./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/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 b6539c3f80a02f7679497281344dc3da1a82da6c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:24:29,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:24:29,548 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:24:29,554 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:24:29,554 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:24:29,555 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:24:29,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:24:29,556 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:24:29,557 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:24:29,558 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:24:29,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:24:29,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:24:29,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:24:29,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:24:29,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:24:29,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:24:29,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:24:29,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:24:29,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:24:29,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:24:29,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:24:29,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:24:29,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:24:29,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:24:29,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:24:29,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:24:29,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:24:29,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:24:29,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:24:29,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:24:29,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:24:29,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:24:29,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:24:29,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:24:29,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:24:29,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:24:29,573 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:24:29,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:24:29,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:24:29,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:24:29,584 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:24:29,584 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:24:29,584 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:24:29,584 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:24:29,585 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:24:29,585 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:24:29,585 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:24:29,585 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:24:29,585 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:24:29,585 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:24:29,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:24:29,586 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:24:29,586 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:24:29,586 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:24:29,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:24:29,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:24:29,587 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:24:29,587 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:24:29,587 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:24:29,587 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:24:29,587 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:24:29,587 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:24:29,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:24:29,588 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:24:29,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:24:29,588 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:24:29,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:24:29,588 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:24:29,588 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:24:29,588 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:24:29,588 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:24:29,589 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:24:29,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:24:29,589 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:24:29,589 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_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-11-23 00:24:29,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:24:29,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:24:29,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:24:29,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:24:29,625 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:24:29,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-23 00:24:29,665 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/data/067a8fc79/08c932c2870f49c4b62de368145d430f/FLAG1a8e6562c [2018-11-23 00:24:30,053 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:24:30,053 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-23 00:24:30,064 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/data/067a8fc79/08c932c2870f49c4b62de368145d430f/FLAG1a8e6562c [2018-11-23 00:24:30,431 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/data/067a8fc79/08c932c2870f49c4b62de368145d430f [2018-11-23 00:24:30,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:24:30,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:24:30,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:24:30,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:24:30,437 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:24:30,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30, skipping insertion in model container [2018-11-23 00:24:30,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:24:30,476 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:24:30,675 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:24:30,684 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:24:30,783 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:24:30,800 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:24:30,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30 WrapperNode [2018-11-23 00:24:30,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:24:30,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:24:30,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:24:30,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:24:30,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:24:30,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:24:30,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:24:30,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:24:30,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... [2018-11-23 00:24:30,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:24:30,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:24:30,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:24:30,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:24:30,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:24:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 00:24:30,886 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 00:24:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:24:30,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:24:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 00:24:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 00:24:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:24:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 00:24:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 00:24:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 00:24:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 00:24:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 00:24:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 00:24:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 00:24:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 00:24:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 00:24:30,888 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 00:24:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 00:24:30,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 00:24:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 00:24:30,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 00:24:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 00:24:30,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 00:24:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 00:24:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 00:24:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 00:24:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 00:24:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 00:24:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 00:24:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 00:24:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 00:24:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 00:24:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 00:24:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 00:24:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 00:24:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 00:24:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 00:24:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 00:24:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 00:24:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 00:24:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 00:24:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 00:24:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 00:24:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 00:24:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 00:24:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 00:24:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 00:24:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 00:24:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 00:24:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 00:24:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 00:24:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 00:24:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 00:24:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 00:24:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 00:24:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:24:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:24:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:24:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 00:24:30,893 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 00:24:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 00:24:30,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 00:24:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:24:30,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:24:31,288 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:24:31,289 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 00:24:31,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:31 BoogieIcfgContainer [2018-11-23 00:24:31,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:24:31,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:24:31,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:24:31,292 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:24:31,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:24:30" (1/3) ... [2018-11-23 00:24:31,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e296ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:24:31, skipping insertion in model container [2018-11-23 00:24:31,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:30" (2/3) ... [2018-11-23 00:24:31,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e296ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:24:31, skipping insertion in model container [2018-11-23 00:24:31,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:31" (3/3) ... [2018-11-23 00:24:31,295 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-23 00:24:31,301 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:24:31,306 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:24:31,316 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:24:31,340 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:24:31,340 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:24:31,340 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:24:31,340 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:24:31,340 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:24:31,340 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:24:31,341 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:24:31,341 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:24:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-23 00:24:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 00:24:31,364 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:31,364 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] [2018-11-23 00:24:31,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:31,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:31,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1067589969, now seen corresponding path program 1 times [2018-11-23 00:24:31,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:31,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:31,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:31,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:31,404 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:31,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:31,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:24:31,555 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:31,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:24:31,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:24:31,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:24:31,569 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-23 00:24:31,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:31,600 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2018-11-23 00:24:31,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:24:31,602 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 00:24:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:31,611 INFO L225 Difference]: With dead ends: 294 [2018-11-23 00:24:31,611 INFO L226 Difference]: Without dead ends: 149 [2018-11-23 00:24:31,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:24:31,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-23 00:24:31,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-23 00:24:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-23 00:24:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-23 00:24:31,655 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2018-11-23 00:24:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:31,656 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-23 00:24:31,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:24:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-23 00:24:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 00:24:31,659 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:31,659 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:31,659 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:31,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:31,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2075089646, now seen corresponding path program 1 times [2018-11-23 00:24:31,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:31,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:31,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:31,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:31,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:31,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:31,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:24:31,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:31,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:24:31,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:24:31,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:24:31,748 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-11-23 00:24:31,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:31,768 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-11-23 00:24:31,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:24:31,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 00:24:31,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:31,773 INFO L225 Difference]: With dead ends: 239 [2018-11-23 00:24:31,773 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 00:24:31,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:24:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 00:24:31,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 00:24:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 00:24:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-11-23 00:24:31,787 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2018-11-23 00:24:31,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:31,787 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-11-23 00:24:31,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:24:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-11-23 00:24:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 00:24:31,789 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:31,789 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:31,789 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:31,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:31,790 INFO L82 PathProgramCache]: Analyzing trace with hash -2100916131, now seen corresponding path program 1 times [2018-11-23 00:24:31,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:31,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:31,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:31,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:31,791 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:31,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:31,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:24:31,904 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:31,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:24:31,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:24:31,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:24:31,905 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-11-23 00:24:32,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:32,224 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-11-23 00:24:32,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:24:32,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 00:24:32,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:32,226 INFO L225 Difference]: With dead ends: 252 [2018-11-23 00:24:32,226 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 00:24:32,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:24:32,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 00:24:32,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 00:24:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 00:24:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-11-23 00:24:32,240 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2018-11-23 00:24:32,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:32,241 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-11-23 00:24:32,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:24:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-11-23 00:24:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 00:24:32,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:32,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:32,244 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:32,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:32,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1172130122, now seen corresponding path program 1 times [2018-11-23 00:24:32,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:32,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:32,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:32,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:32,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:32,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:32,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:24:32,341 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:32,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:24:32,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:24:32,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:24:32,342 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2018-11-23 00:24:32,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:32,712 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2018-11-23 00:24:32,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:24:32,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 00:24:32,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:32,714 INFO L225 Difference]: With dead ends: 355 [2018-11-23 00:24:32,714 INFO L226 Difference]: Without dead ends: 243 [2018-11-23 00:24:32,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:24:32,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-23 00:24:32,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-11-23 00:24:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-23 00:24:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-11-23 00:24:32,739 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2018-11-23 00:24:32,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:32,740 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-11-23 00:24:32,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:24:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-11-23 00:24:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 00:24:32,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:32,742 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:32,742 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:32,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:32,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1861075874, now seen corresponding path program 1 times [2018-11-23 00:24:32,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:32,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:32,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:32,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:32,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:32,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:32,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 00:24:32,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:32,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 00:24:32,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 00:24:32,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:24:32,834 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 4 states. [2018-11-23 00:24:33,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:33,011 INFO L93 Difference]: Finished difference Result 751 states and 913 transitions. [2018-11-23 00:24:33,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:24:33,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-11-23 00:24:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:33,015 INFO L225 Difference]: With dead ends: 751 [2018-11-23 00:24:33,015 INFO L226 Difference]: Without dead ends: 555 [2018-11-23 00:24:33,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:24:33,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-11-23 00:24:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2018-11-23 00:24:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-11-23 00:24:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 647 transitions. [2018-11-23 00:24:33,056 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 647 transitions. Word has length 84 [2018-11-23 00:24:33,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:33,057 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 647 transitions. [2018-11-23 00:24:33,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 00:24:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 647 transitions. [2018-11-23 00:24:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 00:24:33,058 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:33,059 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:33,059 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:33,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:33,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1408399423, now seen corresponding path program 1 times [2018-11-23 00:24:33,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:33,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:33,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,060 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:33,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:33,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:24:33,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:33,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:24:33,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:24:33,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:24:33,131 INFO L87 Difference]: Start difference. First operand 543 states and 647 transitions. Second operand 6 states. [2018-11-23 00:24:33,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:33,288 INFO L93 Difference]: Finished difference Result 1530 states and 1877 transitions. [2018-11-23 00:24:33,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:24:33,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 00:24:33,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:33,293 INFO L225 Difference]: With dead ends: 1530 [2018-11-23 00:24:33,293 INFO L226 Difference]: Without dead ends: 1015 [2018-11-23 00:24:33,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:24:33,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-11-23 00:24:33,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 999. [2018-11-23 00:24:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-11-23 00:24:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1184 transitions. [2018-11-23 00:24:33,338 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1184 transitions. Word has length 84 [2018-11-23 00:24:33,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:33,338 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1184 transitions. [2018-11-23 00:24:33,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:24:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1184 transitions. [2018-11-23 00:24:33,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 00:24:33,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:33,341 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:33,341 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:33,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:33,341 INFO L82 PathProgramCache]: Analyzing trace with hash 490036187, now seen corresponding path program 1 times [2018-11-23 00:24:33,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:33,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:33,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:33,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:33,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:24:33,413 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:33,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:24:33,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:24:33,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:24:33,414 INFO L87 Difference]: Start difference. First operand 999 states and 1184 transitions. Second operand 7 states. [2018-11-23 00:24:33,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:33,797 INFO L93 Difference]: Finished difference Result 2059 states and 2511 transitions. [2018-11-23 00:24:33,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 00:24:33,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 00:24:33,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:33,802 INFO L225 Difference]: With dead ends: 2059 [2018-11-23 00:24:33,802 INFO L226 Difference]: Without dead ends: 1088 [2018-11-23 00:24:33,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:24:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-11-23 00:24:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 996. [2018-11-23 00:24:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-11-23 00:24:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1175 transitions. [2018-11-23 00:24:33,841 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1175 transitions. Word has length 88 [2018-11-23 00:24:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:33,842 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1175 transitions. [2018-11-23 00:24:33,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:24:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1175 transitions. [2018-11-23 00:24:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 00:24:33,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:33,844 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:33,844 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:33,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:33,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1705163544, now seen corresponding path program 1 times [2018-11-23 00:24:33,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:33,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:33,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:24:33,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:33,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:24:33,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:33,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:24:33,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:24:33,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:24:33,895 INFO L87 Difference]: Start difference. First operand 996 states and 1175 transitions. Second operand 6 states. [2018-11-23 00:24:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:33,934 INFO L93 Difference]: Finished difference Result 2006 states and 2438 transitions. [2018-11-23 00:24:33,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:24:33,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-23 00:24:33,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:33,938 INFO L225 Difference]: With dead ends: 2006 [2018-11-23 00:24:33,938 INFO L226 Difference]: Without dead ends: 1038 [2018-11-23 00:24:33,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:24:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-11-23 00:24:33,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2018-11-23 00:24:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-11-23 00:24:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1207 transitions. [2018-11-23 00:24:33,972 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1207 transitions. Word has length 104 [2018-11-23 00:24:33,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:33,972 INFO L480 AbstractCegarLoop]: Abstraction has 1026 states and 1207 transitions. [2018-11-23 00:24:33,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:24:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1207 transitions. [2018-11-23 00:24:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 00:24:33,974 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:33,974 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:33,975 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:33,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:33,975 INFO L82 PathProgramCache]: Analyzing trace with hash 223109158, now seen corresponding path program 1 times [2018-11-23 00:24:33,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:33,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:33,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:33,976 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:24:34,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:34,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 00:24:34,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:34,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:24:34,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:24:34,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:24:34,043 INFO L87 Difference]: Start difference. First operand 1026 states and 1207 transitions. Second operand 8 states. [2018-11-23 00:24:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:34,083 INFO L93 Difference]: Finished difference Result 1822 states and 2192 transitions. [2018-11-23 00:24:34,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:24:34,084 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-23 00:24:34,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:34,087 INFO L225 Difference]: With dead ends: 1822 [2018-11-23 00:24:34,087 INFO L226 Difference]: Without dead ends: 824 [2018-11-23 00:24:34,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:24:34,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-11-23 00:24:34,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-11-23 00:24:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-11-23 00:24:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 957 transitions. [2018-11-23 00:24:34,113 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 957 transitions. Word has length 104 [2018-11-23 00:24:34,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:34,113 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 957 transitions. [2018-11-23 00:24:34,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:24:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 957 transitions. [2018-11-23 00:24:34,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 00:24:34,115 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:34,115 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:34,115 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:34,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:34,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1162101567, now seen corresponding path program 1 times [2018-11-23 00:24:34,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:34,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:34,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:34,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:34,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:24:34,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:24:34,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:24:34,221 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-23 00:24:34,222 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [35], [37], [38], [41], [56], [59], [60], [64], [65], [67], [76], [80], [84], [87], [92], [95], [100], [106], [109], [119], [120], [123], [125], [128], [130], [133], [136], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [212], [216], [223], [224], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [280], [281], [283], [284], [291], [292], [293], [294], [295], [296], [299], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-11-23 00:24:34,249 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:24:34,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:24:34,620 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:24:34,621 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-11-23 00:24:34,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:34,643 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:24:34,847 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.64% of their original sizes. [2018-11-23 00:24:34,847 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:24:34,997 INFO L415 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-11-23 00:24:34,997 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:24:34,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:24:34,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-11-23 00:24:34,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:34,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 00:24:34,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 00:24:34,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-11-23 00:24:34,999 INFO L87 Difference]: Start difference. First operand 824 states and 957 transitions. Second operand 22 states. [2018-11-23 00:24:39,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:39,642 INFO L93 Difference]: Finished difference Result 2074 states and 2441 transitions. [2018-11-23 00:24:39,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 00:24:39,642 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 108 [2018-11-23 00:24:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:39,648 INFO L225 Difference]: With dead ends: 2074 [2018-11-23 00:24:39,649 INFO L226 Difference]: Without dead ends: 1278 [2018-11-23 00:24:39,652 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2018-11-23 00:24:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2018-11-23 00:24:39,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1272. [2018-11-23 00:24:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-11-23 00:24:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1459 transitions. [2018-11-23 00:24:39,714 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1459 transitions. Word has length 108 [2018-11-23 00:24:39,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:39,714 INFO L480 AbstractCegarLoop]: Abstraction has 1272 states and 1459 transitions. [2018-11-23 00:24:39,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 00:24:39,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1459 transitions. [2018-11-23 00:24:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 00:24:39,719 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:39,719 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:39,720 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:39,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2128918407, now seen corresponding path program 1 times [2018-11-23 00:24:39,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:39,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:39,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:39,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:39,721 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 00:24:39,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:24:39,804 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:24:39,804 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-23 00:24:39,805 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-11-23 00:24:39,808 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:24:39,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:24:41,229 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:24:41,230 INFO L272 AbstractInterpreter]: Visited 135 different actions 656 times. Merged at 17 different actions 49 times. Never widened. Performed 28962 root evaluator evaluations with a maximum evaluation depth of 5. Performed 28962 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-23 00:24:41,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:41,232 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:24:41,618 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 97.86% of their original sizes. [2018-11-23 00:24:41,618 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:24:41,829 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-23 00:24:41,830 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:24:41,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:24:41,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [5] total 29 [2018-11-23 00:24:41,830 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:41,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-23 00:24:41,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-23 00:24:41,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=551, Unknown=0, NotChecked=0, Total=650 [2018-11-23 00:24:41,831 INFO L87 Difference]: Start difference. First operand 1272 states and 1459 transitions. Second operand 26 states. [2018-11-23 00:24:55,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:55,428 INFO L93 Difference]: Finished difference Result 3934 states and 4798 transitions. [2018-11-23 00:24:55,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-11-23 00:24:55,428 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 166 [2018-11-23 00:24:55,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:55,440 INFO L225 Difference]: With dead ends: 3934 [2018-11-23 00:24:55,440 INFO L226 Difference]: Without dead ends: 2972 [2018-11-23 00:24:55,444 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2557 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=965, Invalid=6867, Unknown=0, NotChecked=0, Total=7832 [2018-11-23 00:24:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2018-11-23 00:24:55,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2294. [2018-11-23 00:24:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2294 states. [2018-11-23 00:24:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2652 transitions. [2018-11-23 00:24:55,576 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2652 transitions. Word has length 166 [2018-11-23 00:24:55,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:55,577 INFO L480 AbstractCegarLoop]: Abstraction has 2294 states and 2652 transitions. [2018-11-23 00:24:55,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-23 00:24:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2652 transitions. [2018-11-23 00:24:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 00:24:55,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:55,583 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 00:24:55,583 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:55,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:55,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2109405424, now seen corresponding path program 1 times [2018-11-23 00:24:55,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:55,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:55,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:55,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:55,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 49 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 00:24:55,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:24:55,704 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:24:55,704 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-23 00:24:55,705 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-11-23 00:24:55,708 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:24:55,708 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:24:57,407 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:24:57,407 INFO L272 AbstractInterpreter]: Visited 139 different actions 1225 times. Merged at 23 different actions 135 times. Widened at 1 different actions 1 times. Performed 41274 root evaluator evaluations with a maximum evaluation depth of 5. Performed 41274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 33 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-23 00:24:57,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:57,411 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:24:57,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:24:57,411 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:24:57,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:57,419 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:24:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:57,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:24:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 00:24:57,678 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:24:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 49 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 00:24:58,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:24:58,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-23 00:24:58,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:58,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:24:58,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:24:58,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:24:58,040 INFO L87 Difference]: Start difference. First operand 2294 states and 2652 transitions. Second operand 5 states. [2018-11-23 00:24:58,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:58,441 INFO L93 Difference]: Finished difference Result 3923 states and 4696 transitions. [2018-11-23 00:24:58,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:24:58,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2018-11-23 00:24:58,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:58,450 INFO L225 Difference]: With dead ends: 3923 [2018-11-23 00:24:58,451 INFO L226 Difference]: Without dead ends: 2142 [2018-11-23 00:24:58,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 454 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:24:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2018-11-23 00:24:58,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 2000. [2018-11-23 00:24:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2000 states. [2018-11-23 00:24:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2315 transitions. [2018-11-23 00:24:58,578 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2315 transitions. Word has length 227 [2018-11-23 00:24:58,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:58,579 INFO L480 AbstractCegarLoop]: Abstraction has 2000 states and 2315 transitions. [2018-11-23 00:24:58,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:24:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2315 transitions. [2018-11-23 00:24:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 00:24:58,585 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:58,585 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:58,585 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:58,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:58,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1448990618, now seen corresponding path program 1 times [2018-11-23 00:24:58,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:58,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:58,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:58,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:58,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 12 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 00:24:58,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:24:58,737 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:24:58,738 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-23 00:24:58,738 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [261], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-11-23 00:24:58,740 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:24:58,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:25:00,310 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:25:00,310 INFO L272 AbstractInterpreter]: Visited 140 different actions 1224 times. Merged at 25 different actions 132 times. Widened at 1 different actions 1 times. Performed 40078 root evaluator evaluations with a maximum evaluation depth of 5. Performed 40078 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 37 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-23 00:25:00,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:00,315 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:25:00,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:00,315 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:25:00,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:00,322 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:25:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:00,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:25:00,522 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 92 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:25:00,522 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:25:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 00:25:00,872 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:25:00,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 19 [2018-11-23 00:25:00,872 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:25:00,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 00:25:00,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 00:25:00,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:25:00,873 INFO L87 Difference]: Start difference. First operand 2000 states and 2315 transitions. Second operand 14 states. [2018-11-23 00:25:01,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:01,912 INFO L93 Difference]: Finished difference Result 4971 states and 6584 transitions. [2018-11-23 00:25:01,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 00:25:01,912 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 227 [2018-11-23 00:25:01,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:01,926 INFO L225 Difference]: With dead ends: 4971 [2018-11-23 00:25:01,926 INFO L226 Difference]: Without dead ends: 3551 [2018-11-23 00:25:01,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 447 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=757, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 00:25:01,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2018-11-23 00:25:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 2881. [2018-11-23 00:25:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2018-11-23 00:25:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 3381 transitions. [2018-11-23 00:25:02,111 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 3381 transitions. Word has length 227 [2018-11-23 00:25:02,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:02,112 INFO L480 AbstractCegarLoop]: Abstraction has 2881 states and 3381 transitions. [2018-11-23 00:25:02,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 00:25:02,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3381 transitions. [2018-11-23 00:25:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 00:25:02,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:02,119 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:25:02,119 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:02,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:02,119 INFO L82 PathProgramCache]: Analyzing trace with hash 331340246, now seen corresponding path program 1 times [2018-11-23 00:25:02,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:02,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:02,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:02,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:02,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 00:25:02,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:02,209 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:25:02,209 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-11-23 00:25:02,209 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [27], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [229], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-11-23 00:25:02,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:25:02,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:25:04,221 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:25:04,221 INFO L272 AbstractInterpreter]: Visited 141 different actions 1307 times. Merged at 25 different actions 152 times. Widened at 1 different actions 1 times. Performed 45271 root evaluator evaluations with a maximum evaluation depth of 5. Performed 45271 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 45 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-23 00:25:04,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:04,227 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:25:04,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:04,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:25:04,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:04,246 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:25:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:04,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:25:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 00:25:04,393 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:25:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 00:25:04,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:25:04,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 00:25:04,566 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:25:04,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:25:04,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:25:04,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:25:04,567 INFO L87 Difference]: Start difference. First operand 2881 states and 3381 transitions. Second operand 6 states. [2018-11-23 00:25:04,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:04,661 INFO L93 Difference]: Finished difference Result 4738 states and 5589 transitions. [2018-11-23 00:25:04,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:25:04,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2018-11-23 00:25:04,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:04,672 INFO L225 Difference]: With dead ends: 4738 [2018-11-23 00:25:04,672 INFO L226 Difference]: Without dead ends: 2743 [2018-11-23 00:25:04,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 441 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 00:25:04,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2018-11-23 00:25:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2731. [2018-11-23 00:25:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2731 states. [2018-11-23 00:25:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 3155 transitions. [2018-11-23 00:25:04,826 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 3155 transitions. Word has length 223 [2018-11-23 00:25:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:04,826 INFO L480 AbstractCegarLoop]: Abstraction has 2731 states and 3155 transitions. [2018-11-23 00:25:04,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:25:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3155 transitions. [2018-11-23 00:25:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 00:25:04,832 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:04,832 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:25:04,832 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:04,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:04,833 INFO L82 PathProgramCache]: Analyzing trace with hash 662173150, now seen corresponding path program 1 times [2018-11-23 00:25:04,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:04,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:04,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:04,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:04,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 00:25:04,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:04,965 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:25:04,965 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-23 00:25:04,966 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [229], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-11-23 00:25:04,967 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:25:04,967 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:25:06,748 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:25:06,748 INFO L272 AbstractInterpreter]: Visited 140 different actions 1159 times. Merged at 23 different actions 128 times. Widened at 1 different actions 1 times. Performed 48175 root evaluator evaluations with a maximum evaluation depth of 5. Performed 48175 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 37 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-23 00:25:06,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:06,749 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:25:06,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:06,750 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:25:06,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:06,756 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:25:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:06,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:25:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 93 proven. 25 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 00:25:06,913 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:25:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 00:25:07,176 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:25:07,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 20 [2018-11-23 00:25:07,176 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:25:07,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 00:25:07,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 00:25:07,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-11-23 00:25:07,178 INFO L87 Difference]: Start difference. First operand 2731 states and 3155 transitions. Second operand 14 states. [2018-11-23 00:25:07,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:07,813 INFO L93 Difference]: Finished difference Result 3720 states and 4324 transitions. [2018-11-23 00:25:07,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 00:25:07,814 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 227 [2018-11-23 00:25:07,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:07,815 INFO L225 Difference]: With dead ends: 3720 [2018-11-23 00:25:07,815 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:25:07,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 450 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=605, Unknown=0, NotChecked=0, Total=812 [2018-11-23 00:25:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:25:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:25:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:25:07,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:25:07,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-11-23 00:25:07,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:07,823 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:25:07,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 00:25:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:25:07,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:25:07,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:25:08,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:08,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:25:09,066 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 27 [2018-11-23 00:25:09,371 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2018-11-23 00:25:09,816 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2018-11-23 00:25:09,957 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2018-11-23 00:25:10,153 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 34 [2018-11-23 00:25:10,446 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2018-11-23 00:25:11,105 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40 [2018-11-23 00:25:11,395 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-11-23 00:25:11,703 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 48 [2018-11-23 00:25:12,020 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-11-23 00:25:12,043 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-11-23 00:25:12,043 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-11-23 00:25:12,043 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-23 00:25:12,043 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-11-23 00:25:12,043 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L444 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,044 INFO L444 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,044 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-11-23 00:25:12,044 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-11-23 00:25:12,045 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,045 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-11-23 00:25:12,045 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-11-23 00:25:12,045 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-11-23 00:25:12,046 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 (not .cse1) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse1))) [2018-11-23 00:25:12,046 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-11-23 00:25:12,046 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not .cse0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse0) (or .cse3 .cse4 .cse1 .cse2))) [2018-11-23 00:25:12,046 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (< 1 ~waterLevel~0)) (.cse0 (not .cse5)) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or .cse3 (and (<= 1 processEnvironment_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4 .cse1 .cse5) (or .cse3 .cse0 .cse4 .cse1 .cse2)))) [2018-11-23 00:25:12,046 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-11-23 00:25:12,046 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-11-23 00:25:12,046 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 (not .cse1) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse1))) [2018-11-23 00:25:12,046 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4 .cse1 .cse5)))) [2018-11-23 00:25:12,046 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-23 00:25:12,047 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-23 00:25:12,047 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,047 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-11-23 00:25:12,047 INFO L444 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse5 .cse3 .cse4) (and (and .cse3 (not .cse5) .cse4) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 00:25:12,048 INFO L448 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-11-23 00:25:12,048 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse5 .cse3 .cse4) (and (and .cse3 (not .cse5) .cse4) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 00:25:12,048 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-11-23 00:25:12,048 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and .cse2 (not .cse1) .cse3) .cse4 .cse5) (and .cse0 .cse4 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 00:25:12,048 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-11-23 00:25:12,048 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-11-23 00:25:12,048 INFO L444 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and .cse2 (not .cse1) .cse3) .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse4 .cse5 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 00:25:12,048 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (<= 2 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (<= 1 ~waterLevel~0)) (and .cse0 .cse4 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and (and .cse2 (not .cse1) .cse3) .cse5) .cse4))) [2018-11-23 00:25:12,048 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L444 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:25:12,049 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-23 00:25:12,049 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-11-23 00:25:12,050 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse4 (< 2 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 1 ~pumpRunning~0)) .cse2 .cse1 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse1 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 00:25:12,050 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-11-23 00:25:12,050 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse4 (< 2 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 1 ~pumpRunning~0)) .cse2 .cse1 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse1 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 00:25:12,050 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) (or .cse4 .cse2)))) [2018-11-23 00:25:12,050 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-11-23 00:25:12,050 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-11-23 00:25:12,050 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-11-23 00:25:12,050 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 1)) (.cse8 (< 2 ~waterLevel~0)) (.cse9 (< ~waterLevel~0 2)) (.cse10 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 (or .cse2 .cse4 .cse7) .cse3) (or .cse5 .cse8 .cse9 .cse10 .cse4 .cse6) (or .cse2 .cse8 .cse9 .cse4 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse4 .cse6 .cse7) (or .cse0 .cse2 .cse5 .cse4 .cse6 (not (= ~waterLevel~0 2))))) [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:25:12,051 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)) [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))))) [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-23 00:25:12,051 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse9 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 (or .cse9 .cse1 .cse2)) (or .cse9 .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse7 .cse8 (or .cse1 .cse2 .cse4)))) [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-23 00:25:12,052 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-11-23 00:25:12,052 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-23 00:25:12,052 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-23 00:25:12,052 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse8 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse6)) (.cse0 (and .cse8 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse1 .cse0 (< |old(~waterLevel~0)| 1) .cse4 .cse5) (or .cse2 .cse3 (or .cse4 .cse6) (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse7)) (or .cse2 (or .cse4 .cse5) .cse8 .cse3)))) [2018-11-23 00:25:12,053 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not .cse6)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4 .cse5)) (or .cse0 .cse1 (or .cse4 .cse6) (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (or .cse7 .cse3 .cse8 .cse0 .cse1 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse8 (and .cse2 .cse9 .cse7) (< |old(~waterLevel~0)| 1) .cse4 .cse5) (or (and .cse2 (= ~pumpRunning~0 1) .cse9) .cse8 .cse0 (and .cse2 (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse1 .cse4 .cse5)))) [2018-11-23 00:25:12,053 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1) .cse3 .cse4) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (or .cse3 .cse5)) (or (= ~methAndRunningLastTime~0 0) .cse1 (or .cse3 .cse4) .cse2)))) [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and (= ~methAndRunningLastTime~0 0) .cse7 .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 1 |old(~waterLevel~0)|) (not .cse5) .cse0 (< |old(~waterLevel~0)| 1) .cse3 .cse4) (or (and .cse6 .cse7) .cse1 .cse2 (or .cse3 .cse5))))) [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (< 2 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0))) [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-23 00:25:12,053 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-23 00:25:12,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:25:12,054 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 00:25:12,054 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:25:12,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:25:12,054 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse2 .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse3))) [2018-11-23 00:25:12,054 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse0 (< ~waterLevel~0 1) .cse2 .cse3))) [2018-11-23 00:25:12,054 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-23 00:25:12,054 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-23 00:25:12,054 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-23 00:25:12,054 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse0 (< ~waterLevel~0 1) .cse2 .cse3))) [2018-11-23 00:25:12,054 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4)) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or (< 1 ~waterLevel~0) (not .cse4) .cse0 (< ~waterLevel~0 1) .cse3 .cse5))) [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (or (not .cse2) .cse1 (not (= ~methAndRunningLastTime~0 0))))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse3 .cse5 .cse4) (or (< 1 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 1) .cse4 .cse5)))) [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-23 00:25:12,055 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-11-23 00:25:12,055 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-23 00:25:12,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:25:12 BoogieIcfgContainer [2018-11-23 00:25:12,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:25:12,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:25:12,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:25:12,075 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:25:12,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:31" (3/4) ... [2018-11-23 00:25:12,078 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:25:12,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 00:25:12,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 00:25:12,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 00:25:12,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 00:25:12,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 00:25:12,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 00:25:12,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 00:25:12,101 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 00:25:12,102 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 00:25:12,104 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:25:12,104 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:25:12,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:25:12,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:25:12,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:25:12,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || (((((methAndRunningLastTime == 0 && waterLevel <= 1) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(systemActive) == 1)) || ((((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= 2) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 00:25:12,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 00:25:12,169 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fc0b39ea-bcb9-486f-a5ec-2907b3be45a4/bin-2019/utaipan/witness.graphml [2018-11-23 00:25:12,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:25:12,170 INFO L168 Benchmark]: Toolchain (without parser) took 41736.09 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 955.5 MB in the beginning and 1.7 GB in the end (delta: -709.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 00:25:12,170 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:25:12,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:25:12,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:25:12,170 INFO L168 Benchmark]: Boogie Preprocessor took 25.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:25:12,171 INFO L168 Benchmark]: RCFGBuilder took 441.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:25:12,171 INFO L168 Benchmark]: TraceAbstraction took 40784.56 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -634.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 00:25:12,171 INFO L168 Benchmark]: Witness Printer took 94.17 ms. Allocated memory is still 3.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:25:12,173 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 441.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40784.56 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -634.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 94.17 ms. Allocated memory is still 3.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((((methAndRunningLastTime == 0 && waterLevel <= 1) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(systemActive) == 1)) || ((((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= 2) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 40.7s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 22.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3310 SDtfs, 4386 SDslu, 11021 SDs, 0 SdLazy, 7579 SolverSat, 2762 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2328 GetRequests, 2064 SyntacticMatches, 20 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3267 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2881occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.9s AbstIntTime, 6 AbstIntIterations, 2 AbstIntStrong, 0.9964058560088063 AbsIntWeakeningRatio, 0.9080882352941176 AbsIntAvgWeakeningVarsNumRemoved, 95.97058823529412 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 1659 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 5916 PreInvPairs, 6114 NumberOfFragments, 2602 HoareAnnotationTreeSize, 5916 FomulaSimplifications, 28503 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 67 FomulaSimplificationsInter, 35961 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2776 NumberOfCodeBlocks, 2776 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3657 ConstructedInterpolants, 0 QuantifiedInterpolants, 1027929 SizeOfPredicates, 19 NumberOfNonLiveVariables, 4326 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 1487/1620 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...