./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/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 f25a9f8800d2b9b6ef21419533be8e4411f52f7f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:24:16,372 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:24:16,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:24:16,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:24:16,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:24:16,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:24:16,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:24:16,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:24:16,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:24:16,384 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:24:16,385 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:24:16,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:24:16,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:24:16,386 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:24:16,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:24:16,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:24:16,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:24:16,390 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:24:16,391 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:24:16,392 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:24:16,393 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:24:16,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:24:16,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:24:16,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:24:16,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:24:16,396 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:24:16,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:24:16,397 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:24:16,398 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:24:16,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:24:16,399 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:24:16,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:24:16,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:24:16,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:24:16,400 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:24:16,401 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:24:16,401 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:24:16,410 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:24:16,410 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:24:16,411 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:24:16,411 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:24:16,411 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:24:16,412 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:24:16,412 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:24:16,412 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:24:16,412 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:24:16,412 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:24:16,412 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:24:16,412 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:24:16,413 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:24:16,413 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:24:16,413 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:24:16,413 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:24:16,413 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:24:16,413 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:24:16,413 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:24:16,413 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:24:16,414 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:24:16,414 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:24:16,414 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:24:16,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:24:16,414 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:24:16,414 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:24:16,414 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:24:16,415 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:24:16,415 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:24:16,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:24:16,415 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_c693a1d6-807e-496a-89ab-445fc67cc78a/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 -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2018-11-28 12:24:16,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:24:16,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:24:16,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:24:16,448 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:24:16,448 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:24:16,448 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-28 12:24:16,486 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/data/813687c6c/18de0d14caaa4a488140db077e81aa1f/FLAGf9b781509 [2018-11-28 12:24:16,915 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:24:16,916 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-28 12:24:16,925 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/data/813687c6c/18de0d14caaa4a488140db077e81aa1f/FLAGf9b781509 [2018-11-28 12:24:16,937 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/data/813687c6c/18de0d14caaa4a488140db077e81aa1f [2018-11-28 12:24:16,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:24:16,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:24:16,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:24:16,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:24:16,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:24:16,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:24:16" (1/1) ... [2018-11-28 12:24:16,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:16, skipping insertion in model container [2018-11-28 12:24:16,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:24:16" (1/1) ... [2018-11-28 12:24:16,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:24:16,978 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:24:17,168 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:24:17,228 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:24:17,285 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:24:17,304 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:24:17,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17 WrapperNode [2018-11-28 12:24:17,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:24:17,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:24:17,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:24:17,305 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:24:17,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:24:17,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:24:17,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:24:17,331 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:24:17,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... [2018-11-28 12:24:17,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:24:17,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:24:17,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:24:17,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:24:17,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/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 [2018-11-28 12:24:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:24:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:24:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:24:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:24:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:24:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:24:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:24:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:24:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:24:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:24:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:24:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:24:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:24:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:24:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:24:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:24:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:24:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:24:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:24:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:24:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:24:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:24:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:24:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:24:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:24:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:24:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:24:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:24:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:24:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:24:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:24:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:24:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:24:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:24:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:24:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:24:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:24:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:24:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:24:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:24:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:24:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:24:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:24:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:24:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:24:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:24:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:24:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:24:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:24:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:24:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:24:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:24:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:24:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:24:17,883 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:24:17,883 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:24:17,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:24:17 BoogieIcfgContainer [2018-11-28 12:24:17,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:24:17,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:24:17,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:24:17,887 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:24:17,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:24:16" (1/3) ... [2018-11-28 12:24:17,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3e42aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:24:17, skipping insertion in model container [2018-11-28 12:24:17,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:24:17" (2/3) ... [2018-11-28 12:24:17,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3e42aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:24:17, skipping insertion in model container [2018-11-28 12:24:17,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:24:17" (3/3) ... [2018-11-28 12:24:17,890 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-28 12:24:17,898 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:24:17,904 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:24:17,918 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:24:17,942 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:24:17,942 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:24:17,942 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:24:17,942 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:24:17,942 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:24:17,943 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:24:17,943 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:24:17,943 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:24:17,943 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:24:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-28 12:24:17,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:24:17,961 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:17,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:24:17,964 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:17,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:17,969 INFO L82 PathProgramCache]: Analyzing trace with hash 498848746, now seen corresponding path program 1 times [2018-11-28 12:24:17,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:17,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:18,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:18,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:18,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:18,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:24:18,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:24:18,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:24:18,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:24:18,170 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-28 12:24:18,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:18,198 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2018-11-28 12:24:18,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:24:18,199 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 12:24:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:18,206 INFO L225 Difference]: With dead ends: 246 [2018-11-28 12:24:18,207 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 12:24:18,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:24:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 12:24:18,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 12:24:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 12:24:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2018-11-28 12:24:18,245 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2018-11-28 12:24:18,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:18,246 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2018-11-28 12:24:18,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:24:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2018-11-28 12:24:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:24:18,248 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:18,248 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:24:18,249 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:18,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:18,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1610957714, now seen corresponding path program 1 times [2018-11-28 12:24:18,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:18,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:18,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:18,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:18,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:18,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:24:18,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:24:18,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:24:18,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:24:18,333 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2018-11-28 12:24:18,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:18,350 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2018-11-28 12:24:18,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:24:18,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 12:24:18,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:18,352 INFO L225 Difference]: With dead ends: 195 [2018-11-28 12:24:18,352 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 12:24:18,353 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 [2018-11-28 12:24:18,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 12:24:18,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 12:24:18,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 12:24:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-11-28 12:24:18,361 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2018-11-28 12:24:18,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:18,361 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-11-28 12:24:18,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:24:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-11-28 12:24:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:24:18,362 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:18,362 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:24:18,362 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:18,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:18,363 INFO L82 PathProgramCache]: Analyzing trace with hash -2062171132, now seen corresponding path program 1 times [2018-11-28 12:24:18,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:18,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:18,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:18,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:18,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:18,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:24:18,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:24:18,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:24:18,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:24:18,473 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2018-11-28 12:24:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:18,676 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2018-11-28 12:24:18,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:24:18,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 12:24:18,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:18,678 INFO L225 Difference]: With dead ends: 204 [2018-11-28 12:24:18,678 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 12:24:18,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:24:18,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 12:24:18,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 12:24:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 12:24:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-11-28 12:24:18,688 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2018-11-28 12:24:18,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:18,688 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-11-28 12:24:18,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:24:18,688 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-11-28 12:24:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 12:24:18,689 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:18,690 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] [2018-11-28 12:24:18,690 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:18,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:18,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1534409439, now seen corresponding path program 1 times [2018-11-28 12:24:18,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:18,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:18,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:18,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:18,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:18,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:24:18,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:24:18,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:24:18,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:24:18,783 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2018-11-28 12:24:19,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:19,045 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2018-11-28 12:24:19,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:24:19,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 12:24:19,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:19,048 INFO L225 Difference]: With dead ends: 301 [2018-11-28 12:24:19,048 INFO L226 Difference]: Without dead ends: 211 [2018-11-28 12:24:19,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:24:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-28 12:24:19,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-11-28 12:24:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-11-28 12:24:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2018-11-28 12:24:19,070 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2018-11-28 12:24:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:19,070 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2018-11-28 12:24:19,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:24:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2018-11-28 12:24:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:24:19,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:19,072 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] [2018-11-28 12:24:19,072 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:19,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:19,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2018996323, now seen corresponding path program 1 times [2018-11-28 12:24:19,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:19,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:19,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:19,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:19,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:19,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:24:19,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:24:19,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:24:19,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:24:19,175 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2018-11-28 12:24:19,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:19,222 INFO L93 Difference]: Finished difference Result 369 states and 435 transitions. [2018-11-28 12:24:19,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:24:19,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-28 12:24:19,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:19,225 INFO L225 Difference]: With dead ends: 369 [2018-11-28 12:24:19,226 INFO L226 Difference]: Without dead ends: 200 [2018-11-28 12:24:19,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:24:19,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-11-28 12:24:19,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2018-11-28 12:24:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-28 12:24:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 226 transitions. [2018-11-28 12:24:19,240 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 226 transitions. Word has length 79 [2018-11-28 12:24:19,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:19,240 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 226 transitions. [2018-11-28 12:24:19,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:24:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2018-11-28 12:24:19,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:24:19,241 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:19,241 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] [2018-11-28 12:24:19,241 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:19,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:19,242 INFO L82 PathProgramCache]: Analyzing trace with hash 2091382881, now seen corresponding path program 1 times [2018-11-28 12:24:19,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:19,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:19,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:19,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:19,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:19,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:24:19,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:24:19,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:24:19,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:24:19,309 INFO L87 Difference]: Start difference. First operand 197 states and 226 transitions. Second operand 6 states. [2018-11-28 12:24:19,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:19,496 INFO L93 Difference]: Finished difference Result 489 states and 589 transitions. [2018-11-28 12:24:19,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:24:19,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-28 12:24:19,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:19,499 INFO L225 Difference]: With dead ends: 489 [2018-11-28 12:24:19,499 INFO L226 Difference]: Without dead ends: 316 [2018-11-28 12:24:19,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:24:19,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-11-28 12:24:19,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2018-11-28 12:24:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-11-28 12:24:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 363 transitions. [2018-11-28 12:24:19,521 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 363 transitions. Word has length 79 [2018-11-28 12:24:19,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:19,521 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 363 transitions. [2018-11-28 12:24:19,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:24:19,521 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 363 transitions. [2018-11-28 12:24:19,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:24:19,522 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:19,523 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] [2018-11-28 12:24:19,523 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:19,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:19,524 INFO L82 PathProgramCache]: Analyzing trace with hash 345874407, now seen corresponding path program 1 times [2018-11-28 12:24:19,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:19,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:19,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:19,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:19,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:19,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:24:19,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:24:19,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:24:19,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:24:19,620 INFO L87 Difference]: Start difference. First operand 312 states and 363 transitions. Second operand 6 states. [2018-11-28 12:24:19,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:19,778 INFO L93 Difference]: Finished difference Result 649 states and 783 transitions. [2018-11-28 12:24:19,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:24:19,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 12:24:19,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:19,782 INFO L225 Difference]: With dead ends: 649 [2018-11-28 12:24:19,782 INFO L226 Difference]: Without dead ends: 476 [2018-11-28 12:24:19,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:24:19,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-11-28 12:24:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 458. [2018-11-28 12:24:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-11-28 12:24:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2018-11-28 12:24:19,810 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2018-11-28 12:24:19,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:19,810 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2018-11-28 12:24:19,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:24:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2018-11-28 12:24:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:24:19,811 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:19,812 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] [2018-11-28 12:24:19,812 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:19,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash 603253610, now seen corresponding path program 1 times [2018-11-28 12:24:19,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:19,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:19,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:19,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:19,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:19,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:24:19,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:24:19,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:24:19,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:24:19,930 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2018-11-28 12:24:20,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:20,017 INFO L93 Difference]: Finished difference Result 797 states and 959 transitions. [2018-11-28 12:24:20,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:24:20,018 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-11-28 12:24:20,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:20,021 INFO L225 Difference]: With dead ends: 797 [2018-11-28 12:24:20,021 INFO L226 Difference]: Without dead ends: 478 [2018-11-28 12:24:20,022 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:24:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-11-28 12:24:20,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2018-11-28 12:24:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-11-28 12:24:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2018-11-28 12:24:20,051 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 83 [2018-11-28 12:24:20,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:20,052 INFO L480 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2018-11-28 12:24:20,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:24:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2018-11-28 12:24:20,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:24:20,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:20,055 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:24:20,055 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:20,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:20,055 INFO L82 PathProgramCache]: Analyzing trace with hash 675640168, now seen corresponding path program 1 times [2018-11-28 12:24:20,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:20,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:20,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:20,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:20,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:20,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:20,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:24:20,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:24:20,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:24:20,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:24:20,112 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand 5 states. [2018-11-28 12:24:20,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:20,148 INFO L93 Difference]: Finished difference Result 799 states and 966 transitions. [2018-11-28 12:24:20,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:24:20,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-28 12:24:20,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:20,151 INFO L225 Difference]: With dead ends: 799 [2018-11-28 12:24:20,151 INFO L226 Difference]: Without dead ends: 465 [2018-11-28 12:24:20,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:24:20,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-28 12:24:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2018-11-28 12:24:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-11-28 12:24:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 550 transitions. [2018-11-28 12:24:20,177 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 550 transitions. Word has length 83 [2018-11-28 12:24:20,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:20,177 INFO L480 AbstractCegarLoop]: Abstraction has 465 states and 550 transitions. [2018-11-28 12:24:20,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:24:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 550 transitions. [2018-11-28 12:24:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 12:24:20,180 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:20,180 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:24:20,181 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:20,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:20,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1645258577, now seen corresponding path program 1 times [2018-11-28 12:24:20,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:20,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:20,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:20,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:20,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:24:20,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:24:20,250 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/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 [2018-11-28 12:24:20,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:20,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:24:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:24:20,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:24:20,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 12:24:20,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:24:20,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:24:20,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:24:20,525 INFO L87 Difference]: Start difference. First operand 465 states and 550 transitions. Second operand 14 states. [2018-11-28 12:24:20,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:20,932 INFO L93 Difference]: Finished difference Result 1212 states and 1487 transitions. [2018-11-28 12:24:20,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:24:20,933 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 95 [2018-11-28 12:24:20,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:20,935 INFO L225 Difference]: With dead ends: 1212 [2018-11-28 12:24:20,935 INFO L226 Difference]: Without dead ends: 771 [2018-11-28 12:24:20,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:24:20,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-11-28 12:24:20,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 768. [2018-11-28 12:24:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2018-11-28 12:24:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 897 transitions. [2018-11-28 12:24:20,964 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 897 transitions. Word has length 95 [2018-11-28 12:24:20,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:20,964 INFO L480 AbstractCegarLoop]: Abstraction has 768 states and 897 transitions. [2018-11-28 12:24:20,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:24:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 897 transitions. [2018-11-28 12:24:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 12:24:20,966 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:20,966 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:24:20,966 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:20,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:20,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1976763213, now seen corresponding path program 1 times [2018-11-28 12:24:20,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:20,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:20,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:20,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:20,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:21,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:24:21,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:21,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:24:21,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:24:21,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:24:21,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:24:21,038 INFO L87 Difference]: Start difference. First operand 768 states and 897 transitions. Second operand 10 states. [2018-11-28 12:24:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:21,135 INFO L93 Difference]: Finished difference Result 1484 states and 1756 transitions. [2018-11-28 12:24:21,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:24:21,135 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-11-28 12:24:21,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:21,138 INFO L225 Difference]: With dead ends: 1484 [2018-11-28 12:24:21,138 INFO L226 Difference]: Without dead ends: 740 [2018-11-28 12:24:21,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:24:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2018-11-28 12:24:21,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 726. [2018-11-28 12:24:21,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-11-28 12:24:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 846 transitions. [2018-11-28 12:24:21,161 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 846 transitions. Word has length 99 [2018-11-28 12:24:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:21,162 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 846 transitions. [2018-11-28 12:24:21,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:24:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 846 transitions. [2018-11-28 12:24:21,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 12:24:21,163 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:24:21,163 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:24:21,164 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:24:21,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:24:21,164 INFO L82 PathProgramCache]: Analyzing trace with hash 636816401, now seen corresponding path program 1 times [2018-11-28 12:24:21,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:24:21,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:24:21,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:21,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:24:21,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:24:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:24:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:24:21,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:24:21,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:24:21,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:24:21,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:24:21,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:24:21,243 INFO L87 Difference]: Start difference. First operand 726 states and 846 transitions. Second operand 10 states. [2018-11-28 12:24:21,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:24:21,330 INFO L93 Difference]: Finished difference Result 1429 states and 1670 transitions. [2018-11-28 12:24:21,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:24:21,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-11-28 12:24:21,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:24:21,331 INFO L225 Difference]: With dead ends: 1429 [2018-11-28 12:24:21,331 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:24:21,333 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:24:21,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:24:21,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:24:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:24:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:24:21,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-11-28 12:24:21,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:24:21,334 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:24:21,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:24:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:24:21,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:24:21,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:24:22,018 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-11-28 12:24:22,265 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-11-28 12:24:22,792 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-11-28 12:24:23,080 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2018-11-28 12:24:23,511 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-11-28 12:24:23,635 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 12:24:23,635 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 12:24:23,635 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 12:24:23,635 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 12:24:23,635 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 12:24:23,635 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,635 INFO L444 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,636 INFO L444 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,636 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2018-11-28 12:24:23,636 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2018-11-28 12:24:23,636 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2018-11-28 12:24:23,636 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 12:24:23,636 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,636 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,636 INFO L444 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,636 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2018-11-28 12:24:23,636 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 12:24:23,637 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2018-11-28 12:24:23,637 INFO L451 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2018-11-28 12:24:23,637 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse3 .cse6))) [2018-11-28 12:24:23,638 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse3) (or .cse2 .cse1 .cse3 .cse5))) [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2018-11-28 12:24:23,638 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2018-11-28 12:24:23,638 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2018-11-28 12:24:23,639 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2018-11-28 12:24:23,639 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,639 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:24:23,639 INFO L444 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:24:23,639 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-28 12:24:23,639 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-28 12:24:23,639 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2018-11-28 12:24:23,639 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2018-11-28 12:24:23,639 INFO L444 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:24:23,639 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2018-11-28 12:24:23,639 INFO L444 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:24:23,640 INFO L448 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2018-11-28 12:24:23,640 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2018-11-28 12:24:23,640 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:24:23,640 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2018-11-28 12:24:23,640 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2018-11-28 12:24:23,640 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2018-11-28 12:24:23,640 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:24:23,640 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2018-11-28 12:24:23,640 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2018-11-28 12:24:23,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:24:23,641 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 12:24:23,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:24:23,641 INFO L448 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-11-28 12:24:23,641 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2018-11-28 12:24:23,641 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:24:23,641 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) (= 0 ~pumpRunning~0)) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:24:23,641 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2018-11-28 12:24:23,641 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-11-28 12:24:23,642 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:24:23,642 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-11-28 12:24:23,642 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-11-28 12:24:23,642 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-11-28 12:24:23,642 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2018-11-28 12:24:23,642 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2018-11-28 12:24:23,642 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2018-11-28 12:24:23,642 INFO L451 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2018-11-28 12:24:23,642 INFO L448 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2018-11-28 12:24:23,642 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2018-11-28 12:24:23,643 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-11-28 12:24:23,643 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse2 .cse6 .cse1 .cse3) (or .cse5 .cse4 .cse6 .cse1))) [2018-11-28 12:24:23,643 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-11-28 12:24:23,643 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-11-28 12:24:23,643 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2018-11-28 12:24:23,643 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 12:24:23,643 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2018-11-28 12:24:23,643 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-11-28 12:24:23,643 INFO L451 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2018-11-28 12:24:23,644 INFO L448 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2018-11-28 12:24:23,644 INFO L451 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2018-11-28 12:24:23,644 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-28 12:24:23,644 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-28 12:24:23,644 INFO L451 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2018-11-28 12:24:23,644 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-11-28 12:24:23,644 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-11-28 12:24:23,644 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-11-28 12:24:23,644 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 12:24:23,645 INFO L448 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2018-11-28 12:24:23,645 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse3 (not (= ~waterLevel~0 2))) (.cse9 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 1)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse7 .cse5 .cse4 .cse8 .cse6) (or .cse2 .cse7 .cse4 .cse8 .cse6) (or .cse0 .cse9 .cse2 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse3) (or .cse2 .cse4 .cse9 .cse6) (or .cse10 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse5 .cse4 .cse8) (or .cse10 .cse0 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse4 .cse8))) [2018-11-28 12:24:23,645 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2018-11-28 12:24:23,645 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~waterLevel~0 2))) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse3 .cse7 .cse6) (or .cse5 .cse8 .cse3 .cse9 .cse7) (or .cse0 .cse10 .cse5 .cse3) (or .cse5 .cse3 .cse10 .cse7) (or .cse2 .cse1 .cse3 .cse7) (or .cse0 .cse8 .cse5 .cse3 .cse9))) [2018-11-28 12:24:23,645 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2018-11-28 12:24:23,645 INFO L444 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~waterLevel~0 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse1 .cse7 .cse2) (or .cse8 .cse0 .cse2 .cse9 .cse3) (or .cse6 .cse10 .cse0 .cse4 .cse2) (or .cse6 .cse5 .cse0 .cse2) (or .cse10 .cse0 .cse4 .cse2 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse6 .cse8 .cse0 .cse2 .cse9))) [2018-11-28 12:24:23,646 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2018-11-28 12:24:23,646 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2018-11-28 12:24:23,646 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-11-28 12:24:23,646 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2018-11-28 12:24:23,646 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2018-11-28 12:24:23,646 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-28 12:24:23,646 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-28 12:24:23,646 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2018-11-28 12:24:23,646 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-11-28 12:24:23,647 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-11-28 12:24:23,647 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2018-11-28 12:24:23,647 INFO L451 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2018-11-28 12:24:23,647 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-11-28 12:24:23,647 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-11-28 12:24:23,647 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 12:24:23,647 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-11-28 12:24:23,647 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2018-11-28 12:24:23,647 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2018-11-28 12:24:23,648 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:24:23,648 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 12:24:23,648 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:24:23,648 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:24:23,648 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-11-28 12:24:23,648 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-11-28 12:24:23,648 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse7) (or .cse7 .cse6 .cse8 .cse2 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse7))) [2018-11-28 12:24:23,648 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-11-28 12:24:23,648 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-11-28 12:24:23,649 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-11-28 12:24:23,649 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-11-28 12:24:23,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:24:23 BoogieIcfgContainer [2018-11-28 12:24:23,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:24:23,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:24:23,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:24:23,658 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:24:23,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:24:17" (3/4) ... [2018-11-28 12:24:23,661 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:24:23,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:24:23,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:24:23,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:24:23,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:24:23,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:24:23,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:24:23,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:24:23,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:24:23,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:24:23,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:24:23,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:24:23,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:24:23,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:24:23,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:24:23,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:24:23,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:24:23,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 12:24:23,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:24:23,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:24:23,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:24:23,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:24:23,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:24:23,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:24:23,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:24:23,727 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c693a1d6-807e-496a-89ab-445fc67cc78a/bin-2019/uautomizer/witness.graphml [2018-11-28 12:24:23,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:24:23,728 INFO L168 Benchmark]: Toolchain (without parser) took 6787.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 950.6 MB in the beginning and 857.5 MB in the end (delta: 93.2 MB). Peak memory consumption was 298.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:24:23,728 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:24:23,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:24:23,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:24:23,729 INFO L168 Benchmark]: Boogie Preprocessor took 30.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:24:23,729 INFO L168 Benchmark]: RCFGBuilder took 522.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:24:23,729 INFO L168 Benchmark]: TraceAbstraction took 5773.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 865.0 MB in the end (delta: 194.1 MB). Peak memory consumption was 282.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:24:23,730 INFO L168 Benchmark]: Witness Printer took 69.39 ms. Allocated memory is still 1.2 GB. Free memory was 865.0 MB in the beginning and 857.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:24:23,731 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 522.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5773.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 865.0 MB in the end (delta: 194.1 MB). Peak memory consumption was 282.5 MB. Max. memory is 11.5 GB. * Witness Printer took 69.39 ms. Allocated memory is still 1.2 GB. Free memory was 865.0 MB in the beginning and 857.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 136 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1848 SDtfs, 816 SDslu, 7096 SDs, 0 SdLazy, 1436 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=768occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1579 PreInvPairs, 1676 NumberOfFragments, 1951 HoareAnnotationTreeSize, 1579 FomulaSimplifications, 1190 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7876 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 137441 SizeOfPredicates, 6 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...