./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_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_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/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 62215579489c65348c20dcb35d4d11bc17ff5b74 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:08:45,372 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:08:45,374 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:08:45,381 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:08:45,381 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:08:45,382 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:08:45,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:08:45,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:08:45,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:08:45,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:08:45,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:08:45,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:08:45,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:08:45,388 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:08:45,388 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:08:45,389 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:08:45,390 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:08:45,391 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:08:45,392 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:08:45,393 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:08:45,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:08:45,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:08:45,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:08:45,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:08:45,396 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:08:45,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:08:45,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:08:45,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:08:45,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:08:45,400 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:08:45,400 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:08:45,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:08:45,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:08:45,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:08:45,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:08:45,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:08:45,402 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:08:45,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:08:45,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:08:45,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:08:45,412 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:08:45,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:08:45,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:08:45,413 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:08:45,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:08:45,413 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:08:45,413 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:08:45,414 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:08:45,415 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:08:45,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:08:45,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:08:45,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:08:45,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:08:45,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:08:45,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:08:45,416 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:08:45,416 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:08:45,416 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:08:45,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:08:45,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:08:45,416 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_bfd9c566-13a7-4b17-a923-b9e3998298f5/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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2018-11-23 13:08:45,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:08:45,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:08:45,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:08:45,451 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:08:45,452 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:08:45,452 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-23 13:08:45,490 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/data/7a53dee1b/9f385165e5034530a372dfd76cf7b646/FLAG4a83075a9 [2018-11-23 13:08:45,956 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:08:45,956 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-23 13:08:45,965 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/data/7a53dee1b/9f385165e5034530a372dfd76cf7b646/FLAG4a83075a9 [2018-11-23 13:08:46,470 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/data/7a53dee1b/9f385165e5034530a372dfd76cf7b646 [2018-11-23 13:08:46,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:08:46,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:08:46,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:08:46,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:08:46,478 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:08:46,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed6b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46, skipping insertion in model container [2018-11-23 13:08:46,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:08:46,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:08:46,722 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:08:46,732 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:08:46,839 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:08:46,857 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:08:46,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46 WrapperNode [2018-11-23 13:08:46,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:08:46,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:08:46,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:08:46,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:08:46,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:08:46,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:08:46,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:08:46,884 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:08:46,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... [2018-11-23 13:08:46,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:08:46,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:08:46,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:08:46,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:08:46,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/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 13:08:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:08:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:08:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 13:08:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 13:08:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:08:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:08:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 13:08:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 13:08:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:08:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:08:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:08:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:08:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:08:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:08:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:08:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:08:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:08:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:08:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:08:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:08:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:08:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 13:08:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 13:08:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:08:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:08:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 13:08:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 13:08:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:08:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:08:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:08:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:08:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:08:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:08:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:08:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:08:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:08:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:08:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:08:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:08:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:08:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:08:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:08:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:08:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:08:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:08:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:08:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:08:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:08:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:08:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:08:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:08:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:08:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:08:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:08:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:08:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:08:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:08:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:08:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:08:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:08:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:08:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:08:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:08:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:08:47,429 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:08:47,429 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:08:47,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:47 BoogieIcfgContainer [2018-11-23 13:08:47,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:08:47,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:08:47,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:08:47,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:08:47,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:08:46" (1/3) ... [2018-11-23 13:08:47,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270fe083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:47, skipping insertion in model container [2018-11-23 13:08:47,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:46" (2/3) ... [2018-11-23 13:08:47,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270fe083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:47, skipping insertion in model container [2018-11-23 13:08:47,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:47" (3/3) ... [2018-11-23 13:08:47,437 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-23 13:08:47,445 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:08:47,450 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:08:47,459 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:08:47,487 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:08:47,487 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:08:47,488 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:08:47,488 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:08:47,488 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:08:47,488 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:08:47,488 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:08:47,488 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:08:47,488 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:08:47,506 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-23 13:08:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 13:08:47,512 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:47,513 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:47,516 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:47,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:47,520 INFO L82 PathProgramCache]: Analyzing trace with hash 414454525, now seen corresponding path program 1 times [2018-11-23 13:08:47,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:47,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:47,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:47,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:47,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:47,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:08:47,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:08:47,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:08:47,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:08:47,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:08:47,736 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-23 13:08:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:47,770 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-11-23 13:08:47,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:08:47,771 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 13:08:47,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:47,778 INFO L225 Difference]: With dead ends: 306 [2018-11-23 13:08:47,778 INFO L226 Difference]: Without dead ends: 153 [2018-11-23 13:08:47,781 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 13:08:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-23 13:08:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-23 13:08:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-23 13:08:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-11-23 13:08:47,818 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 46 [2018-11-23 13:08:47,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:47,818 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-11-23 13:08:47,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:08:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-11-23 13:08:47,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 13:08:47,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:47,821 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:47,822 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:47,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:47,822 INFO L82 PathProgramCache]: Analyzing trace with hash -369712952, now seen corresponding path program 1 times [2018-11-23 13:08:47,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:47,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:47,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:47,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:47,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:47,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:08:47,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:08:47,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:08:47,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:08:47,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:08:47,906 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-11-23 13:08:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:47,923 INFO L93 Difference]: Finished difference Result 255 states and 301 transitions. [2018-11-23 13:08:47,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:08:47,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 13:08:47,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:47,925 INFO L225 Difference]: With dead ends: 255 [2018-11-23 13:08:47,925 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 13:08:47,926 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 13:08:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 13:08:47,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 13:08:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 13:08:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-11-23 13:08:47,937 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 47 [2018-11-23 13:08:47,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:47,938 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-11-23 13:08:47,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:08:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-11-23 13:08:47,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 13:08:47,939 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:47,939 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:47,940 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:47,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:47,940 INFO L82 PathProgramCache]: Analyzing trace with hash 928795825, now seen corresponding path program 1 times [2018-11-23 13:08:47,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:47,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:47,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:47,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:47,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:48,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:08:48,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:08:48,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:08:48,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:08:48,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:08:48,093 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-11-23 13:08:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:48,391 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-11-23 13:08:48,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:08:48,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 13:08:48,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:48,394 INFO L225 Difference]: With dead ends: 264 [2018-11-23 13:08:48,395 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 13:08:48,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:08:48,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 13:08:48,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 13:08:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 13:08:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-23 13:08:48,408 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 51 [2018-11-23 13:08:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:48,408 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-23 13:08:48,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:08:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-23 13:08:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 13:08:48,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:48,410 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:48,411 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:48,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:48,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1654083998, now seen corresponding path program 1 times [2018-11-23 13:08:48,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:48,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:48,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:48,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:48,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:48,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:08:48,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:08:48,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:08:48,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:08:48,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:08:48,510 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-11-23 13:08:48,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:48,896 INFO L93 Difference]: Finished difference Result 376 states and 452 transitions. [2018-11-23 13:08:48,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:08:48,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 13:08:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:48,899 INFO L225 Difference]: With dead ends: 376 [2018-11-23 13:08:48,899 INFO L226 Difference]: Without dead ends: 256 [2018-11-23 13:08:48,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:08:48,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-23 13:08:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2018-11-23 13:08:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-23 13:08:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 268 transitions. [2018-11-23 13:08:48,921 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 268 transitions. Word has length 69 [2018-11-23 13:08:48,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:48,921 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 268 transitions. [2018-11-23 13:08:48,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:08:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 268 transitions. [2018-11-23 13:08:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:08:48,923 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:48,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:48,923 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:48,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:48,924 INFO L82 PathProgramCache]: Analyzing trace with hash -548786926, now seen corresponding path program 1 times [2018-11-23 13:08:48,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:48,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:48,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:48,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:48,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:49,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:08:49,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 13:08:49,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:08:49,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:08:49,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:08:49,022 INFO L87 Difference]: Start difference. First operand 238 states and 268 transitions. Second operand 10 states. [2018-11-23 13:08:49,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:49,344 INFO L93 Difference]: Finished difference Result 771 states and 939 transitions. [2018-11-23 13:08:49,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 13:08:49,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-11-23 13:08:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:49,349 INFO L225 Difference]: With dead ends: 771 [2018-11-23 13:08:49,349 INFO L226 Difference]: Without dead ends: 557 [2018-11-23 13:08:49,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:08:49,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-11-23 13:08:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 547. [2018-11-23 13:08:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-11-23 13:08:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 636 transitions. [2018-11-23 13:08:49,384 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 636 transitions. Word has length 83 [2018-11-23 13:08:49,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:49,384 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 636 transitions. [2018-11-23 13:08:49,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:08:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 636 transitions. [2018-11-23 13:08:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 13:08:49,387 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:49,388 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:49,388 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:49,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:49,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1949097652, now seen corresponding path program 1 times [2018-11-23 13:08:49,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:49,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:49,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:49,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:49,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 13:08:49,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:08:49,486 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/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 13:08:49,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:49,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:08:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:49,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:08:49,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-23 13:08:49,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 13:08:49,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 13:08:49,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:08:49,765 INFO L87 Difference]: Start difference. First operand 547 states and 636 transitions. Second operand 13 states. [2018-11-23 13:08:51,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:51,820 INFO L93 Difference]: Finished difference Result 1431 states and 1844 transitions. [2018-11-23 13:08:51,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-23 13:08:51,821 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 146 [2018-11-23 13:08:51,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:51,826 INFO L225 Difference]: With dead ends: 1431 [2018-11-23 13:08:51,826 INFO L226 Difference]: Without dead ends: 1028 [2018-11-23 13:08:51,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2018-11-23 13:08:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2018-11-23 13:08:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 912. [2018-11-23 13:08:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2018-11-23 13:08:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1103 transitions. [2018-11-23 13:08:51,871 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1103 transitions. Word has length 146 [2018-11-23 13:08:51,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:51,871 INFO L480 AbstractCegarLoop]: Abstraction has 912 states and 1103 transitions. [2018-11-23 13:08:51,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 13:08:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1103 transitions. [2018-11-23 13:08:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 13:08:51,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:51,874 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:51,874 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:51,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:51,875 INFO L82 PathProgramCache]: Analyzing trace with hash -11937338, now seen corresponding path program 1 times [2018-11-23 13:08:51,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:51,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:51,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:51,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:51,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 13:08:51,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:08:51,958 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:08:51,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:52,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:08:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 13:08:52,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:08:52,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 13:08:52,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:08:52,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:08:52,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:08:52,145 INFO L87 Difference]: Start difference. First operand 912 states and 1103 transitions. Second operand 10 states. [2018-11-23 13:08:52,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:52,235 INFO L93 Difference]: Finished difference Result 1852 states and 2347 transitions. [2018-11-23 13:08:52,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:08:52,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 168 [2018-11-23 13:08:52,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:52,239 INFO L225 Difference]: With dead ends: 1852 [2018-11-23 13:08:52,239 INFO L226 Difference]: Without dead ends: 964 [2018-11-23 13:08:52,241 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 13:08:52,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2018-11-23 13:08:52,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 947. [2018-11-23 13:08:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2018-11-23 13:08:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1142 transitions. [2018-11-23 13:08:52,276 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1142 transitions. Word has length 168 [2018-11-23 13:08:52,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:52,277 INFO L480 AbstractCegarLoop]: Abstraction has 947 states and 1142 transitions. [2018-11-23 13:08:52,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:08:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1142 transitions. [2018-11-23 13:08:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 13:08:52,280 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:52,280 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:52,281 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:52,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:52,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1899402822, now seen corresponding path program 1 times [2018-11-23 13:08:52,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:52,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:52,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:52,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:52,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 13:08:52,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:08:52,357 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:08:52,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:52,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:08:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 13:08:52,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:08:52,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-23 13:08:52,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 13:08:52,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 13:08:52,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:08:52,506 INFO L87 Difference]: Start difference. First operand 947 states and 1142 transitions. Second operand 11 states. [2018-11-23 13:08:52,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:52,559 INFO L93 Difference]: Finished difference Result 1688 states and 2084 transitions. [2018-11-23 13:08:52,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:08:52,562 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2018-11-23 13:08:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:52,566 INFO L225 Difference]: With dead ends: 1688 [2018-11-23 13:08:52,566 INFO L226 Difference]: Without dead ends: 765 [2018-11-23 13:08:52,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:08:52,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2018-11-23 13:08:52,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2018-11-23 13:08:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-11-23 13:08:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 912 transitions. [2018-11-23 13:08:52,608 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 912 transitions. Word has length 168 [2018-11-23 13:08:52,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:52,608 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 912 transitions. [2018-11-23 13:08:52,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 13:08:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 912 transitions. [2018-11-23 13:08:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 13:08:52,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:52,611 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:52,611 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:52,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:52,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1916348895, now seen corresponding path program 1 times [2018-11-23 13:08:52,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:52,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:52,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:52,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:52,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:08:52,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:08:52,741 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:08:52,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:52,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:08:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:52,974 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:08:52,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-23 13:08:52,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 13:08:52,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 13:08:52,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-23 13:08:52,976 INFO L87 Difference]: Start difference. First operand 765 states and 912 transitions. Second operand 14 states. [2018-11-23 13:08:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:53,976 INFO L93 Difference]: Finished difference Result 1516 states and 1887 transitions. [2018-11-23 13:08:53,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 13:08:53,977 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 172 [2018-11-23 13:08:53,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:53,980 INFO L225 Difference]: With dead ends: 1516 [2018-11-23 13:08:53,980 INFO L226 Difference]: Without dead ends: 839 [2018-11-23 13:08:53,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-23 13:08:53,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-11-23 13:08:54,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 747. [2018-11-23 13:08:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2018-11-23 13:08:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 890 transitions. [2018-11-23 13:08:54,008 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 890 transitions. Word has length 172 [2018-11-23 13:08:54,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:54,009 INFO L480 AbstractCegarLoop]: Abstraction has 747 states and 890 transitions. [2018-11-23 13:08:54,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 13:08:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 890 transitions. [2018-11-23 13:08:54,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 13:08:54,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:54,012 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:54,012 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:54,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:54,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1548542198, now seen corresponding path program 2 times [2018-11-23 13:08:54,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:54,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:54,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:54,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:54,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-23 13:08:54,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:08:54,108 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:08:54,116 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 13:08:54,208 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 13:08:54,208 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 13:08:54,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:08:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 13:08:54,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:08:54,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-23 13:08:54,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 13:08:54,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 13:08:54,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 13:08:54,331 INFO L87 Difference]: Start difference. First operand 747 states and 890 transitions. Second operand 14 states. [2018-11-23 13:08:54,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:54,940 INFO L93 Difference]: Finished difference Result 1190 states and 1430 transitions. [2018-11-23 13:08:54,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 13:08:54,941 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2018-11-23 13:08:54,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:54,942 INFO L225 Difference]: With dead ends: 1190 [2018-11-23 13:08:54,942 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:08:54,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-11-23 13:08:54,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:08:54,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:08:54,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:08:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:08:54,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2018-11-23 13:08:54,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:54,945 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:08:54,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 13:08:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:08:54,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:08:54,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:08:55,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:08:55,929 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 16 [2018-11-23 13:08:56,968 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-23 13:08:56,968 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-23 13:08:56,968 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-23 13:08:56,968 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-23 13:08:56,968 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-23 13:08:56,968 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 510 534) the Hoare annotation is: true [2018-11-23 13:08:56,968 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 510 534) no Hoare annotation was computed. [2018-11-23 13:08:56,968 INFO L444 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 528) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L444 ceAbstractionStarter]: At program point L520(line 520) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L520-1(line 520) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 531) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 510 534) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 974 996) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,969 INFO L444 ceAbstractionStarter]: At program point L986(line 986) the Hoare annotation is: (or (and (= main_~tmp~11 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,969 INFO L444 ceAbstractionStarter]: At program point L986-1(line 986) the Hoare annotation is: (or (and (= main_~tmp~11 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 974 996) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L984(lines 984 991) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L984-1(lines 984 991) no Hoare annotation was computed. [2018-11-23 13:08:56,969 INFO L448 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point L980-1(line 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 974 996) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 159 183) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 159 183) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 159 183) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 175) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 180) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 254 262) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 254 262) the Hoare annotation is: true [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 254 262) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 318 336) the Hoare annotation is: true [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2018-11-23 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 318 336) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 318 336) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-23 13:08:56,971 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 964 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 964 973) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 964 973) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 243 253) the Hoare annotation is: true [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 243 253) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L451 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: true [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 243 253) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 235 242) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 235 242) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 235 242) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 486 499) no Hoare annotation was computed. [2018-11-23 13:08:56,971 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 486 499) the Hoare annotation is: true [2018-11-23 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 486 499) no Hoare annotation was computed. [2018-11-23 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 201) no Hoare annotation was computed. [2018-11-23 13:08:56,972 INFO L444 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2018-11-23 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 206) no Hoare annotation was computed. [2018-11-23 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 209) no Hoare annotation was computed. [2018-11-23 13:08:56,972 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 185 209) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,972 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse0))) [2018-11-23 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 185 209) no Hoare annotation was computed. [2018-11-23 13:08:56,972 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 13:08:56,972 INFO L444 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2018-11-23 13:08:56,973 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2018-11-23 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-11-23 13:08:56,973 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 341 404) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 341 404) no Hoare annotation was computed. [2018-11-23 13:08:56,973 INFO L444 ceAbstractionStarter]: At program point L397(lines 350 398) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2018-11-23 13:08:56,973 INFO L444 ceAbstractionStarter]: At program point L387-2(lines 381 392) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point L352(lines 351 396) no Hoare annotation was computed. [2018-11-23 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 392) no Hoare annotation was computed. [2018-11-23 13:08:56,973 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point L371(lines 371 377) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 371 377) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L444 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 13:08:56,974 INFO L444 ceAbstractionStarter]: At program point L394(lines 351 396) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 367) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 361 367) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 341 404) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 210 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 210 217) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 210 217) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 500 508) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 500 508) the Hoare annotation is: true [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 500 508) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 231) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point L223-1(line 223) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 218 234) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 218 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:08:56,975 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 218 234) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 477 485) the Hoare annotation is: true [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 477 485) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 477 485) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L451 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2018-11-23 13:08:56,975 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 433 444) the Hoare annotation is: true [2018-11-23 13:08:56,975 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point L437-1(lines 433 444) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L451 ceAbstractionStarter]: At program point L928(lines 903 932) the Hoare annotation is: true [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 903 932) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 903 932) the Hoare annotation is: true [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L451 ceAbstractionStarter]: At program point L917-1(lines 917 921) the Hoare annotation is: true [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L451 ceAbstractionStarter]: At program point L913-2(lines 913 927) the Hoare annotation is: true [2018-11-23 13:08:56,976 INFO L451 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 445 453) the Hoare annotation is: true [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 445 453) no Hoare annotation was computed. [2018-11-23 13:08:56,976 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L444 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not .cse6)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6 .cse1))) (and (or .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse3) .cse1)) .cse4 (or .cse5 .cse2)) (or (or .cse0 .cse2) .cse5 .cse4)))) [2018-11-23 13:08:56,977 INFO L444 ceAbstractionStarter]: At program point L112(lines 112 118) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1))) (let ((.cse0 (and (<= 2 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse2 (not .cse3))) (and (or .cse0 (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse1))) (or (< |old(~waterLevel~0)| 2) .cse2)) (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse2)))) [2018-11-23 13:08:56,977 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 13:08:56,977 INFO L444 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-23 13:08:56,977 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L448 ceAbstractionStarter]: For program point L105(lines 104 123) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 409 420) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-23 13:08:56,977 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 409 420) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 409 420) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 957 963) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 957 963) the Hoare annotation is: true [2018-11-23 13:08:56,977 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:08:56,977 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-23 13:08:56,978 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 133 157) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 133 157) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 133 157) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,978 INFO L444 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1) (or (or .cse0 .cse1) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 154) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 421 432) no Hoare annotation was computed. [2018-11-23 13:08:56,978 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 421 432) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-23 13:08:56,979 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 13:08:56,979 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 13:08:56,979 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 13:08:56,979 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 13:08:56,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:08:56 BoogieIcfgContainer [2018-11-23 13:08:56,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:08:56,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:08:56,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:08:56,987 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:08:56,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:47" (3/4) ... [2018-11-23 13:08:56,990 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:08:56,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:08:56,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:08:56,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 13:08:56,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:08:56,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:08:56,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:08:56,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:08:56,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:08:56,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:08:56,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:08:56,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:08:56,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:08:56,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:08:56,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:08:57,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 13:08:57,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:08:57,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:08:57,009 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:08:57,009 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:08:57,009 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:08:57,010 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:08:57,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 13:08:57,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 13:08:57,067 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfd9c566-13a7-4b17-a923-b9e3998298f5/bin-2019/uautomizer/witness.graphml [2018-11-23 13:08:57,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:08:57,068 INFO L168 Benchmark]: Toolchain (without parser) took 10595.12 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 429.4 MB). Free memory was 957.1 MB in the beginning and 831.0 MB in the end (delta: 126.1 MB). Peak memory consumption was 555.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:08:57,069 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:08:57,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:08:57,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.06 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:08:57,069 INFO L168 Benchmark]: Boogie Preprocessor took 31.66 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 13:08:57,069 INFO L168 Benchmark]: RCFGBuilder took 514.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:08:57,070 INFO L168 Benchmark]: TraceAbstraction took 9556.18 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 276.3 MB). Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 241.2 MB). Peak memory consumption was 530.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:08:57,070 INFO L168 Benchmark]: Witness Printer took 80.19 ms. Allocated memory is still 1.5 GB. Free memory was 841.9 MB in the beginning and 831.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:08:57,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.06 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.66 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. * RCFGBuilder took 514.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9556.18 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 276.3 MB). Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 241.2 MB). Peak memory consumption was 530.0 MB. Max. memory is 11.5 GB. * Witness Printer took 80.19 ms. Allocated memory is still 1.5 GB. Free memory was 841.9 MB in the beginning and 831.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 351]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1910 SDtfs, 3157 SDslu, 5737 SDs, 0 SdLazy, 6322 SolverSat, 1918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1105 GetRequests, 948 SyntacticMatches, 2 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1400 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=947occurred in iteration=7, 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 253 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2117 PreInvPairs, 2185 NumberOfFragments, 1099 HoareAnnotationTreeSize, 2117 FomulaSimplifications, 4408 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 69 FomulaSimplificationsInter, 9113 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2086 NumberOfCodeBlocks, 2086 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2071 ConstructedInterpolants, 0 QuantifiedInterpolants, 531818 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4560 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 589/648 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...