./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/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 81d3a03e2badb1d355e733e1f917b69305964186 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 06:06:25,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:06:25,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:06:25,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:06:25,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:06:25,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:06:25,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:06:25,540 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:06:25,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:06:25,541 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:06:25,542 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:06:25,542 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:06:25,542 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:06:25,543 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:06:25,543 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:06:25,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:06:25,544 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:06:25,545 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:06:25,546 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:06:25,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:06:25,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:06:25,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:06:25,549 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:06:25,549 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:06:25,549 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:06:25,550 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:06:25,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:06:25,551 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:06:25,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:06:25,552 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:06:25,552 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:06:25,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:06:25,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:06:25,552 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:06:25,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:06:25,553 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:06:25,553 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:06:25,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:06:25,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:06:25,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:06:25,561 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:06:25,561 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:06:25,561 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:06:25,561 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:06:25,562 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:06:25,562 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:06:25,562 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:06:25,562 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:06:25,562 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:06:25,562 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:06:25,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:06:25,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:06:25,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:06:25,563 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:06:25,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:06:25,563 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:06:25,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:06:25,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:06:25,564 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:06:25,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:06:25,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:06:25,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:06:25,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:06:25,564 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:06:25,564 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:06:25,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:06:25,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:06:25,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:06:25,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:06:25,565 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:06:25,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:06:25,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:06:25,565 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:06:25,565 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_bd86a271-bebe-4d70-9377-c32efc52b970/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-12-03 06:06:25,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:06:25,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:06:25,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:06:25,592 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:06:25,592 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:06:25,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-03 06:06:25,629 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/data/7663cd245/fb2b24a9b7c04fcb93d378841e85cc22/FLAG893cd96ff [2018-12-03 06:06:26,116 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:06:26,117 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-03 06:06:26,123 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/data/7663cd245/fb2b24a9b7c04fcb93d378841e85cc22/FLAG893cd96ff [2018-12-03 06:06:26,473 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/data/7663cd245/fb2b24a9b7c04fcb93d378841e85cc22 [2018-12-03 06:06:26,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:06:26,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:06:26,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:06:26,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:06:26,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:06:26,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26, skipping insertion in model container [2018-12-03 06:06:26,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:06:26,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:06:26,675 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:06:26,715 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:06:26,764 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:06:26,779 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:06:26,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26 WrapperNode [2018-12-03 06:06:26,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:06:26,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:06:26,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:06:26,780 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:06:26,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:06:26,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:06:26,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:06:26,801 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:06:26,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... [2018-12-03 06:06:26,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:06:26,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:06:26,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:06:26,822 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:06:26,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/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 [2018-12-03 06:06:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 06:06:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 06:06:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 06:06:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 06:06:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 06:06:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 06:06:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:06:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 06:06:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 06:06:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 06:06:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 06:06:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 06:06:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 06:06:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 06:06:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 06:06:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 06:06:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 06:06:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 06:06:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 06:06:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 06:06:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 06:06:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 06:06:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 06:06:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 06:06:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 06:06:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 06:06:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 06:06:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 06:06:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 06:06:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 06:06:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 06:06:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 06:06:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 06:06:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 06:06:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 06:06:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 06:06:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 06:06:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 06:06:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 06:06:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 06:06:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 06:06:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 06:06:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 06:06:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 06:06:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 06:06:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 06:06:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 06:06:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 06:06:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 06:06:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 06:06:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 06:06:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 06:06:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-03 06:06:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-03 06:06:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 06:06:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 06:06:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:06:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:06:27,125 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:06:27,126 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 06:06:27,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:06:27 BoogieIcfgContainer [2018-12-03 06:06:27,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:06:27,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:06:27,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:06:27,128 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:06:27,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:06:26" (1/3) ... [2018-12-03 06:06:27,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c85172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:06:27, skipping insertion in model container [2018-12-03 06:06:27,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:06:26" (2/3) ... [2018-12-03 06:06:27,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c85172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:06:27, skipping insertion in model container [2018-12-03 06:06:27,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:06:27" (3/3) ... [2018-12-03 06:06:27,130 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-03 06:06:27,136 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:06:27,141 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 06:06:27,150 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 06:06:27,168 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:06:27,168 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:06:27,168 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:06:27,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:06:27,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:06:27,169 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:06:27,169 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:06:27,169 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:06:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-03 06:06:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 06:06:27,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:27,186 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] [2018-12-03 06:06:27,187 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:27,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:27,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1160720793, now seen corresponding path program 1 times [2018-12-03 06:06:27,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:27,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:27,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,219 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:27,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:27,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 06:06:27,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:27,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 06:06:27,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 06:06:27,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 06:06:27,338 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-03 06:06:27,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:27,361 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-12-03 06:06:27,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 06:06:27,362 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-03 06:06:27,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:27,369 INFO L225 Difference]: With dead ends: 268 [2018-12-03 06:06:27,369 INFO L226 Difference]: Without dead ends: 134 [2018-12-03 06:06:27,371 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 [2018-12-03 06:06:27,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-03 06:06:27,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-03 06:06:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-03 06:06:27,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-12-03 06:06:27,400 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2018-12-03 06:06:27,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:27,400 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-12-03 06:06:27,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 06:06:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-12-03 06:06:27,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 06:06:27,402 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:27,402 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] [2018-12-03 06:06:27,402 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:27,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:27,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1969471298, now seen corresponding path program 1 times [2018-12-03 06:06:27,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:27,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:27,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,404 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:27,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:27,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:06:27,459 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:27,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:06:27,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:06:27,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:06:27,460 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-12-03 06:06:27,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:27,472 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2018-12-03 06:06:27,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:06:27,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 06:06:27,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:27,474 INFO L225 Difference]: With dead ends: 217 [2018-12-03 06:06:27,474 INFO L226 Difference]: Without dead ends: 125 [2018-12-03 06:06:27,475 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 [2018-12-03 06:06:27,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-03 06:06:27,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-03 06:06:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-03 06:06:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-12-03 06:06:27,482 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2018-12-03 06:06:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:27,482 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-12-03 06:06:27,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:06:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-12-03 06:06:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 06:06:27,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:27,483 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] [2018-12-03 06:06:27,483 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:27,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:27,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1167765115, now seen corresponding path program 1 times [2018-12-03 06:06:27,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:27,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:27,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:27,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:27,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:06:27,551 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:27,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:06:27,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:06:27,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:06:27,552 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-12-03 06:06:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:27,722 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-12-03 06:06:27,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:06:27,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-03 06:06:27,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:27,723 INFO L225 Difference]: With dead ends: 226 [2018-12-03 06:06:27,723 INFO L226 Difference]: Without dead ends: 125 [2018-12-03 06:06:27,724 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 [2018-12-03 06:06:27,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-03 06:06:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-03 06:06:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-03 06:06:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-12-03 06:06:27,731 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2018-12-03 06:06:27,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:27,731 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-12-03 06:06:27,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:06:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-12-03 06:06:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-03 06:06:27,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:27,733 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] [2018-12-03 06:06:27,733 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:27,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:27,733 INFO L82 PathProgramCache]: Analyzing trace with hash 203465218, now seen corresponding path program 1 times [2018-12-03 06:06:27,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:27,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:27,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:27,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:27,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:27,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:06:27,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:27,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:06:27,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:06:27,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:06:27,804 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-12-03 06:06:28,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:28,095 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2018-12-03 06:06:28,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:06:28,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-03 06:06:28,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:28,096 INFO L225 Difference]: With dead ends: 332 [2018-12-03 06:06:28,096 INFO L226 Difference]: Without dead ends: 231 [2018-12-03 06:06:28,097 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 [2018-12-03 06:06:28,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-12-03 06:06:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2018-12-03 06:06:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-12-03 06:06:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2018-12-03 06:06:28,112 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2018-12-03 06:06:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:28,112 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2018-12-03 06:06:28,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:06:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2018-12-03 06:06:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-03 06:06:28,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:28,114 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] [2018-12-03 06:06:28,114 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:28,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:28,114 INFO L82 PathProgramCache]: Analyzing trace with hash -944503591, now seen corresponding path program 1 times [2018-12-03 06:06:28,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:28,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:28,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:28,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:28,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 06:06:28,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:28,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 06:06:28,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 06:06:28,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:06:28,184 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 8 states. [2018-12-03 06:06:28,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:28,207 INFO L93 Difference]: Finished difference Result 409 states and 479 transitions. [2018-12-03 06:06:28,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:06:28,208 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-03 06:06:28,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:28,209 INFO L225 Difference]: With dead ends: 409 [2018-12-03 06:06:28,209 INFO L226 Difference]: Without dead ends: 220 [2018-12-03 06:06:28,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:06:28,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-03 06:06:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2018-12-03 06:06:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-03 06:06:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 247 transitions. [2018-12-03 06:06:28,221 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 247 transitions. Word has length 84 [2018-12-03 06:06:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:28,221 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 247 transitions. [2018-12-03 06:06:28,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 06:06:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 247 transitions. [2018-12-03 06:06:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-03 06:06:28,222 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:28,222 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] [2018-12-03 06:06:28,222 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:28,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:28,222 INFO L82 PathProgramCache]: Analyzing trace with hash -100498089, now seen corresponding path program 1 times [2018-12-03 06:06:28,222 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:28,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:28,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,223 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:28,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:28,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:06:28,274 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:28,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:06:28,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:06:28,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:06:28,274 INFO L87 Difference]: Start difference. First operand 217 states and 247 transitions. Second operand 6 states. [2018-12-03 06:06:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:28,371 INFO L93 Difference]: Finished difference Result 522 states and 626 transitions. [2018-12-03 06:06:28,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:06:28,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-03 06:06:28,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:28,373 INFO L225 Difference]: With dead ends: 522 [2018-12-03 06:06:28,373 INFO L226 Difference]: Without dead ends: 329 [2018-12-03 06:06:28,373 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 [2018-12-03 06:06:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-12-03 06:06:28,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2018-12-03 06:06:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-12-03 06:06:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 376 transitions. [2018-12-03 06:06:28,386 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 376 transitions. Word has length 84 [2018-12-03 06:06:28,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:28,387 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 376 transitions. [2018-12-03 06:06:28,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:06:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 376 transitions. [2018-12-03 06:06:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 06:06:28,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:28,388 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] [2018-12-03 06:06:28,388 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:28,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:28,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2100826833, now seen corresponding path program 1 times [2018-12-03 06:06:28,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:28,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:28,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,389 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:28,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:28,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:06:28,459 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:28,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:06:28,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:06:28,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:06:28,461 INFO L87 Difference]: Start difference. First operand 325 states and 376 transitions. Second operand 6 states. [2018-12-03 06:06:28,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:28,586 INFO L93 Difference]: Finished difference Result 702 states and 847 transitions. [2018-12-03 06:06:28,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:06:28,587 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-03 06:06:28,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:28,590 INFO L225 Difference]: With dead ends: 702 [2018-12-03 06:06:28,590 INFO L226 Difference]: Without dead ends: 509 [2018-12-03 06:06:28,591 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 [2018-12-03 06:06:28,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-12-03 06:06:28,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491. [2018-12-03 06:06:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-12-03 06:06:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2018-12-03 06:06:28,616 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2018-12-03 06:06:28,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:28,617 INFO L480 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2018-12-03 06:06:28,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:06:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2018-12-03 06:06:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 06:06:28,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:28,618 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] [2018-12-03 06:06:28,619 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:28,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:28,619 INFO L82 PathProgramCache]: Analyzing trace with hash 334137748, now seen corresponding path program 1 times [2018-12-03 06:06:28,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:28,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:28,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:28,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:28,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 06:06:28,699 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:28,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 06:06:28,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 06:06:28,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:06:28,699 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2018-12-03 06:06:28,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:28,736 INFO L93 Difference]: Finished difference Result 866 states and 1039 transitions. [2018-12-03 06:06:28,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 06:06:28,736 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-03 06:06:28,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:28,738 INFO L225 Difference]: With dead ends: 866 [2018-12-03 06:06:28,738 INFO L226 Difference]: Without dead ends: 507 [2018-12-03 06:06:28,739 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 [2018-12-03 06:06:28,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-12-03 06:06:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 504. [2018-12-03 06:06:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-12-03 06:06:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 596 transitions. [2018-12-03 06:06:28,757 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 596 transitions. Word has length 88 [2018-12-03 06:06:28,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:28,758 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 596 transitions. [2018-12-03 06:06:28,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 06:06:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 596 transitions. [2018-12-03 06:06:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 06:06:28,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:28,759 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] [2018-12-03 06:06:28,760 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:28,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:28,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1178143250, now seen corresponding path program 1 times [2018-12-03 06:06:28,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:28,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:28,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:28,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:28,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:06:28,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:28,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:06:28,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:06:28,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:06:28,803 INFO L87 Difference]: Start difference. First operand 504 states and 596 transitions. Second operand 5 states. [2018-12-03 06:06:28,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:28,825 INFO L93 Difference]: Finished difference Result 861 states and 1039 transitions. [2018-12-03 06:06:28,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 06:06:28,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-03 06:06:28,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:28,827 INFO L225 Difference]: With dead ends: 861 [2018-12-03 06:06:28,827 INFO L226 Difference]: Without dead ends: 489 [2018-12-03 06:06:28,828 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 [2018-12-03 06:06:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-12-03 06:06:28,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-12-03 06:06:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-12-03 06:06:28,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 576 transitions. [2018-12-03 06:06:28,846 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 576 transitions. Word has length 88 [2018-12-03 06:06:28,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:28,846 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 576 transitions. [2018-12-03 06:06:28,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:06:28,846 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 576 transitions. [2018-12-03 06:06:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 06:06:28,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:28,847 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, 1] [2018-12-03 06:06:28,848 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:28,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:28,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1853727931, now seen corresponding path program 1 times [2018-12-03 06:06:28,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:28,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:28,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:28,849 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:06:28,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:28,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 06:06:28,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:28,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 06:06:28,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 06:06:28,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 06:06:28,915 INFO L87 Difference]: Start difference. First operand 489 states and 576 transitions. Second operand 10 states. [2018-12-03 06:06:29,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:29,016 INFO L93 Difference]: Finished difference Result 960 states and 1134 transitions. [2018-12-03 06:06:29,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 06:06:29,017 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-03 06:06:29,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:29,018 INFO L225 Difference]: With dead ends: 960 [2018-12-03 06:06:29,018 INFO L226 Difference]: Without dead ends: 495 [2018-12-03 06:06:29,019 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 [2018-12-03 06:06:29,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-03 06:06:29,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2018-12-03 06:06:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-12-03 06:06:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 545 transitions. [2018-12-03 06:06:29,035 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 545 transitions. Word has length 89 [2018-12-03 06:06:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:29,035 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 545 transitions. [2018-12-03 06:06:29,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 06:06:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 545 transitions. [2018-12-03 06:06:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-03 06:06:29,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:29,037 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:06:29,037 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:29,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:29,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1443278463, now seen corresponding path program 1 times [2018-12-03 06:06:29,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:29,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:29,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:29,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:29,038 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 06:06:29,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:06:29,080 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:06:29,080 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-03 06:06:29,082 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [126], [130], [131], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-03 06:06:29,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:06:29,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:06:29,453 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 06:06:29,454 INFO L272 AbstractInterpreter]: Visited 62 different actions 91 times. Merged at 5 different actions 5 times. Never widened. Performed 4658 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4658 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-03 06:06:29,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:29,462 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 06:06:29,745 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.4% of their original sizes. [2018-12-03 06:06:29,745 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 06:06:29,855 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-03 06:06:29,855 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 06:06:29,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 06:06:29,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-12-03 06:06:29,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:29,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 06:06:29,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 06:06:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-12-03 06:06:29,857 INFO L87 Difference]: Start difference. First operand 478 states and 545 transitions. Second operand 19 states. [2018-12-03 06:06:32,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:32,450 INFO L93 Difference]: Finished difference Result 1076 states and 1254 transitions. [2018-12-03 06:06:32,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 06:06:32,450 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 138 [2018-12-03 06:06:32,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:32,452 INFO L225 Difference]: With dead ends: 1076 [2018-12-03 06:06:32,452 INFO L226 Difference]: Without dead ends: 622 [2018-12-03 06:06:32,453 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-12-03 06:06:32,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-12-03 06:06:32,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 615. [2018-12-03 06:06:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-12-03 06:06:32,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 698 transitions. [2018-12-03 06:06:32,470 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 698 transitions. Word has length 138 [2018-12-03 06:06:32,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:32,470 INFO L480 AbstractCegarLoop]: Abstraction has 615 states and 698 transitions. [2018-12-03 06:06:32,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 06:06:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 698 transitions. [2018-12-03 06:06:32,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-03 06:06:32,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:32,471 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:06:32,472 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:32,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:32,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1360572798, now seen corresponding path program 1 times [2018-12-03 06:06:32,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:32,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:32,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:32,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:32,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-03 06:06:32,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:06:32,538 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:06:32,538 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-03 06:06:32,538 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [40], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [128], [130], [131], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-03 06:06:32,540 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:06:32,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:06:32,733 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 06:06:32,733 INFO L272 AbstractInterpreter]: Visited 91 different actions 111 times. Merged at 5 different actions 5 times. Never widened. Performed 6040 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6040 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-03 06:06:32,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:32,734 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 06:06:32,907 INFO L227 lantSequenceWeakener]: Weakened 109 states. On average, predicates are now at 96.8% of their original sizes. [2018-12-03 06:06:32,908 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 06:06:33,131 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-03 06:06:33,131 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 06:06:33,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 06:06:33,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [33] imperfect sequences [7] total 38 [2018-12-03 06:06:33,131 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:33,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-12-03 06:06:33,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-12-03 06:06:33,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=914, Unknown=0, NotChecked=0, Total=1056 [2018-12-03 06:06:33,132 INFO L87 Difference]: Start difference. First operand 615 states and 698 transitions. Second operand 33 states. [2018-12-03 06:06:39,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:39,071 INFO L93 Difference]: Finished difference Result 1318 states and 1572 transitions. [2018-12-03 06:06:39,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-03 06:06:39,072 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 138 [2018-12-03 06:06:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:39,075 INFO L225 Difference]: With dead ends: 1318 [2018-12-03 06:06:39,075 INFO L226 Difference]: Without dead ends: 949 [2018-12-03 06:06:39,076 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=303, Invalid=2349, Unknown=0, NotChecked=0, Total=2652 [2018-12-03 06:06:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2018-12-03 06:06:39,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 907. [2018-12-03 06:06:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-12-03 06:06:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1037 transitions. [2018-12-03 06:06:39,119 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1037 transitions. Word has length 138 [2018-12-03 06:06:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:39,119 INFO L480 AbstractCegarLoop]: Abstraction has 907 states and 1037 transitions. [2018-12-03 06:06:39,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-12-03 06:06:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1037 transitions. [2018-12-03 06:06:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-03 06:06:39,121 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:39,121 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 06:06:39,122 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:39,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:39,122 INFO L82 PathProgramCache]: Analyzing trace with hash -2132432997, now seen corresponding path program 1 times [2018-12-03 06:06:39,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:39,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:39,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:39,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:39,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 06:06:39,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:06:39,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:06:39,178 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-12-03 06:06:39,179 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [90], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [126], [130], [131], [136], [138], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-03 06:06:39,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:06:39,182 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:06:39,446 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 06:06:39,447 INFO L272 AbstractInterpreter]: Visited 67 different actions 128 times. Merged at 7 different actions 9 times. Never widened. Performed 5967 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-12-03 06:06:39,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:39,449 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 06:06:39,542 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 96.75% of their original sizes. [2018-12-03 06:06:39,542 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 06:06:39,664 INFO L418 sIntCurrentIteration]: We unified 141 AI predicates to 141 [2018-12-03 06:06:39,664 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 06:06:39,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 06:06:39,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-12-03 06:06:39,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:39,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-03 06:06:39,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-03 06:06:39,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2018-12-03 06:06:39,665 INFO L87 Difference]: Start difference. First operand 907 states and 1037 transitions. Second operand 22 states. [2018-12-03 06:06:43,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:43,142 INFO L93 Difference]: Finished difference Result 1896 states and 2257 transitions. [2018-12-03 06:06:43,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-03 06:06:43,142 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 142 [2018-12-03 06:06:43,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:43,147 INFO L225 Difference]: With dead ends: 1896 [2018-12-03 06:06:43,147 INFO L226 Difference]: Without dead ends: 1442 [2018-12-03 06:06:43,149 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=1685, Unknown=0, NotChecked=0, Total=1980 [2018-12-03 06:06:43,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2018-12-03 06:06:43,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1379. [2018-12-03 06:06:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1379 states. [2018-12-03 06:06:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1587 transitions. [2018-12-03 06:06:43,217 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1587 transitions. Word has length 142 [2018-12-03 06:06:43,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:43,218 INFO L480 AbstractCegarLoop]: Abstraction has 1379 states and 1587 transitions. [2018-12-03 06:06:43,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-03 06:06:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1587 transitions. [2018-12-03 06:06:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-03 06:06:43,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:43,221 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:06:43,221 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:43,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:43,221 INFO L82 PathProgramCache]: Analyzing trace with hash 159102436, now seen corresponding path program 1 times [2018-12-03 06:06:43,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:43,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:43,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:43,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:43,222 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-03 06:06:43,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:06:43,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:06:43,267 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-12-03 06:06:43,268 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [40], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [87], [90], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [128], [130], [131], [136], [138], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-03 06:06:43,269 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:06:43,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:06:43,527 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 06:06:43,527 INFO L272 AbstractInterpreter]: Visited 99 different actions 163 times. Merged at 8 different actions 8 times. Never widened. Performed 8517 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8517 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-12-03 06:06:43,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:43,530 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 06:06:43,763 INFO L227 lantSequenceWeakener]: Weakened 121 states. On average, predicates are now at 96.81% of their original sizes. [2018-12-03 06:06:43,763 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 06:06:43,969 INFO L418 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-12-03 06:06:43,969 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 06:06:43,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 06:06:43,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [5] total 34 [2018-12-03 06:06:43,969 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:43,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-12-03 06:06:43,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-12-03 06:06:43,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=823, Unknown=0, NotChecked=0, Total=930 [2018-12-03 06:06:43,972 INFO L87 Difference]: Start difference. First operand 1379 states and 1587 transitions. Second operand 31 states. [2018-12-03 06:06:48,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:48,928 INFO L93 Difference]: Finished difference Result 2295 states and 2669 transitions. [2018-12-03 06:06:48,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-03 06:06:48,928 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 146 [2018-12-03 06:06:48,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:48,932 INFO L225 Difference]: With dead ends: 2295 [2018-12-03 06:06:48,932 INFO L226 Difference]: Without dead ends: 1498 [2018-12-03 06:06:48,934 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=289, Invalid=2681, Unknown=0, NotChecked=0, Total=2970 [2018-12-03 06:06:48,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2018-12-03 06:06:48,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1455. [2018-12-03 06:06:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1455 states. [2018-12-03 06:06:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 1670 transitions. [2018-12-03 06:06:48,977 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 1670 transitions. Word has length 146 [2018-12-03 06:06:48,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:48,977 INFO L480 AbstractCegarLoop]: Abstraction has 1455 states and 1670 transitions. [2018-12-03 06:06:48,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-12-03 06:06:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1670 transitions. [2018-12-03 06:06:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-03 06:06:48,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:48,979 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 06:06:48,979 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:48,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:48,979 INFO L82 PathProgramCache]: Analyzing trace with hash -641316962, now seen corresponding path program 1 times [2018-12-03 06:06:48,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:48,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:48,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:48,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:48,980 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-03 06:06:49,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:49,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:06:49,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:49,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:06:49,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:06:49,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:06:49,013 INFO L87 Difference]: Start difference. First operand 1455 states and 1670 transitions. Second operand 6 states. [2018-12-03 06:06:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:49,062 INFO L93 Difference]: Finished difference Result 2303 states and 2663 transitions. [2018-12-03 06:06:49,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:06:49,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-12-03 06:06:49,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:49,065 INFO L225 Difference]: With dead ends: 2303 [2018-12-03 06:06:49,065 INFO L226 Difference]: Without dead ends: 1475 [2018-12-03 06:06:49,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:06:49,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2018-12-03 06:06:49,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2018-12-03 06:06:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2018-12-03 06:06:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1690 transitions. [2018-12-03 06:06:49,106 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1690 transitions. Word has length 142 [2018-12-03 06:06:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:49,107 INFO L480 AbstractCegarLoop]: Abstraction has 1475 states and 1690 transitions. [2018-12-03 06:06:49,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:06:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1690 transitions. [2018-12-03 06:06:49,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-03 06:06:49,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:49,109 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 06:06:49,109 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:49,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:49,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1409667036, now seen corresponding path program 1 times [2018-12-03 06:06:49,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:49,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:49,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:49,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:49,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 06:06:49,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:06:49,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 06:06:49,175 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:06:49,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 06:06:49,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 06:06:49,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 06:06:49,176 INFO L87 Difference]: Start difference. First operand 1475 states and 1690 transitions. Second operand 10 states. [2018-12-03 06:06:49,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:49,322 INFO L93 Difference]: Finished difference Result 2950 states and 3437 transitions. [2018-12-03 06:06:49,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 06:06:49,322 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2018-12-03 06:06:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:49,328 INFO L225 Difference]: With dead ends: 2950 [2018-12-03 06:06:49,329 INFO L226 Difference]: Without dead ends: 1977 [2018-12-03 06:06:49,331 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 [2018-12-03 06:06:49,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2018-12-03 06:06:49,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1943. [2018-12-03 06:06:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1943 states. [2018-12-03 06:06:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2217 transitions. [2018-12-03 06:06:49,408 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2217 transitions. Word has length 142 [2018-12-03 06:06:49,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:49,408 INFO L480 AbstractCegarLoop]: Abstraction has 1943 states and 2217 transitions. [2018-12-03 06:06:49,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 06:06:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2217 transitions. [2018-12-03 06:06:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-03 06:06:49,410 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:06:49,410 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:06:49,410 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:06:49,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:49,410 INFO L82 PathProgramCache]: Analyzing trace with hash 639548944, now seen corresponding path program 1 times [2018-12-03 06:06:49,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:06:49,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:49,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:49,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:06:49,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:06:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 06:06:49,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:06:49,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:06:49,486 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-03 06:06:49,486 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [40], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [128], [130], [131], [165], [166], [169], [172], [176], [182], [183], [185], [190], [192], [195], [197], [202], [206], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-03 06:06:49,488 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:06:49,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:06:50,253 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 06:06:50,253 INFO L272 AbstractInterpreter]: Visited 118 different actions 574 times. Merged at 18 different actions 56 times. Never widened. Performed 25265 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25265 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-12-03 06:06:50,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:06:50,262 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 06:06:50,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:06:50,263 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/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 [2018-12-03 06:06:50,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:06:50,271 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 06:06:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:06:50,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 06:06:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-03 06:06:50,462 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 06:06:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 06:06:50,705 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 06:06:50,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 20 [2018-12-03 06:06:50,706 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 06:06:50,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 06:06:50,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 06:06:50,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-12-03 06:06:50,707 INFO L87 Difference]: Start difference. First operand 1943 states and 2217 transitions. Second operand 15 states. [2018-12-03 06:06:51,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:06:51,508 INFO L93 Difference]: Finished difference Result 3979 states and 5033 transitions. [2018-12-03 06:06:51,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 06:06:51,509 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 144 [2018-12-03 06:06:51,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:06:51,510 INFO L225 Difference]: With dead ends: 3979 [2018-12-03 06:06:51,510 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 06:06:51,517 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 278 SyntacticMatches, 12 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=358, Invalid=832, Unknown=0, NotChecked=0, Total=1190 [2018-12-03 06:06:51,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 06:06:51,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 06:06:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 06:06:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 06:06:51,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2018-12-03 06:06:51,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:06:51,518 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 06:06:51,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 06:06:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 06:06:51,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 06:06:51,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 06:06:51,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:51,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:52,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:06:53,022 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2018-12-03 06:06:53,415 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 44 [2018-12-03 06:06:53,709 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 29 [2018-12-03 06:06:53,978 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 37 [2018-12-03 06:06:54,448 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 14 [2018-12-03 06:06:54,656 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2018-12-03 06:06:55,387 WARN L180 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 53 [2018-12-03 06:06:55,513 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 34 [2018-12-03 06:06:55,657 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2018-12-03 06:06:55,657 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2018-12-03 06:06:55,657 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2018-12-03 06:06:55,657 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,657 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2018-12-03 06:06:55,657 INFO L448 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,658 INFO L444 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,658 INFO L444 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L451 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2018-12-03 06:06:55,658 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2018-12-03 06:06:55,658 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (and (= processEnvironment_~tmp~1 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-03 06:06:55,659 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-03 06:06:55,659 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-12-03 06:06:55,659 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-12-03 06:06:55,659 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,659 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 06:06:55,659 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 06:06:55,660 INFO L444 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L444 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L444 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 2) .cse0) (and (<= ~waterLevel~0 1) .cse1 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 2) .cse1 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:06:55,660 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-03 06:06:55,661 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L451 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse9 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= ~waterLevel~0 2))) (.cse4 (= ~methaneLevelCritical~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or (or .cse2 .cse3) .cse1 .cse4 .cse5) (or (or .cse5 .cse1 .cse3 .cse6) .cse4) (or .cse7 .cse8 .cse0 .cse9 .cse1) (or .cse8 .cse7 .cse1 .cse9 .cse5) (or (or .cse0 .cse1 .cse3 .cse6) .cse4))) [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2018-12-03 06:06:55,661 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2018-12-03 06:06:55,662 INFO L451 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L451 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L451 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2018-12-03 06:06:55,662 INFO L451 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-12-03 06:06:55,662 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L444 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 1)) (.cse12 (= ~systemActive~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse4 (and .cse13 .cse11 .cse10 .cse12 .cse2)) (.cse5 (and .cse13 (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse11 .cse12)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse12)) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| 0) .cse3) (or .cse4 .cse5 (and (or .cse3 .cse6 .cse7) (or (or .cse3 (not (= |old(~waterLevel~0)| 1))) .cse6))) (or .cse0 .cse4 .cse3 .cse5 .cse6 (and .cse8 .cse2) (and .cse9 .cse8)) (or .cse1 (and .cse10 .cse8) (< 2 |old(~waterLevel~0)|) (and .cse11 .cse8 .cse2) .cse3) (or (= ~waterLevel~0 1) (or .cse6 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse7))))) [2018-12-03 06:06:55,662 INFO L444 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and .cse4 .cse3)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (< 2 |old(~waterLevel~0)|) .cse0) (or (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 2))) (and .cse3 .cse4))))) [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-12-03 06:06:55,662 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) .cse5 .cse6)) (.cse4 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not .cse5)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (or .cse1 .cse2 .cse3) (or (or .cse1 (not (= |old(~waterLevel~0)| 1))) .cse2))) (or .cse4 (not (= 0 |old(~pumpRunning~0)|)) (< 2 |old(~waterLevel~0)|) .cse1) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse4) (or (= ~waterLevel~0 1) (or .cse2 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3))))) [2018-12-03 06:06:55,662 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2018-12-03 06:06:55,663 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~5 0) .cse2 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) (or (not (= ~methaneLevelCritical~0 1)) (< 2 ~waterLevel~0) .cse2 .cse1))) [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~5 0) .cse2 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) (or .cse0 (< 2 ~waterLevel~0) .cse2 .cse1))) [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (not (= ~systemActive~0 1))) [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2018-12-03 06:06:55,663 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:06:55,663 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 06:06:55,663 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-03 06:06:55,664 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse2 (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse3 (not (= ~waterLevel~0 2))) (.cse4 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< 2 ~waterLevel~0) .cse1) (or .cse4 .cse0 (= ~waterLevel~0 0) .cse1))) [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 2 ~waterLevel~0) (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (= ~waterLevel~0 0) .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0)))) [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< 2 |old(~waterLevel~0)|) (or (not (= 1 ~pumpRunning~0)) .cse1)) (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse1 .cse0))) [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2018-12-03 06:06:55,664 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-12-03 06:06:55,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:06:55 BoogieIcfgContainer [2018-12-03 06:06:55,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 06:06:55,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 06:06:55,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 06:06:55,672 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 06:06:55,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:06:27" (3/4) ... [2018-12-03 06:06:55,675 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 06:06:55,678 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 06:06:55,678 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 06:06:55,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 06:06:55,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 06:06:55,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 06:06:55,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 06:06:55,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-03 06:06:55,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 06:06:55,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 06:06:55,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 06:06:55,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 06:06:55,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 06:06:55,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 06:06:55,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 06:06:55,724 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bd86a271-bebe-4d70-9377-c32efc52b970/bin-2019/utaipan/witness.graphml [2018-12-03 06:06:55,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 06:06:55,724 INFO L168 Benchmark]: Toolchain (without parser) took 29246.79 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 947.0 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2018-12-03 06:06:55,725 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:06:55,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-03 06:06:55,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:06:55,725 INFO L168 Benchmark]: Boogie Preprocessor took 21.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 06:06:55,725 INFO L168 Benchmark]: RCFGBuilder took 303.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-03 06:06:55,725 INFO L168 Benchmark]: TraceAbstraction took 28545.37 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-03 06:06:55,725 INFO L168 Benchmark]: Witness Printer took 51.76 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-03 06:06:55,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 303.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28545.37 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 51.76 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 28.5s OverallTime, 17 OverallIterations, 2 TraceHistogramMax, 18.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3023 SDtfs, 3000 SDslu, 18303 SDs, 0 SdLazy, 7366 SolverSat, 1099 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1073 GetRequests, 782 SyntacticMatches, 14 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2261 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1943occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.997317779623323 AbsIntWeakeningRatio, 0.9142857142857143 AbsIntAvgWeakeningVarsNumRemoved, 39.933928571428574 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 252 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 4127 PreInvPairs, 4686 NumberOfFragments, 1606 HoareAnnotationTreeSize, 4127 FomulaSimplifications, 23544 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 60 FomulaSimplificationsInter, 56123 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1889 NumberOfCodeBlocks, 1889 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2014 ConstructedInterpolants, 0 QuantifiedInterpolants, 371300 SizeOfPredicates, 7 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 210/238 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...