./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54_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_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:54:22,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:54:22,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:54:22,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:54:22,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:54:22,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:54:22,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:54:22,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:54:22,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:54:22,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:54:22,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:54:22,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:54:22,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:54:22,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:54:22,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:54:22,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:54:22,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:54:22,560 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:54:22,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:54:22,562 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:54:22,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:54:22,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:54:22,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:54:22,565 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:54:22,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:54:22,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:54:22,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:54:22,567 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:54:22,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:54:22,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:54:22,569 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:54:22,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:54:22,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:54:22,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:54:22,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:54:22,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:54:22,571 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 22:54:22,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:54:22,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:54:22,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:54:22,582 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:54:22,582 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:54:22,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:54:22,582 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:54:22,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:54:22,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:54:22,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:54:22,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:54:22,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:54:22,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:54:22,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:54:22,584 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:54:22,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:54:22,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:54:22,584 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:54:22,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:54:22,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:54:22,584 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:54:22,585 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:54:22,585 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:54:22,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:54:22,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:54:22,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:54:22,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:54:22,585 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:54:22,586 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:54:22,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:54:22,586 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer 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 -> Automizer 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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2018-11-22 22:54:22,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:54:22,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:54:22,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:54:22,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:54:22,617 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:54:22,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2018-11-22 22:54:22,655 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/data/e93d56272/df19a907a8bf4d918d0d8152eac2c5ab/FLAG4582468bc [2018-11-22 22:54:23,070 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:54:23,071 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/sv-benchmarks/c/product-lines/minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2018-11-22 22:54:23,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/data/e93d56272/df19a907a8bf4d918d0d8152eac2c5ab/FLAG4582468bc [2018-11-22 22:54:23,089 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/data/e93d56272/df19a907a8bf4d918d0d8152eac2c5ab [2018-11-22 22:54:23,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:54:23,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:54:23,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:54:23,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:54:23,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:54:23,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23, skipping insertion in model container [2018-11-22 22:54:23,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:54:23,137 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:54:23,331 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:54:23,341 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:54:23,433 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:54:23,450 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:54:23,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23 WrapperNode [2018-11-22 22:54:23,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:54:23,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:54:23,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:54:23,452 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:54:23,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:54:23,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:54:23,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:54:23,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:54:23,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... [2018-11-22 22:54:23,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:54:23,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:54:23,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:54:23,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:54:23,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/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 22:54:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 22:54:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 22:54:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:54:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:54:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:54:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:54:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 22:54:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 22:54:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:54:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 22:54:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 22:54:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 22:54:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 22:54:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 22:54:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 22:54:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 22:54:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 22:54:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 22:54:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 22:54:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 22:54:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 22:54:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 22:54:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 22:54:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 22:54:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 22:54:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 22:54:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 22:54:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 22:54:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 22:54:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:54:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:54:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:54:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:54:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 22:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 22:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 22:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 22:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 22:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 22:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:54:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:54:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 22:54:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 22:54:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 22:54:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 22:54:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 22:54:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 22:54:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 22:54:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 22:54:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 22:54:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 22:54:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:54:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:54:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:54:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:54:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:54:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 22:54:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 22:54:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:54:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:54:23,982 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:54:23,983 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 22:54:23,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:23 BoogieIcfgContainer [2018-11-22 22:54:23,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:54:23,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:54:23,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:54:23,986 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:54:23,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:54:23" (1/3) ... [2018-11-22 22:54:23,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b84e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:23, skipping insertion in model container [2018-11-22 22:54:23,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:23" (2/3) ... [2018-11-22 22:54:23,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b84e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:23, skipping insertion in model container [2018-11-22 22:54:23,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:23" (3/3) ... [2018-11-22 22:54:23,988 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2018-11-22 22:54:23,994 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:54:24,000 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:54:24,010 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:54:24,032 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:54:24,032 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:54:24,032 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:54:24,032 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:54:24,032 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:54:24,033 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:54:24,033 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:54:24,033 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:54:24,033 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:54:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-22 22:54:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 22:54:24,054 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:24,055 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] [2018-11-22 22:54:24,057 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:24,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:24,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1486633802, now seen corresponding path program 1 times [2018-11-22 22:54:24,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:24,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:24,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:24,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:24,231 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 22:54:24,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:54:24,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:54:24,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:54:24,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:54:24,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:54:24,245 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-22 22:54:24,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:24,274 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2018-11-22 22:54:24,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:54:24,275 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 22:54:24,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:24,283 INFO L225 Difference]: With dead ends: 300 [2018-11-22 22:54:24,284 INFO L226 Difference]: Without dead ends: 150 [2018-11-22 22:54:24,287 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 22:54:24,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-22 22:54:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-22 22:54:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-22 22:54:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-11-22 22:54:24,326 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2018-11-22 22:54:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:24,327 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-11-22 22:54:24,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:54:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-11-22 22:54:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 22:54:24,330 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:24,330 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] [2018-11-22 22:54:24,330 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:24,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:24,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1530271189, now seen corresponding path program 1 times [2018-11-22 22:54:24,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:24,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:24,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:24,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:24,407 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 22:54:24,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:54:24,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:54:24,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:54:24,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:54:24,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:54:24,410 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2018-11-22 22:54:24,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:24,432 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2018-11-22 22:54:24,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:54:24,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 22:54:24,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:24,436 INFO L225 Difference]: With dead ends: 245 [2018-11-22 22:54:24,436 INFO L226 Difference]: Without dead ends: 141 [2018-11-22 22:54:24,437 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 22:54:24,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-22 22:54:24,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-22 22:54:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-22 22:54:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2018-11-22 22:54:24,451 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2018-11-22 22:54:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:24,451 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2018-11-22 22:54:24,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:54:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2018-11-22 22:54:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 22:54:24,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:24,453 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 22:54:24,453 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:24,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:24,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1827401059, now seen corresponding path program 1 times [2018-11-22 22:54:24,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:24,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:24,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:24,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:24,567 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 22:54:24,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:54:24,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:54:24,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:54:24,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:54:24,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:54:24,568 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2018-11-22 22:54:24,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:24,836 INFO L93 Difference]: Finished difference Result 258 states and 305 transitions. [2018-11-22 22:54:24,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:54:24,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-22 22:54:24,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:24,838 INFO L225 Difference]: With dead ends: 258 [2018-11-22 22:54:24,838 INFO L226 Difference]: Without dead ends: 141 [2018-11-22 22:54:24,838 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 22:54:24,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-22 22:54:24,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-22 22:54:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-22 22:54:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-22 22:54:24,849 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 52 [2018-11-22 22:54:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:24,849 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-22 22:54:24,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:54:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-22 22:54:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 22:54:24,851 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:24,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:54:24,851 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:24,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:24,851 INFO L82 PathProgramCache]: Analyzing trace with hash -892679531, now seen corresponding path program 1 times [2018-11-22 22:54:24,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:24,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:24,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:24,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:24,963 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 22:54:24,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:54:24,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:54:24,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:54:24,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:54:24,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:54:24,964 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 5 states. [2018-11-22 22:54:25,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:25,383 INFO L93 Difference]: Finished difference Result 365 states and 439 transitions. [2018-11-22 22:54:25,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:54:25,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-22 22:54:25,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:25,385 INFO L225 Difference]: With dead ends: 365 [2018-11-22 22:54:25,386 INFO L226 Difference]: Without dead ends: 248 [2018-11-22 22:54:25,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 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 22:54:25,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-11-22 22:54:25,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 229. [2018-11-22 22:54:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-22 22:54:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 258 transitions. [2018-11-22 22:54:25,417 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 258 transitions. Word has length 70 [2018-11-22 22:54:25,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:25,417 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 258 transitions. [2018-11-22 22:54:25,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:54:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 258 transitions. [2018-11-22 22:54:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-22 22:54:25,419 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:25,419 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:54:25,419 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:25,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:25,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1850632469, now seen corresponding path program 1 times [2018-11-22 22:54:25,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:25,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:25,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:25,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:25,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:25,517 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 22:54:25,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:54:25,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-22 22:54:25,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:54:25,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:54:25,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:54:25,518 INFO L87 Difference]: Start difference. First operand 229 states and 258 transitions. Second operand 10 states. [2018-11-22 22:54:25,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:25,892 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2018-11-22 22:54:25,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 22:54:25,892 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-22 22:54:25,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:25,895 INFO L225 Difference]: With dead ends: 735 [2018-11-22 22:54:25,895 INFO L226 Difference]: Without dead ends: 530 [2018-11-22 22:54:25,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-22 22:54:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-11-22 22:54:25,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 520. [2018-11-22 22:54:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-11-22 22:54:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 606 transitions. [2018-11-22 22:54:25,932 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 606 transitions. Word has length 84 [2018-11-22 22:54:25,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:25,932 INFO L480 AbstractCegarLoop]: Abstraction has 520 states and 606 transitions. [2018-11-22 22:54:25,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:54:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 606 transitions. [2018-11-22 22:54:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-22 22:54:25,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:25,937 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] [2018-11-22 22:54:25,937 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:25,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:25,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2104656055, now seen corresponding path program 1 times [2018-11-22 22:54:25,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:25,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:25,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:25,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:25,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:26,021 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 22:54:26,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:54:26,022 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/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 22:54:26,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:26,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:54:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:54:26,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:54:26,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-22 22:54:26,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-22 22:54:26,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-22 22:54:26,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-22 22:54:26,350 INFO L87 Difference]: Start difference. First operand 520 states and 606 transitions. Second operand 12 states. [2018-11-22 22:54:27,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:27,537 INFO L93 Difference]: Finished difference Result 1492 states and 1948 transitions. [2018-11-22 22:54:27,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-22 22:54:27,538 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 137 [2018-11-22 22:54:27,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:27,542 INFO L225 Difference]: With dead ends: 1492 [2018-11-22 22:54:27,542 INFO L226 Difference]: Without dead ends: 996 [2018-11-22 22:54:27,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-22 22:54:27,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-11-22 22:54:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 912. [2018-11-22 22:54:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2018-11-22 22:54:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1107 transitions. [2018-11-22 22:54:27,606 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1107 transitions. Word has length 137 [2018-11-22 22:54:27,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:27,607 INFO L480 AbstractCegarLoop]: Abstraction has 912 states and 1107 transitions. [2018-11-22 22:54:27,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-22 22:54:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1107 transitions. [2018-11-22 22:54:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-22 22:54:27,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:27,610 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:27,610 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:27,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:27,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1710114353, now seen corresponding path program 1 times [2018-11-22 22:54:27,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:27,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:27,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:27,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:27,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:27,711 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 22:54:27,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:54:27,711 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:54:27,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:27,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:54:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 22:54:27,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:54:27,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-22 22:54:27,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-22 22:54:27,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-22 22:54:27,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:54:27,861 INFO L87 Difference]: Start difference. First operand 912 states and 1107 transitions. Second operand 11 states. [2018-11-22 22:54:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:27,924 INFO L93 Difference]: Finished difference Result 1661 states and 2060 transitions. [2018-11-22 22:54:27,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:54:27,925 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2018-11-22 22:54:27,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:27,929 INFO L225 Difference]: With dead ends: 1661 [2018-11-22 22:54:27,929 INFO L226 Difference]: Without dead ends: 773 [2018-11-22 22:54:27,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:54:27,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-11-22 22:54:27,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2018-11-22 22:54:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2018-11-22 22:54:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 923 transitions. [2018-11-22 22:54:27,975 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 923 transitions. Word has length 133 [2018-11-22 22:54:27,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:27,975 INFO L480 AbstractCegarLoop]: Abstraction has 773 states and 923 transitions. [2018-11-22 22:54:27,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-22 22:54:27,975 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 923 transitions. [2018-11-22 22:54:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-22 22:54:27,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:27,977 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] [2018-11-22 22:54:27,977 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:27,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:27,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2124895532, now seen corresponding path program 1 times [2018-11-22 22:54:27,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:27,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:27,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:27,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:27,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 22:54:28,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:54:28,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:54:28,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:54:28,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:54:28,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:54:28,074 INFO L87 Difference]: Start difference. First operand 773 states and 923 transitions. Second operand 9 states. [2018-11-22 22:54:28,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:28,585 INFO L93 Difference]: Finished difference Result 2078 states and 2539 transitions. [2018-11-22 22:54:28,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-22 22:54:28,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2018-11-22 22:54:28,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:28,592 INFO L225 Difference]: With dead ends: 2078 [2018-11-22 22:54:28,593 INFO L226 Difference]: Without dead ends: 1329 [2018-11-22 22:54:28,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-22 22:54:28,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2018-11-22 22:54:28,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1326. [2018-11-22 22:54:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2018-11-22 22:54:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1568 transitions. [2018-11-22 22:54:28,663 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1568 transitions. Word has length 137 [2018-11-22 22:54:28,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:28,663 INFO L480 AbstractCegarLoop]: Abstraction has 1326 states and 1568 transitions. [2018-11-22 22:54:28,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:54:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1568 transitions. [2018-11-22 22:54:28,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-22 22:54:28,665 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:28,665 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:54:28,666 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:28,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:28,666 INFO L82 PathProgramCache]: Analyzing trace with hash 497577496, now seen corresponding path program 1 times [2018-11-22 22:54:28,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:28,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:28,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:28,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:28,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 22:54:28,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:54:28,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:54:28,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:54:28,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:54:28,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:54:28,766 INFO L87 Difference]: Start difference. First operand 1326 states and 1568 transitions. Second operand 6 states. [2018-11-22 22:54:28,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:28,937 INFO L93 Difference]: Finished difference Result 1351 states and 1597 transitions. [2018-11-22 22:54:28,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:54:28,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-22 22:54:28,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:28,943 INFO L225 Difference]: With dead ends: 1351 [2018-11-22 22:54:28,943 INFO L226 Difference]: Without dead ends: 1348 [2018-11-22 22:54:28,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 22:54:28,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2018-11-22 22:54:29,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1326. [2018-11-22 22:54:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2018-11-22 22:54:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1560 transitions. [2018-11-22 22:54:29,013 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1560 transitions. Word has length 141 [2018-11-22 22:54:29,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:29,013 INFO L480 AbstractCegarLoop]: Abstraction has 1326 states and 1560 transitions. [2018-11-22 22:54:29,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:54:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1560 transitions. [2018-11-22 22:54:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-22 22:54:29,015 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:29,016 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:29,016 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:29,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:29,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1399067579, now seen corresponding path program 1 times [2018-11-22 22:54:29,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:29,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:29,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:29,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:29,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 22:54:29,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:54:29,129 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:54:29,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:29,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:54:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:54:29,336 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-22 22:54:29,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-22 22:54:29,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-22 22:54:29,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-22 22:54:29,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-22 22:54:29,337 INFO L87 Difference]: Start difference. First operand 1326 states and 1560 transitions. Second operand 14 states. [2018-11-22 22:54:31,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:31,012 INFO L93 Difference]: Finished difference Result 2921 states and 3639 transitions. [2018-11-22 22:54:31,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-22 22:54:31,012 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2018-11-22 22:54:31,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:31,017 INFO L225 Difference]: With dead ends: 2921 [2018-11-22 22:54:31,018 INFO L226 Difference]: Without dead ends: 1755 [2018-11-22 22:54:31,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-22 22:54:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2018-11-22 22:54:31,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1480. [2018-11-22 22:54:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1480 states. [2018-11-22 22:54:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 1715 transitions. [2018-11-22 22:54:31,074 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 1715 transitions. Word has length 159 [2018-11-22 22:54:31,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:31,074 INFO L480 AbstractCegarLoop]: Abstraction has 1480 states and 1715 transitions. [2018-11-22 22:54:31,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-22 22:54:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1715 transitions. [2018-11-22 22:54:31,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-22 22:54:31,077 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:54:31,077 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:54:31,078 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:54:31,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:54:31,078 INFO L82 PathProgramCache]: Analyzing trace with hash -48945056, now seen corresponding path program 1 times [2018-11-22 22:54:31,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:54:31,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:54:31,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:31,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:31,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:54:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-22 22:54:31,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:54:31,184 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:54:31,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:54:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:54:31,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:54:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-22 22:54:31,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:54:31,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-22 22:54:31,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-22 22:54:31,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-22 22:54:31,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:54:31,342 INFO L87 Difference]: Start difference. First operand 1480 states and 1715 transitions. Second operand 13 states. [2018-11-22 22:54:31,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:54:31,394 INFO L93 Difference]: Finished difference Result 2016 states and 2339 transitions. [2018-11-22 22:54:31,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:54:31,395 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2018-11-22 22:54:31,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:54:31,396 INFO L225 Difference]: With dead ends: 2016 [2018-11-22 22:54:31,396 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:54:31,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-22 22:54:31,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:54:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:54:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:54:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:54:31,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2018-11-22 22:54:31,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:54:31,399 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:54:31,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-22 22:54:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:54:31,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:54:31,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:54:31,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:31,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:54:32,709 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2018-11-22 22:54:33,743 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 976 982) the Hoare annotation is: true [2018-11-22 22:54:33,743 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 976 982) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 983 991) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 983 991) the Hoare annotation is: true [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 983 991) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 355 379) the Hoare annotation is: true [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 355 379) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L444 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 376) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point L363-1(lines 355 379) no Hoare annotation was computed. [2018-11-22 22:54:33,744 INFO L451 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: true [2018-11-22 22:54:33,744 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-22 22:54:33,745 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 456 478) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,745 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 456 478) no Hoare annotation was computed. [2018-11-22 22:54:33,745 INFO L444 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,745 INFO L444 ceAbstractionStarter]: At program point L468-1(line 468) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,745 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 473) no Hoare annotation was computed. [2018-11-22 22:54:33,745 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 466 473) no Hoare annotation was computed. [2018-11-22 22:54:33,745 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-22 22:54:33,745 INFO L444 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,745 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,745 INFO L444 ceAbstractionStarter]: At program point L462-1(line 462) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,745 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 456 478) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L451 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 969 975) no Hoare annotation was computed. [2018-11-22 22:54:33,746 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 969 975) the Hoare annotation is: true [2018-11-22 22:54:33,746 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 443 452) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,746 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 443 452) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 443 452) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2018-11-22 22:54:33,747 INFO L451 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 925 938) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 925 938) the Hoare annotation is: true [2018-11-22 22:54:33,747 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 925 938) no Hoare annotation was computed. [2018-11-22 22:54:33,747 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-22 22:54:33,748 INFO L444 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-22 22:54:33,748 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2018-11-22 22:54:33,748 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-22 22:54:33,748 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2018-11-22 22:54:33,748 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-22 22:54:33,748 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2018-11-22 22:54:33,748 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-22 22:54:33,748 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-22 22:54:33,748 INFO L448 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2018-11-22 22:54:33,748 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2018-11-22 22:54:33,748 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2018-11-22 22:54:33,748 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 22:54:33,748 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-11-22 22:54:33,749 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:54:33,749 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-22 22:54:33,749 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:54:33,749 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-22 22:54:33,749 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-22 22:54:33,749 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:54:33,749 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-22 22:54:33,749 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-22 22:54:33,749 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:54:33,749 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 22:54:33,749 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) 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 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 939 947) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 939 947) the Hoare annotation is: true [2018-11-22 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 939 947) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:54:33,750 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 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2018-11-22 22:54:33,750 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 22:54:33,751 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 916 924) the Hoare annotation is: true [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L451 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 872 883) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| 0)) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (< ~waterLevel~0 2) .cse7)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (not .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse5 .cse0 .cse6 .cse7)))) [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point L876-1(lines 872 883) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 872 883) no Hoare annotation was computed. [2018-11-22 22:54:33,751 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 884 892) the Hoare annotation is: true [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 382 411) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 382 411) the Hoare annotation is: true [2018-11-22 22:54:33,752 INFO L451 ceAbstractionStarter]: At program point L407(lines 382 411) the Hoare annotation is: true [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L451 ceAbstractionStarter]: At program point L396-1(lines 396 400) the Hoare annotation is: true [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L451 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: true [2018-11-22 22:54:33,752 INFO L451 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2018-11-22 22:54:33,752 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-22 22:54:33,752 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2018-11-22 22:54:33,753 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-22 22:54:33,753 INFO L444 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (<= 2 |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0) (or (and (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (= ~waterLevel~0 |old(~waterLevel~0)|) (or (< |old(~waterLevel~0)| 2) .cse0)))) [2018-11-22 22:54:33,753 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2018-11-22 22:54:33,753 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-22 22:54:33,753 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 848 859) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-22 22:54:33,753 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 848 859) no Hoare annotation was computed. [2018-11-22 22:54:33,753 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 848 859) no Hoare annotation was computed. [2018-11-22 22:54:33,753 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 436 442) no Hoare annotation was computed. [2018-11-22 22:54:33,753 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 436 442) the Hoare annotation is: true [2018-11-22 22:54:33,753 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:54:33,753 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-22 22:54:33,753 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:54:33,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:54:33,754 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2018-11-22 22:54:33,754 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-22 22:54:33,754 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2018-11-22 22:54:33,754 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-22 22:54:33,754 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2018-11-22 22:54:33,754 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-22 22:54:33,754 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-22 22:54:33,754 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2018-11-22 22:54:33,754 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-22 22:54:33,754 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-22 22:54:33,754 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 344 351) no Hoare annotation was computed. [2018-11-22 22:54:33,754 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1)) (or .cse0 (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse1))) [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 344 351) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point L864-1(lines 860 871) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 860 871) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 860 871) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2018-11-22 22:54:33,755 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 22:54:33,756 INFO L448 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2018-11-22 22:54:33,756 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2018-11-22 22:54:33,756 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 22:54:33,756 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 22:54:33,756 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2018-11-22 22:54:33,756 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-22 22:54:33,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:54:33 BoogieIcfgContainer [2018-11-22 22:54:33,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:54:33,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:54:33,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:54:33,767 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:54:33,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:23" (3/4) ... [2018-11-22 22:54:33,770 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 22:54:33,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 22:54:33,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 22:54:33,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:54:33,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 22:54:33,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:54:33,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 22:54:33,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:54:33,784 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-22 22:54:33,785 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:54:33,785 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:54:33,785 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:54:33,785 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:54:33,786 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:54:33,786 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:54:33,807 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 22:54:33,807 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 22:54:33,842 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2eefbad-795d-42ef-b5bb-bc73ffed32fa/bin-2019/uautomizer/witness.graphml [2018-11-22 22:54:33,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:54:33,842 INFO L168 Benchmark]: Toolchain (without parser) took 10749.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 391.6 MB). Free memory was 953.9 MB in the beginning and 1.3 GB in the end (delta: -371.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:54:33,843 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:54:33,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:54:33,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.16 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 22:54:33,843 INFO L168 Benchmark]: Boogie Preprocessor took 26.70 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 22:54:33,843 INFO L168 Benchmark]: RCFGBuilder took 480.19 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: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:54:33,844 INFO L168 Benchmark]: TraceAbstraction took 9782.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -244.4 MB). Peak memory consumption was 397.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:54:33,844 INFO L168 Benchmark]: Witness Printer took 75.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:54:33,845 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.16 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 26.70 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 480.19 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: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9782.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -244.4 MB). Peak memory consumption was 397.1 MB. Max. memory is 11.5 GB. * Witness Printer took 75.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 9.7s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2169 SDtfs, 2424 SDslu, 7262 SDs, 0 SdLazy, 6246 SolverSat, 1205 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 833 GetRequests, 697 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1480occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 413 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2657 PreInvPairs, 2755 NumberOfFragments, 1333 HoareAnnotationTreeSize, 2657 FomulaSimplifications, 7345 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 68 FomulaSimplificationsInter, 12926 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1893 NumberOfCodeBlocks, 1893 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1878 ConstructedInterpolants, 0 QuantifiedInterpolants, 400775 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3602 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 454/488 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...