:51:37,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:51:37,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:51:37,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:28" (3/4) ... [2018-11-23 13:51:37,107 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:51:37,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:51:37,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:51:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:51:37,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:51:37,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:51:37,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:51:37,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:51:37,120 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 13:51:37,121 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:51:37,121 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:51:37,122 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:51:37,122 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:51:37,123 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:51:37,123 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:51:37,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((waterLevel < 3 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:51:37,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:51:37,176 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83c69c08-9cfd-4204-ba61-289a7ea69bce/bin-2019/utaipan/witness.graphml [2018-11-23 13:51:37,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:51:37,177 INFO L168 Benchmark]: Toolchain (without parser) took 9858.10 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 439.4 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -410.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:51:37,177 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:51:37,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:51:37,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:51:37,178 INFO L168 Benchmark]: Boogie Preprocessor took 33.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:51:37,178 INFO L168 Benchmark]: RCFGBuilder took 563.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:51:37,178 INFO L168 Benchmark]: TraceAbstraction took 8792.21 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 313.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -323.1 MB). Peak memory consumption was 544.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:51:37,179 INFO L168 Benchmark]: Witness Printer took 73.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:51:37,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 563.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8792.21 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 313.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -323.1 MB). Peak memory consumption was 544.6 MB. Max. memory is 11.5 GB. * Witness Printer took 73.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((waterLevel < 3 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2172 SDtfs, 1345 SDslu, 7648 SDs, 0 SdLazy, 1384 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 619 GetRequests, 509 SyntacticMatches, 10 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 109 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2419 PreInvPairs, 2553 NumberOfFragments, 2993 HoareAnnotationTreeSize, 2419 FomulaSimplifications, 1866 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 13346 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1286 NumberOfCodeBlocks, 1286 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1519 ConstructedInterpolants, 0 QuantifiedInterpolants, 282983 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1586 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 95/105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...