./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_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_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/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 1c36260bdfb38a7ddcc128caab61da79dda5fd60 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:50:06,467 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:50:06,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:50:06,477 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:50:06,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:50:06,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:50:06,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:50:06,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:50:06,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:50:06,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:50:06,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:50:06,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:50:06,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:50:06,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:50:06,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:50:06,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:50:06,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:50:06,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:50:06,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:50:06,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:50:06,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:50:06,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:50:06,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:50:06,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:50:06,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:50:06,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:50:06,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:50:06,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:50:06,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:50:06,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:50:06,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:50:06,495 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:50:06,495 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:50:06,495 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:50:06,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:50:06,497 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:50:06,497 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:50:06,506 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:50:06,506 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:50:06,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:50:06,507 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:50:06,507 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:50:06,508 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:50:06,508 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:50:06,508 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:50:06,508 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:50:06,508 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:50:06,508 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:50:06,508 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:50:06,509 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:50:06,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:50:06,509 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:50:06,510 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:50:06,510 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:50:06,510 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:50:06,510 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:50:06,510 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:50:06,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:50:06,511 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:50:06,511 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:50:06,511 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:50:06,511 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:50:06,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:50:06,511 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:50:06,512 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:50:06,512 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:50:06,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:50:06,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:50:06,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:50:06,512 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:50:06,513 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:50:06,513 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:50:06,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:50:06,513 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:50:06,513 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_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/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 -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2018-11-22 22:50:06,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:50:06,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:50:06,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:50:06,556 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:50:06,556 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:50:06,557 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-22 22:50:06,610 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/data/9cc50a5e3/d8a32d0345d54abea48f10986e4861c8/FLAG701c41932 [2018-11-22 22:50:07,004 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:50:07,004 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-22 22:50:07,012 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/data/9cc50a5e3/d8a32d0345d54abea48f10986e4861c8/FLAG701c41932 [2018-11-22 22:50:07,024 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/data/9cc50a5e3/d8a32d0345d54abea48f10986e4861c8 [2018-11-22 22:50:07,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:50:07,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:50:07,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:50:07,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:50:07,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:50:07,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d722fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07, skipping insertion in model container [2018-11-22 22:50:07,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:50:07,085 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:50:07,328 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:50:07,338 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:50:07,448 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:50:07,467 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:50:07,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07 WrapperNode [2018-11-22 22:50:07,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:50:07,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:50:07,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:50:07,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:50:07,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:50:07,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:50:07,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:50:07,493 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:50:07,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... [2018-11-22 22:50:07,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:50:07,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:50:07,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:50:07,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:50:07,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/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 [2018-11-22 22:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 22:50:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 22:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:50:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 22:50:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 22:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 22:50:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 22:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 22:50:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 22:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 22:50:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 22:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 22:50:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 22:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 22:50:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 22:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 22:50:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 22:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 22:50:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 22:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 22:50:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 22:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 22:50:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 22:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:50:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:50:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 22:50:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 22:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 22:50:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 22:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:50:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 22:50:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 22:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:50:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 22:50:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 22:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 22:50:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 22:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 22:50:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 22:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 22:50:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 22:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 22:50:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 22:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:50:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:50:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-22 22:50:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-22 22:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 22:50:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 22:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:50:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:50:08,010 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:50:08,010 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 22:50:08,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:08 BoogieIcfgContainer [2018-11-22 22:50:08,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:50:08,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:50:08,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:50:08,016 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:50:08,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:50:07" (1/3) ... [2018-11-22 22:50:08,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfa9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:08, skipping insertion in model container [2018-11-22 22:50:08,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:07" (2/3) ... [2018-11-22 22:50:08,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfa9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:08, skipping insertion in model container [2018-11-22 22:50:08,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:08" (3/3) ... [2018-11-22 22:50:08,019 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-22 22:50:08,028 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:50:08,035 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:50:08,050 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:50:08,080 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:50:08,080 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:50:08,080 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:50:08,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:50:08,081 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:50:08,081 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:50:08,081 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:50:08,081 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:50:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-22 22:50:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 22:50:08,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:08,108 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] [2018-11-22 22:50:08,110 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:08,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:08,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1664615398, now seen corresponding path program 1 times [2018-11-22 22:50:08,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:08,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:08,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:08,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:08,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:08,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:08,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:50:08,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:08,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:50:08,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:50:08,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:50:08,345 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-22 22:50:08,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:08,376 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2018-11-22 22:50:08,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:50:08,377 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-22 22:50:08,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:08,386 INFO L225 Difference]: With dead ends: 276 [2018-11-22 22:50:08,387 INFO L226 Difference]: Without dead ends: 138 [2018-11-22 22:50:08,390 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 [2018-11-22 22:50:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-22 22:50:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-22 22:50:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-22 22:50:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-11-22 22:50:08,429 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2018-11-22 22:50:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:08,429 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-11-22 22:50:08,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:50:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-11-22 22:50:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 22:50:08,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:08,432 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:50:08,432 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:08,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:08,433 INFO L82 PathProgramCache]: Analyzing trace with hash 163545993, now seen corresponding path program 1 times [2018-11-22 22:50:08,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:08,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:08,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:08,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:08,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:08,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:08,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:50:08,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:08,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:50:08,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:50:08,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:50:08,526 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-11-22 22:50:08,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:08,549 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2018-11-22 22:50:08,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:50:08,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-22 22:50:08,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:08,551 INFO L225 Difference]: With dead ends: 221 [2018-11-22 22:50:08,551 INFO L226 Difference]: Without dead ends: 129 [2018-11-22 22:50:08,552 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 [2018-11-22 22:50:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-22 22:50:08,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-22 22:50:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-22 22:50:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-11-22 22:50:08,564 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2018-11-22 22:50:08,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:08,565 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-11-22 22:50:08,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:50:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-11-22 22:50:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 22:50:08,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:08,567 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] [2018-11-22 22:50:08,567 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:08,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1157605667, now seen corresponding path program 1 times [2018-11-22 22:50:08,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:08,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:08,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:08,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:08,569 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:08,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:08,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:50:08,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:08,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:50:08,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:50:08,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:50:08,708 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2018-11-22 22:50:08,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:08,990 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2018-11-22 22:50:08,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:50:08,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-22 22:50:08,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:08,992 INFO L225 Difference]: With dead ends: 234 [2018-11-22 22:50:08,992 INFO L226 Difference]: Without dead ends: 129 [2018-11-22 22:50:08,993 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 [2018-11-22 22:50:08,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-22 22:50:09,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-22 22:50:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-22 22:50:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2018-11-22 22:50:09,007 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2018-11-22 22:50:09,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:09,008 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2018-11-22 22:50:09,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:50:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2018-11-22 22:50:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-22 22:50:09,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:09,011 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] [2018-11-22 22:50:09,012 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:09,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:09,012 INFO L82 PathProgramCache]: Analyzing trace with hash -175626351, now seen corresponding path program 1 times [2018-11-22 22:50:09,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:09,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:09,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:09,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:09,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:09,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:09,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:09,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:50:09,103 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:09,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:50:09,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:50:09,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:50:09,104 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2018-11-22 22:50:09,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:09,653 INFO L93 Difference]: Finished difference Result 345 states and 413 transitions. [2018-11-22 22:50:09,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:50:09,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-22 22:50:09,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:09,656 INFO L225 Difference]: With dead ends: 345 [2018-11-22 22:50:09,656 INFO L226 Difference]: Without dead ends: 240 [2018-11-22 22:50:09,657 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 [2018-11-22 22:50:09,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-11-22 22:50:09,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2018-11-22 22:50:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-22 22:50:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2018-11-22 22:50:09,682 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2018-11-22 22:50:09,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:09,683 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2018-11-22 22:50:09,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:50:09,683 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2018-11-22 22:50:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-22 22:50:09,686 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:09,686 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] [2018-11-22 22:50:09,687 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:09,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:09,687 INFO L82 PathProgramCache]: Analyzing trace with hash 293779646, now seen corresponding path program 1 times [2018-11-22 22:50:09,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:09,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:09,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:09,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:09,688 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:09,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:09,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:50:09,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:09,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:50:09,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:50:09,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:50:09,793 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2018-11-22 22:50:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:09,964 INFO L93 Difference]: Finished difference Result 538 states and 643 transitions. [2018-11-22 22:50:09,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:50:09,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-22 22:50:09,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:09,968 INFO L225 Difference]: With dead ends: 538 [2018-11-22 22:50:09,968 INFO L226 Difference]: Without dead ends: 341 [2018-11-22 22:50:09,969 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:50:09,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-11-22 22:50:09,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2018-11-22 22:50:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-11-22 22:50:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 389 transitions. [2018-11-22 22:50:09,997 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 389 transitions. Word has length 85 [2018-11-22 22:50:09,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:09,998 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 389 transitions. [2018-11-22 22:50:09,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:50:09,998 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 389 transitions. [2018-11-22 22:50:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 22:50:10,001 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:10,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:50:10,001 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:10,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:10,002 INFO L82 PathProgramCache]: Analyzing trace with hash 298673348, now seen corresponding path program 1 times [2018-11-22 22:50:10,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:10,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:10,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,003 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:10,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:10,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:50:10,095 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:10,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:50:10,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:50:10,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:50:10,096 INFO L87 Difference]: Start difference. First operand 337 states and 389 transitions. Second operand 6 states. [2018-11-22 22:50:10,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:10,243 INFO L93 Difference]: Finished difference Result 726 states and 872 transitions. [2018-11-22 22:50:10,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:50:10,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-22 22:50:10,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:10,248 INFO L225 Difference]: With dead ends: 726 [2018-11-22 22:50:10,248 INFO L226 Difference]: Without dead ends: 529 [2018-11-22 22:50:10,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:50:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-11-22 22:50:10,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2018-11-22 22:50:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-11-22 22:50:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 603 transitions. [2018-11-22 22:50:10,283 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 603 transitions. Word has length 89 [2018-11-22 22:50:10,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:10,284 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 603 transitions. [2018-11-22 22:50:10,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:50:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 603 transitions. [2018-11-22 22:50:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 22:50:10,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:10,286 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:50:10,286 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:10,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:10,286 INFO L82 PathProgramCache]: Analyzing trace with hash -624010235, now seen corresponding path program 1 times [2018-11-22 22:50:10,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:10,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:10,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:10,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:10,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:50:10,342 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:10,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:50:10,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:50:10,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:50:10,343 INFO L87 Difference]: Start difference. First operand 511 states and 603 transitions. Second operand 5 states. [2018-11-22 22:50:10,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:10,370 INFO L93 Difference]: Finished difference Result 892 states and 1074 transitions. [2018-11-22 22:50:10,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:50:10,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-22 22:50:10,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:10,374 INFO L225 Difference]: With dead ends: 892 [2018-11-22 22:50:10,374 INFO L226 Difference]: Without dead ends: 521 [2018-11-22 22:50:10,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:50:10,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-11-22 22:50:10,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-11-22 22:50:10,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-22 22:50:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2018-11-22 22:50:10,400 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 89 [2018-11-22 22:50:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:10,401 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2018-11-22 22:50:10,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:50:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2018-11-22 22:50:10,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 22:50:10,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:10,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:50:10,404 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:10,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:10,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1468015737, now seen corresponding path program 1 times [2018-11-22 22:50:10,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:10,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:10,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:10,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:10,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:50:10,488 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:10,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:50:10,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:50:10,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:50:10,489 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 9 states. [2018-11-22 22:50:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:10,543 INFO L93 Difference]: Finished difference Result 1012 states and 1214 transitions. [2018-11-22 22:50:10,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:50:10,545 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-22 22:50:10,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:10,548 INFO L225 Difference]: With dead ends: 1012 [2018-11-22 22:50:10,548 INFO L226 Difference]: Without dead ends: 521 [2018-11-22 22:50:10,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:50:10,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-11-22 22:50:10,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-11-22 22:50:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-22 22:50:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 604 transitions. [2018-11-22 22:50:10,570 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 604 transitions. Word has length 89 [2018-11-22 22:50:10,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:10,570 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 604 transitions. [2018-11-22 22:50:10,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:50:10,571 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2018-11-22 22:50:10,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-22 22:50:10,572 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:10,572 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:50:10,572 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:10,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:10,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2075112032, now seen corresponding path program 1 times [2018-11-22 22:50:10,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:10,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:10,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:10,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:50:10,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-22 22:50:10,669 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:10,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:50:10,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:50:10,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:50:10,670 INFO L87 Difference]: Start difference. First operand 515 states and 604 transitions. Second operand 10 states. [2018-11-22 22:50:10,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:10,811 INFO L93 Difference]: Finished difference Result 1012 states and 1190 transitions. [2018-11-22 22:50:10,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 22:50:10,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-11-22 22:50:10,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:10,814 INFO L225 Difference]: With dead ends: 1012 [2018-11-22 22:50:10,814 INFO L226 Difference]: Without dead ends: 521 [2018-11-22 22:50:10,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:50:10,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-11-22 22:50:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 500. [2018-11-22 22:50:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-22 22:50:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 569 transitions. [2018-11-22 22:50:10,834 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 569 transitions. Word has length 90 [2018-11-22 22:50:10,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:10,834 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 569 transitions. [2018-11-22 22:50:10,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:50:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 569 transitions. [2018-11-22 22:50:10,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-22 22:50:10,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:10,837 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:50:10,837 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:10,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:10,838 INFO L82 PathProgramCache]: Analyzing trace with hash -270038364, now seen corresponding path program 1 times [2018-11-22 22:50:10,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:10,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:10,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:10,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 22:50:10,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:50:10,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:50:10,893 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-22 22:50:10,895 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [101], [104], [114], [115], [116], [117], [118], [119], [120], [122], [125], [129], [130], [131], [132], [142], [145], [149], [155], [182], [183], [184], [186], [189], [191], [193], [196], [198], [203], [209], [212], [216], [217], [221], [224], [226], [229], [239], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [298], [299], [300], [301], [302], [304], [305], [306], [308], [309], [310], [311] [2018-11-22 22:50:10,924 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:50:10,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:50:11,511 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:50:11,512 INFO L272 AbstractInterpreter]: Visited 63 different actions 93 times. Merged at 6 different actions 6 times. Never widened. Performed 4682 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4682 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-22 22:50:11,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:11,531 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:50:11,953 INFO L227 lantSequenceWeakener]: Weakened 73 states. On average, predicates are now at 96.4% of their original sizes. [2018-11-22 22:50:11,954 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:50:12,114 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-11-22 22:50:12,115 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:50:12,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:50:12,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-22 22:50:12,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:50:12,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-22 22:50:12,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 22:50:12,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-11-22 22:50:12,117 INFO L87 Difference]: Start difference. First operand 500 states and 569 transitions. Second operand 19 states. [2018-11-22 22:50:15,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:15,155 INFO L93 Difference]: Finished difference Result 1132 states and 1317 transitions. [2018-11-22 22:50:15,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-22 22:50:15,155 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 140 [2018-11-22 22:50:15,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:15,157 INFO L225 Difference]: With dead ends: 1132 [2018-11-22 22:50:15,157 INFO L226 Difference]: Without dead ends: 656 [2018-11-22 22:50:15,158 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-11-22 22:50:15,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-11-22 22:50:15,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 645. [2018-11-22 22:50:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2018-11-22 22:50:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 730 transitions. [2018-11-22 22:50:15,185 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 730 transitions. Word has length 140 [2018-11-22 22:50:15,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:15,185 INFO L480 AbstractCegarLoop]: Abstraction has 645 states and 730 transitions. [2018-11-22 22:50:15,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-22 22:50:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 730 transitions. [2018-11-22 22:50:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-22 22:50:15,187 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:50:15,187 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:50:15,187 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:50:15,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:15,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1290081535, now seen corresponding path program 1 times [2018-11-22 22:50:15,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:50:15,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:15,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:15,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:50:15,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:50:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 22:50:15,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:50:15,260 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:50:15,261 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-22 22:50:15,261 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [59], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [101], [104], [114], [115], [116], [117], [118], [119], [120], [122], [127], [129], [130], [131], [132], [142], [145], [149], [155], [182], [183], [184], [186], [189], [191], [193], [196], [198], [203], [209], [212], [216], [217], [221], [224], [226], [229], [239], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [298], [299], [300], [301], [302], [304], [305], [306], [308], [309], [310], [311] [2018-11-22 22:50:15,264 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:50:15,264 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:50:15,784 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:50:15,784 INFO L272 AbstractInterpreter]: Visited 115 different actions 352 times. Merged at 14 different actions 27 times. Never widened. Performed 12566 root evaluator evaluations with a maximum evaluation depth of 5. Performed 12566 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 4 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-22 22:50:15,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:15,787 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:50:15,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:50:15,787 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/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 [2018-11-22 22:50:15,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:50:15,795 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:50:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:15,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:50:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 22:50:16,043 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:50:16,422 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 22:50:16,441 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:50:16,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-22 22:50:16,441 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:50:16,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 22:50:16,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 22:50:16,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-22 22:50:16,443 INFO L87 Difference]: Start difference. First operand 645 states and 730 transitions. Second operand 15 states. [2018-11-22 22:50:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:50:18,920 INFO L93 Difference]: Finished difference Result 2079 states and 2851 transitions. [2018-11-22 22:50:18,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-22 22:50:18,921 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 140 [2018-11-22 22:50:18,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:50:18,922 INFO L225 Difference]: With dead ends: 2079 [2018-11-22 22:50:18,922 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:50:18,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 270 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-22 22:50:18,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:50:18,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:50:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:50:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:50:18,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-11-22 22:50:18,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:50:18,929 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:50:18,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 22:50:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:50:18,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:50:18,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:50:19,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:19,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:50:20,530 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2018-11-22 22:50:20,766 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2018-11-22 22:50:21,023 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2018-11-22 22:50:21,207 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2018-11-22 22:50:21,818 WARN L180 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2018-11-22 22:50:22,141 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-11-22 22:50:22,689 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-11-22 22:50:23,282 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2018-11-22 22:50:23,291 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2018-11-22 22:50:23,291 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2018-11-22 22:50:23,291 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:50:23,292 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:50:23,292 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:50:23,292 INFO L444 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 22:50:23,292 INFO L444 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2018-11-22 22:50:23,292 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2018-11-22 22:50:23,292 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2018-11-22 22:50:23,293 INFO L451 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2018-11-22 22:50:23,293 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2018-11-22 22:50:23,293 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-22 22:50:23,293 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-22 22:50:23,293 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-22 22:50:23,294 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2018-11-22 22:50:23,294 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L444 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2018-11-22 22:50:23,294 INFO L444 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:50:23,294 INFO L448 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L444 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:50:23,295 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2018-11-22 22:50:23,295 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:50:23,296 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)) [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2018-11-22 22:50:23,296 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2018-11-22 22:50:23,296 INFO L451 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-11-22 22:50:23,296 INFO L448 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2018-11-22 22:50:23,296 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2018-11-22 22:50:23,297 INFO L448 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-11-22 22:50:23,297 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2018-11-22 22:50:23,297 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-11-22 22:50:23,297 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-11-22 22:50:23,297 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-11-22 22:50:23,297 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-11-22 22:50:23,297 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-11-22 22:50:23,297 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-11-22 22:50:23,297 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-11-22 22:50:23,298 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-11-22 22:50:23,298 INFO L444 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 .cse1 .cse7 .cse2 .cse8) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (and .cse9 (= 0 ~pumpRunning~0) .cse6) (and .cse9 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse9 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-11-22 22:50:23,298 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2018-11-22 22:50:23,298 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-11-22 22:50:23,298 INFO L448 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2018-11-22 22:50:23,299 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2018-11-22 22:50:23,299 INFO L448 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2018-11-22 22:50:23,299 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2018-11-22 22:50:23,299 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2018-11-22 22:50:23,299 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-22 22:50:23,299 INFO L451 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2018-11-22 22:50:23,299 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-22 22:50:23,299 INFO L451 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2018-11-22 22:50:23,299 INFO L451 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2018-11-22 22:50:23,299 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-22 22:50:23,299 INFO L451 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2018-11-22 22:50:23,299 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-11-22 22:50:23,300 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-11-22 22:50:23,300 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-11-22 22:50:23,300 INFO L451 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2018-11-22 22:50:23,300 INFO L448 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2018-11-22 22:50:23,300 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2018-11-22 22:50:23,300 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2018-11-22 22:50:23,300 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-22 22:50:23,300 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-11-22 22:50:23,300 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse3 .cse1) (or .cse0 .cse3 .cse1) (or (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse1))) [2018-11-22 22:50:23,300 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse6 .cse4 .cse5 .cse3))) [2018-11-22 22:50:23,301 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-11-22 22:50:23,301 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2018-11-22 22:50:23,301 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2018-11-22 22:50:23,302 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:50:23,302 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-22 22:50:23,302 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:50:23,302 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:50:23,302 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-22 22:50:23,302 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2018-11-22 22:50:23,302 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-22 22:50:23,302 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2018-11-22 22:50:23,302 INFO L444 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-22 22:50:23,303 INFO L444 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse1 (not (= ~waterLevel~0 2))))) [2018-11-22 22:50:23,303 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2018-11-22 22:50:23,303 INFO L444 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-22 22:50:23,303 INFO L448 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2018-11-22 22:50:23,303 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2018-11-22 22:50:23,303 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2018-11-22 22:50:23,303 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse0 .cse1))) [2018-11-22 22:50:23,303 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2018-11-22 22:50:23,304 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-11-22 22:50:23,304 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (< 1 |old(~waterLevel~0)|)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse1 .cse4) (or .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse6 .cse5) (or .cse2 .cse4 .cse0 .cse1))) [2018-11-22 22:50:23,304 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-11-22 22:50:23,304 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-22 22:50:23,304 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2018-11-22 22:50:23,304 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2018-11-22 22:50:23,304 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-22 22:50:23,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:50:23 BoogieIcfgContainer [2018-11-22 22:50:23,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:50:23,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:50:23,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:50:23,316 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:50:23,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:08" (3/4) ... [2018-11-22 22:50:23,320 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:50:23,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 22:50:23,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 22:50:23,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:50:23,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 22:50:23,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 22:50:23,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 22:50:23,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 22:50:23,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:50:23,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:50:23,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:50:23,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 22:50:23,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-22 22:50:23,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 22:50:23,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 22:50:23,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:50:23,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 22:50:23,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:50:23,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 22:50:23,341 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-22 22:50:23,341 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:50:23,342 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:50:23,342 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:50:23,342 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:50:23,343 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:50:23,345 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:50:23,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 22:50:23,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 22:50:23,408 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73375cbf-60e9-4bf9-a7ca-bdd261efba9a/bin-2019/utaipan/witness.graphml [2018-11-22 22:50:23,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:50:23,409 INFO L168 Benchmark]: Toolchain (without parser) took 16381.73 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 563.6 MB). Free memory was 955.5 MB in the beginning and 1.4 GB in the end (delta: -493.7 MB). Peak memory consumption was 70.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:23,409 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:50:23,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:23,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.04 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. [2018-11-22 22:50:23,410 INFO L168 Benchmark]: Boogie Preprocessor took 28.15 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. [2018-11-22 22:50:23,410 INFO L168 Benchmark]: RCFGBuilder took 491.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:23,411 INFO L168 Benchmark]: TraceAbstraction took 15302.86 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 421.5 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -388.2 MB). Peak memory consumption was 552.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:23,411 INFO L168 Benchmark]: Witness Printer took 91.81 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:23,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.04 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 28.15 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 491.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15302.86 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 421.5 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -388.2 MB). Peak memory consumption was 552.3 MB. Max. memory is 11.5 GB. * Witness Printer took 91.81 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 15.2s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 7.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1879 SDtfs, 2083 SDslu, 6779 SDs, 0 SdLazy, 3794 SolverSat, 1187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 564 GetRequests, 427 SyntacticMatches, 14 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9978833301187071 AbsIntWeakeningRatio, 0.935251798561151 AbsIntAvgWeakeningVarsNumRemoved, 28.179856115107913 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 85 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1918 PreInvPairs, 2317 NumberOfFragments, 1875 HoareAnnotationTreeSize, 1918 FomulaSimplifications, 7369 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20156 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1223 ConstructedInterpolants, 0 QuantifiedInterpolants, 222470 SizeOfPredicates, 7 NumberOfNonLiveVariables, 847 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 84/100 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...