./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42_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_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/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 532810884b5d2bf06b0b91e69513de04a1b641b8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:22:59,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:22:59,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:22:59,580 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:22:59,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:22:59,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:22:59,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:22:59,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:22:59,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:22:59,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:22:59,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:22:59,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:22:59,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:22:59,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:22:59,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:22:59,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:22:59,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:22:59,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:22:59,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:22:59,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:22:59,594 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:22:59,595 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:22:59,597 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:22:59,597 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:22:59,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:22:59,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:22:59,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:22:59,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:22:59,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:22:59,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:22:59,601 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:22:59,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:22:59,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:22:59,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:22:59,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:22:59,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:22:59,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:22:59,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:22:59,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:22:59,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:22:59,615 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:22:59,616 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:22:59,616 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:22:59,616 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:22:59,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:22:59,616 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:22:59,617 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:22:59,617 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:22:59,617 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:22:59,617 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:22:59,617 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:22:59,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:22:59,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:22:59,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:22:59,618 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:22:59,618 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:22:59,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:22:59,618 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:22:59,618 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:22:59,618 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:22:59,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:22:59,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:22:59,619 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:22:59,619 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:22:59,619 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:22:59,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:22:59,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:22:59,620 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_3660b93e-9a0c-4da7-b9da-a0385d1093b4/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 -> 532810884b5d2bf06b0b91e69513de04a1b641b8 [2018-11-23 01:22:59,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:22:59,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:22:59,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:22:59,658 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:22:59,659 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:22:59,659 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-11-23 01:22:59,696 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/data/264000373/c173155eecd64d4ea1f0096f2672f4c4/FLAG2f4203894 [2018-11-23 01:23:00,038 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:23:00,038 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-11-23 01:23:00,047 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/data/264000373/c173155eecd64d4ea1f0096f2672f4c4/FLAG2f4203894 [2018-11-23 01:23:00,057 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/data/264000373/c173155eecd64d4ea1f0096f2672f4c4 [2018-11-23 01:23:00,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:23:00,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:23:00,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:23:00,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:23:00,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:23:00,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00, skipping insertion in model container [2018-11-23 01:23:00,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:23:00,101 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:23:00,294 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:23:00,302 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:23:00,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:23:00,420 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:23:00,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00 WrapperNode [2018-11-23 01:23:00,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:23:00,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:23:00,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:23:00,421 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:23:00,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:23:00,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:23:00,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:23:00,441 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:23:00,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... [2018-11-23 01:23:00,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:23:00,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:23:00,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:23:00,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:23:00,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/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 [2018-11-23 01:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:23:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:23:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:23:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:23:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 01:23:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 01:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:23:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:23:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 01:23:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 01:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 01:23:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 01:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 01:23:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 01:23:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:23:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:23:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:23:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:23:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:23:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:23:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:23:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:23:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 01:23:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 01:23:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:23:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:23:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:23:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:23:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:23:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:23:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:23:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:23:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:23:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:23:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:23:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:23:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:23:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:23:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:23:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:23:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 01:23:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 01:23:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 01:23:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 01:23:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:23:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:23:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:23:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:23:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:23:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:23:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:23:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:23:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:23:00,889 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:23:00,889 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:23:00,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:00 BoogieIcfgContainer [2018-11-23 01:23:00,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:23:00,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:23:00,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:23:00,893 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:23:00,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:23:00" (1/3) ... [2018-11-23 01:23:00,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782ac39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:23:00, skipping insertion in model container [2018-11-23 01:23:00,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:00" (2/3) ... [2018-11-23 01:23:00,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782ac39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:23:00, skipping insertion in model container [2018-11-23 01:23:00,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:00" (3/3) ... [2018-11-23 01:23:00,895 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-11-23 01:23:00,903 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:23:00,909 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:23:00,918 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:23:00,936 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:23:00,936 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:23:00,936 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:23:00,936 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:23:00,937 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:23:00,937 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:23:00,937 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:23:00,937 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:23:00,937 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:23:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-23 01:23:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:23:00,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:00,961 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:00,963 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:00,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:00,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1707566530, now seen corresponding path program 1 times [2018-11-23 01:23:00,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:00,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:00,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:00,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:00,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:01,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:01,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:23:01,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:23:01,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:23:01,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:23:01,164 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-23 01:23:01,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:01,196 INFO L93 Difference]: Finished difference Result 264 states and 323 transitions. [2018-11-23 01:23:01,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:23:01,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 01:23:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:01,206 INFO L225 Difference]: With dead ends: 264 [2018-11-23 01:23:01,206 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 01:23:01,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:23:01,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 01:23:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 01:23:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 01:23:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2018-11-23 01:23:01,246 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 59 [2018-11-23 01:23:01,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:01,247 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2018-11-23 01:23:01,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:23:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2018-11-23 01:23:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:23:01,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:01,249 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:01,250 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:01,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:01,250 INFO L82 PathProgramCache]: Analyzing trace with hash -676944800, now seen corresponding path program 1 times [2018-11-23 01:23:01,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:01,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:01,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:01,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:01,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:01,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:01,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:23:01,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:23:01,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:23:01,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:23:01,342 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 3 states. [2018-11-23 01:23:01,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:01,364 INFO L93 Difference]: Finished difference Result 209 states and 241 transitions. [2018-11-23 01:23:01,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:23:01,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 01:23:01,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:01,365 INFO L225 Difference]: With dead ends: 209 [2018-11-23 01:23:01,366 INFO L226 Difference]: Without dead ends: 125 [2018-11-23 01:23:01,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:23:01,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-23 01:23:01,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-23 01:23:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 01:23:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2018-11-23 01:23:01,378 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 60 [2018-11-23 01:23:01,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:01,378 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2018-11-23 01:23:01,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:23:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2018-11-23 01:23:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:23:01,380 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:01,380 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:01,380 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:01,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:01,381 INFO L82 PathProgramCache]: Analyzing trace with hash 297420595, now seen corresponding path program 1 times [2018-11-23 01:23:01,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:01,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:01,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:01,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:01,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:01,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:01,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:23:01,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:23:01,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:23:01,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:23:01,503 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 7 states. [2018-11-23 01:23:01,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:01,726 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2018-11-23 01:23:01,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:23:01,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 01:23:01,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:01,727 INFO L225 Difference]: With dead ends: 222 [2018-11-23 01:23:01,727 INFO L226 Difference]: Without dead ends: 125 [2018-11-23 01:23:01,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:23:01,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-23 01:23:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-23 01:23:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 01:23:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2018-11-23 01:23:01,738 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 65 [2018-11-23 01:23:01,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:01,740 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2018-11-23 01:23:01,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:23:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2018-11-23 01:23:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 01:23:01,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:01,742 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:01,742 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:01,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:01,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1154077384, now seen corresponding path program 1 times [2018-11-23 01:23:01,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:01,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:01,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:01,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:01,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:01,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:01,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:23:01,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:23:01,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:23:01,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:23:01,837 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 5 states. [2018-11-23 01:23:02,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:02,130 INFO L93 Difference]: Finished difference Result 319 states and 381 transitions. [2018-11-23 01:23:02,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:23:02,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2018-11-23 01:23:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:02,132 INFO L225 Difference]: With dead ends: 319 [2018-11-23 01:23:02,132 INFO L226 Difference]: Without dead ends: 222 [2018-11-23 01:23:02,133 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:23:02,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-23 01:23:02,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2018-11-23 01:23:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-23 01:23:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions. [2018-11-23 01:23:02,151 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 73 [2018-11-23 01:23:02,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:02,152 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions. [2018-11-23 01:23:02,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:23:02,152 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions. [2018-11-23 01:23:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 01:23:02,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:02,153 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:02,154 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:02,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:02,154 INFO L82 PathProgramCache]: Analyzing trace with hash -220189202, now seen corresponding path program 1 times [2018-11-23 01:23:02,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:02,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:02,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:02,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:23:02,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:02,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:23:02,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:23:02,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:23:02,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:23:02,239 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand 7 states. [2018-11-23 01:23:02,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:02,678 INFO L93 Difference]: Finished difference Result 396 states and 468 transitions. [2018-11-23 01:23:02,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:23:02,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-23 01:23:02,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:02,681 INFO L225 Difference]: With dead ends: 396 [2018-11-23 01:23:02,681 INFO L226 Difference]: Without dead ends: 221 [2018-11-23 01:23:02,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:23:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-23 01:23:02,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 202. [2018-11-23 01:23:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-23 01:23:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2018-11-23 01:23:02,696 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 87 [2018-11-23 01:23:02,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:02,697 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2018-11-23 01:23:02,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:23:02,697 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2018-11-23 01:23:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:23:02,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:02,698 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:02,698 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:02,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:02,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1262555171, now seen corresponding path program 1 times [2018-11-23 01:23:02,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:02,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:02,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:02,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:02,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:02,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:23:02,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:23:02,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:23:02,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:23:02,758 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand 6 states. [2018-11-23 01:23:02,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:02,795 INFO L93 Difference]: Finished difference Result 383 states and 446 transitions. [2018-11-23 01:23:02,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:23:02,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 01:23:02,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:02,797 INFO L225 Difference]: With dead ends: 383 [2018-11-23 01:23:02,798 INFO L226 Difference]: Without dead ends: 209 [2018-11-23 01:23:02,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:23:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-11-23 01:23:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2018-11-23 01:23:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-23 01:23:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 235 transitions. [2018-11-23 01:23:02,812 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 235 transitions. Word has length 103 [2018-11-23 01:23:02,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:02,812 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 235 transitions. [2018-11-23 01:23:02,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:23:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 235 transitions. [2018-11-23 01:23:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:23:02,813 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:02,813 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:02,813 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:02,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:02,814 INFO L82 PathProgramCache]: Analyzing trace with hash 983024283, now seen corresponding path program 1 times [2018-11-23 01:23:02,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:02,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:02,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:02,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:02,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:02,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 01:23:02,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:23:02,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:23:02,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:23:02,914 INFO L87 Difference]: Start difference. First operand 207 states and 235 transitions. Second operand 8 states. [2018-11-23 01:23:02,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:02,948 INFO L93 Difference]: Finished difference Result 393 states and 457 transitions. [2018-11-23 01:23:02,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:23:02,949 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 01:23:02,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:02,951 INFO L225 Difference]: With dead ends: 393 [2018-11-23 01:23:02,951 INFO L226 Difference]: Without dead ends: 214 [2018-11-23 01:23:02,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:23:02,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-23 01:23:02,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 211. [2018-11-23 01:23:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-23 01:23:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 239 transitions. [2018-11-23 01:23:02,962 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 239 transitions. Word has length 103 [2018-11-23 01:23:02,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:02,963 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 239 transitions. [2018-11-23 01:23:02,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:23:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 239 transitions. [2018-11-23 01:23:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:23:02,964 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:02,964 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:02,964 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:02,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:02,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1952605306, now seen corresponding path program 1 times [2018-11-23 01:23:02,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:02,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:02,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:02,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:03,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:03,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:23:03,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:23:03,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:23:03,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:23:03,022 INFO L87 Difference]: Start difference. First operand 211 states and 239 transitions. Second operand 4 states. [2018-11-23 01:23:03,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:03,164 INFO L93 Difference]: Finished difference Result 596 states and 707 transitions. [2018-11-23 01:23:03,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:23:03,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 01:23:03,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:03,166 INFO L225 Difference]: With dead ends: 596 [2018-11-23 01:23:03,166 INFO L226 Difference]: Without dead ends: 413 [2018-11-23 01:23:03,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:23:03,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-11-23 01:23:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 404. [2018-11-23 01:23:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-11-23 01:23:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 469 transitions. [2018-11-23 01:23:03,188 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 469 transitions. Word has length 103 [2018-11-23 01:23:03,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:03,189 INFO L480 AbstractCegarLoop]: Abstraction has 404 states and 469 transitions. [2018-11-23 01:23:03,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:23:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 469 transitions. [2018-11-23 01:23:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 01:23:03,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:03,190 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:23:03,190 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:03,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:03,190 INFO L82 PathProgramCache]: Analyzing trace with hash 667342976, now seen corresponding path program 1 times [2018-11-23 01:23:03,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:03,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:03,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:03,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:03,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:23:03,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:23:03,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 01:23:03,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:23:03,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:23:03,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:23:03,305 INFO L87 Difference]: Start difference. First operand 404 states and 469 transitions. Second operand 9 states. [2018-11-23 01:23:03,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:03,812 INFO L93 Difference]: Finished difference Result 1073 states and 1297 transitions. [2018-11-23 01:23:03,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 01:23:03,813 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2018-11-23 01:23:03,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:03,815 INFO L225 Difference]: With dead ends: 1073 [2018-11-23 01:23:03,815 INFO L226 Difference]: Without dead ends: 764 [2018-11-23 01:23:03,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:23:03,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2018-11-23 01:23:03,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 686. [2018-11-23 01:23:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-11-23 01:23:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 787 transitions. [2018-11-23 01:23:03,854 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 787 transitions. Word has length 107 [2018-11-23 01:23:03,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:03,855 INFO L480 AbstractCegarLoop]: Abstraction has 686 states and 787 transitions. [2018-11-23 01:23:03,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:23:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 787 transitions. [2018-11-23 01:23:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 01:23:03,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:23:03,858 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 01:23:03,858 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:23:03,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:23:03,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1879522759, now seen corresponding path program 1 times [2018-11-23 01:23:03,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:23:03,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:23:03,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:03,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:03,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:23:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:23:03,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:23:03,953 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/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 [2018-11-23 01:23:03,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:23:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:23:04,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:23:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:23:04,166 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:23:04,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-23 01:23:04,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 01:23:04,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 01:23:04,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-23 01:23:04,168 INFO L87 Difference]: Start difference. First operand 686 states and 787 transitions. Second operand 16 states. [2018-11-23 01:23:04,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:23:04,591 INFO L93 Difference]: Finished difference Result 1082 states and 1261 transitions. [2018-11-23 01:23:04,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 01:23:04,592 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2018-11-23 01:23:04,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:23:04,592 INFO L225 Difference]: With dead ends: 1082 [2018-11-23 01:23:04,592 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:23:04,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-11-23 01:23:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:23:04,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:23:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:23:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:23:04,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2018-11-23 01:23:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:23:04,595 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:23:04,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 01:23:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:23:04,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:23:04,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:23:04,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:23:04,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:23:04,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:23:04,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:23:04,966 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-11-23 01:23:05,875 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-11-23 01:23:06,287 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2018-11-23 01:23:06,287 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2018-11-23 01:23:06,288 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2018-11-23 01:23:06,288 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2018-11-23 01:23:06,288 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2018-11-23 01:23:06,288 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 01:23:06,288 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-23 01:23:06,288 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-23 01:23:06,288 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-23 01:23:06,288 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-23 01:23:06,288 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-23 01:23:06,289 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-23 01:23:06,289 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-23 01:23:06,289 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-11-23 01:23:06,289 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-23 01:23:06,289 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-23 01:23:06,289 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-23 01:23:06,289 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-11-23 01:23:06,289 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-23 01:23:06,289 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-23 01:23:06,289 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-23 01:23:06,290 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-23 01:23:06,290 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-23 01:23:06,290 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 01:23:06,290 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:23:06,290 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2018-11-23 01:23:06,290 INFO L444 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:23:06,290 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2018-11-23 01:23:06,290 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2018-11-23 01:23:06,290 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 01:23:06,290 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 01:23:06,291 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 01:23:06,291 INFO L444 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 01:23:06,291 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2018-11-23 01:23:06,291 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-23 01:23:06,291 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2018-11-23 01:23:06,291 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-23 01:23:06,291 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-23 01:23:06,291 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2018-11-23 01:23:06,291 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 01:23:06,291 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2018-11-23 01:23:06,291 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2018-11-23 01:23:06,292 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:23:06,292 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2018-11-23 01:23:06,292 INFO L451 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2018-11-23 01:23:06,292 INFO L448 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2018-11-23 01:23:06,292 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2018-11-23 01:23:06,302 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2018-11-23 01:23:06,302 INFO L444 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-23 01:23:06,303 INFO L448 ceAbstractionStarter]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2018-11-23 01:23:06,303 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= processEnvironment_~tmp~6 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-23 01:23:06,303 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-23 01:23:06,303 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2018-11-23 01:23:06,303 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 829) no Hoare annotation was computed. [2018-11-23 01:23:06,303 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-23 01:23:06,303 INFO L444 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-23 01:23:06,303 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-23 01:23:06,303 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 834) no Hoare annotation was computed. [2018-11-23 01:23:06,303 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-23 01:23:06,303 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2018-11-23 01:23:06,304 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2018-11-23 01:23:06,304 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2018-11-23 01:23:06,304 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2018-11-23 01:23:06,304 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2018-11-23 01:23:06,304 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:23:06,304 INFO L444 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:23:06,304 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-11-23 01:23:06,304 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-11-23 01:23:06,304 INFO L444 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-23 01:23:06,304 INFO L448 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-11-23 01:23:06,305 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-23 01:23:06,305 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-11-23 01:23:06,305 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-23 01:23:06,305 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-11-23 01:23:06,305 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-11-23 01:23:06,305 INFO L444 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-23 01:23:06,305 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-23 01:23:06,305 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-23 01:23:06,305 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-23 01:23:06,305 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L444 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2018-11-23 01:23:06,306 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 01:23:06,306 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 860) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 941) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L451 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: true [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point L935-1(line 935) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2018-11-23 01:23:06,307 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2018-11-23 01:23:06,307 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2018-11-23 01:23:06,308 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2018-11-23 01:23:06,308 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2018-11-23 01:23:06,308 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2018-11-23 01:23:06,308 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-11-23 01:23:06,308 INFO L444 ceAbstractionStarter]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-11-23 01:23:06,308 INFO L444 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-23 01:23:06,308 INFO L448 ceAbstractionStarter]: For program point L785(lines 781 803) no Hoare annotation was computed. [2018-11-23 01:23:06,308 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse1 .cse8)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or (and .cse5 .cse6) .cse7) (or (or .cse1 .cse8) .cse9 (and .cse10 .cse6)) (or (and .cse10 .cse6 .cse4) .cse9 .cse1 .cse2) (or .cse2 .cse7 .cse4)))) [2018-11-23 01:23:06,308 INFO L448 ceAbstractionStarter]: For program point L783(lines 781 803) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2018-11-23 01:23:06,309 INFO L451 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L451 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L451 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2018-11-23 01:23:06,309 INFO L451 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2018-11-23 01:23:06,309 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2018-11-23 01:23:06,310 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 01:23:06,310 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:23:06,310 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (or .cse2 .cse4) .cse3 .cse1) (or .cse1 (or .cse0 .cse2 .cse4)))) [2018-11-23 01:23:06,310 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2018-11-23 01:23:06,310 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-11-23 01:23:06,311 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2018-11-23 01:23:06,311 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2018-11-23 01:23:06,311 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2018-11-23 01:23:06,311 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2018-11-23 01:23:06,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:23:06 BoogieIcfgContainer [2018-11-23 01:23:06,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:23:06,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:23:06,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:23:06,321 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:23:06,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:00" (3/4) ... [2018-11-23 01:23:06,325 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:23:06,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:23:06,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:23:06,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:23:06,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:23:06,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:23:06,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:23:06,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:23:06,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:23:06,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:23:06,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:23:06,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:23:06,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 01:23:06,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:23:06,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:23:06,337 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 01:23:06,338 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:23:06,338 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:23:06,339 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:23:06,339 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:23:06,339 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:23:06,340 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:23:06,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-11-23 01:23:06,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 01:23:06,392 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3660b93e-9a0c-4da7-b9da-a0385d1093b4/bin-2019/uautomizer/witness.graphml [2018-11-23 01:23:06,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:23:06,393 INFO L168 Benchmark]: Toolchain (without parser) took 6333.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 344.5 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -59.6 MB). Peak memory consumption was 284.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:23:06,393 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:23:06,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:23:06,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:23:06,394 INFO L168 Benchmark]: Boogie Preprocessor took 23.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:23:06,394 INFO L168 Benchmark]: RCFGBuilder took 425.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:23:06,394 INFO L168 Benchmark]: TraceAbstraction took 5430.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.8 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:23:06,394 INFO L168 Benchmark]: Witness Printer took 71.31 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:23:06,396 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.07 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 23.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 425.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5430.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.8 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. * Witness Printer took 71.31 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 716]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 147 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1703 SDtfs, 1319 SDslu, 4760 SDs, 0 SdLazy, 2337 SolverSat, 492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=686occurred in iteration=9, 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 130 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 878 PreInvPairs, 946 NumberOfFragments, 1775 HoareAnnotationTreeSize, 878 FomulaSimplifications, 2429 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5360 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1062 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1051 ConstructedInterpolants, 0 QuantifiedInterpolants, 190285 SizeOfPredicates, 4 NumberOfNonLiveVariables, 901 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 87/105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...