./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/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_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/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 0.1.23-635dfa2 [2018-12-09 12:53:25,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:53:25,025 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:53:25,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:53:25,032 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:53:25,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:53:25,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:53:25,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:53:25,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:53:25,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:53:25,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:53:25,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:53:25,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:53:25,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:53:25,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:53:25,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:53:25,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:53:25,038 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:53:25,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:53:25,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:53:25,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:53:25,041 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:53:25,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:53:25,042 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:53:25,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:53:25,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:53:25,044 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:53:25,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:53:25,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:53:25,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:53:25,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:53:25,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:53:25,045 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:53:25,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:53:25,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:53:25,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:53:25,047 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 12:53:25,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:53:25,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:53:25,054 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:53:25,055 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:53:25,055 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:53:25,055 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:53:25,055 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:53:25,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:53:25,055 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:53:25,055 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:53:25,055 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:53:25,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:53:25,056 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:53:25,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:53:25,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:53:25,057 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:53:25,057 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:53:25,057 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:53:25,057 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 12:53:25,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:53:25,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:53:25,057 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_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/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 [2018-12-09 12:53:25,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:53:25,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:53:25,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:53:25,088 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:53:25,089 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:53:25,089 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-12-09 12:53:25,135 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/data/5f9f41dd1/dd8bb2aef4164441957231adfd088eaa/FLAG94e13c2b4 [2018-12-09 12:53:25,610 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:53:25,611 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-12-09 12:53:25,617 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/data/5f9f41dd1/dd8bb2aef4164441957231adfd088eaa/FLAG94e13c2b4 [2018-12-09 12:53:25,625 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/data/5f9f41dd1/dd8bb2aef4164441957231adfd088eaa [2018-12-09 12:53:25,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:53:25,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:53:25,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:25,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:53:25,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:53:25,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25, skipping insertion in model container [2018-12-09 12:53:25,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:53:25,659 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:53:25,840 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:25,884 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:53:25,937 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:25,952 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:53:25,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25 WrapperNode [2018-12-09 12:53:25,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:25,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:25,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:53:25,953 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:53:25,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:25,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:53:25,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:53:25,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:53:25,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... [2018-12-09 12:53:25,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:53:25,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:53:25,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:53:25,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:53:25,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/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 [2018-12-09 12:53:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 12:53:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 12:53:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:53:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:53:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:53:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 12:53:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 12:53:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 12:53:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 12:53:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 12:53:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 12:53:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 12:53:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 12:53:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 12:53:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 12:53:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 12:53:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 12:53:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 12:53:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 12:53:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 12:53:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 12:53:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 12:53:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 12:53:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 12:53:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 12:53:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 12:53:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 12:53:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 12:53:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 12:53:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 12:53:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 12:53:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 12:53:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 12:53:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 12:53:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 12:53:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 12:53:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 12:53:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 12:53:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 12:53:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 12:53:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 12:53:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 12:53:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 12:53:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:53:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:53:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:53:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 12:53:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 12:53:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 12:53:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 12:53:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 12:53:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 12:53:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:53:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:53:26,316 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:53:26,317 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 12:53:26,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:26 BoogieIcfgContainer [2018-12-09 12:53:26,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:53:26,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:53:26,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:53:26,319 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:53:26,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:53:25" (1/3) ... [2018-12-09 12:53:26,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73299469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:53:26, skipping insertion in model container [2018-12-09 12:53:26,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:25" (2/3) ... [2018-12-09 12:53:26,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73299469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:53:26, skipping insertion in model container [2018-12-09 12:53:26,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:26" (3/3) ... [2018-12-09 12:53:26,321 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-12-09 12:53:26,327 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:53:26,332 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:53:26,341 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:53:26,358 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:53:26,358 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:53:26,358 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:53:26,359 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:53:26,359 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:53:26,359 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:53:26,359 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:53:26,359 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:53:26,359 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:53:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-12-09 12:53:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:53:26,375 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:26,376 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] [2018-12-09 12:53:26,377 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:26,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:26,381 INFO L82 PathProgramCache]: Analyzing trace with hash 498848746, now seen corresponding path program 1 times [2018-12-09 12:53:26,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:26,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:26,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:26,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:26,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:26,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:53:26,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:53:26,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:53:26,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:53:26,534 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-12-09 12:53:26,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:26,555 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2018-12-09 12:53:26,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:53:26,556 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 12:53:26,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:26,563 INFO L225 Difference]: With dead ends: 246 [2018-12-09 12:53:26,563 INFO L226 Difference]: Without dead ends: 123 [2018-12-09 12:53:26,565 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 [2018-12-09 12:53:26,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-09 12:53:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-09 12:53:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-09 12:53:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2018-12-09 12:53:26,594 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2018-12-09 12:53:26,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:26,594 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2018-12-09 12:53:26,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:53:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2018-12-09 12:53:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 12:53:26,596 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:26,596 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] [2018-12-09 12:53:26,596 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:26,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:26,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1610957714, now seen corresponding path program 1 times [2018-12-09 12:53:26,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:26,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:26,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:26,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:26,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:26,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:53:26,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:53:26,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:53:26,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:53:26,653 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2018-12-09 12:53:26,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:26,669 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2018-12-09 12:53:26,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:53:26,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 12:53:26,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:26,671 INFO L225 Difference]: With dead ends: 195 [2018-12-09 12:53:26,671 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 12:53:26,672 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 [2018-12-09 12:53:26,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 12:53:26,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-09 12:53:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-09 12:53:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-12-09 12:53:26,682 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2018-12-09 12:53:26,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:26,682 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-12-09 12:53:26,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:53:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-12-09 12:53:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 12:53:26,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:26,683 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] [2018-12-09 12:53:26,683 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:26,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:26,683 INFO L82 PathProgramCache]: Analyzing trace with hash -2062171132, now seen corresponding path program 1 times [2018-12-09 12:53:26,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:26,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:26,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:26,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:26,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:26,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:53:26,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:53:26,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:53:26,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:53:26,767 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2018-12-09 12:53:26,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:26,912 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2018-12-09 12:53:26,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:53:26,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 12:53:26,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:26,914 INFO L225 Difference]: With dead ends: 204 [2018-12-09 12:53:26,914 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 12:53:26,914 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 [2018-12-09 12:53:26,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 12:53:26,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-09 12:53:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-09 12:53:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-12-09 12:53:26,921 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2018-12-09 12:53:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:26,921 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-12-09 12:53:26,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:53:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-12-09 12:53:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 12:53:26,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:26,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:53:26,923 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:26,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:26,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1534409439, now seen corresponding path program 1 times [2018-12-09 12:53:26,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:26,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:26,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:26,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:26,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:26,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:53:26,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:53:26,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:53:26,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:53:26,987 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2018-12-09 12:53:27,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:27,247 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2018-12-09 12:53:27,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:53:27,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-09 12:53:27,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:27,249 INFO L225 Difference]: With dead ends: 301 [2018-12-09 12:53:27,249 INFO L226 Difference]: Without dead ends: 211 [2018-12-09 12:53:27,249 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 [2018-12-09 12:53:27,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-12-09 12:53:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-12-09 12:53:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-12-09 12:53:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2018-12-09 12:53:27,263 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2018-12-09 12:53:27,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:27,263 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2018-12-09 12:53:27,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:53:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2018-12-09 12:53:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 12:53:27,264 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:27,265 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] [2018-12-09 12:53:27,265 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:27,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:27,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2018996323, now seen corresponding path program 1 times [2018-12-09 12:53:27,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:27,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:27,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:27,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:27,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:27,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 12:53:27,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:53:27,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:53:27,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:53:27,334 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2018-12-09 12:53:27,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:27,365 INFO L93 Difference]: Finished difference Result 369 states and 435 transitions. [2018-12-09 12:53:27,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:53:27,366 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-12-09 12:53:27,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:27,368 INFO L225 Difference]: With dead ends: 369 [2018-12-09 12:53:27,368 INFO L226 Difference]: Without dead ends: 200 [2018-12-09 12:53:27,369 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 [2018-12-09 12:53:27,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-12-09 12:53:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2018-12-09 12:53:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-12-09 12:53:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 226 transitions. [2018-12-09 12:53:27,384 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 226 transitions. Word has length 79 [2018-12-09 12:53:27,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:27,384 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 226 transitions. [2018-12-09 12:53:27,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:53:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2018-12-09 12:53:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 12:53:27,385 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:27,385 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] [2018-12-09 12:53:27,386 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:27,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:27,386 INFO L82 PathProgramCache]: Analyzing trace with hash 2091382881, now seen corresponding path program 1 times [2018-12-09 12:53:27,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:27,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:27,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:27,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:27,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:27,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:53:27,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:53:27,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:53:27,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:53:27,456 INFO L87 Difference]: Start difference. First operand 197 states and 226 transitions. Second operand 6 states. [2018-12-09 12:53:27,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:27,557 INFO L93 Difference]: Finished difference Result 489 states and 589 transitions. [2018-12-09 12:53:27,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:53:27,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-09 12:53:27,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:27,559 INFO L225 Difference]: With dead ends: 489 [2018-12-09 12:53:27,559 INFO L226 Difference]: Without dead ends: 316 [2018-12-09 12:53:27,560 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 [2018-12-09 12:53:27,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-12-09 12:53:27,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2018-12-09 12:53:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-12-09 12:53:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 363 transitions. [2018-12-09 12:53:27,574 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 363 transitions. Word has length 79 [2018-12-09 12:53:27,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:27,574 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 363 transitions. [2018-12-09 12:53:27,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:53:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 363 transitions. [2018-12-09 12:53:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:53:27,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:27,575 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] [2018-12-09 12:53:27,575 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:27,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:27,576 INFO L82 PathProgramCache]: Analyzing trace with hash 345874407, now seen corresponding path program 1 times [2018-12-09 12:53:27,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:27,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:27,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:27,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:27,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:27,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:53:27,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:53:27,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:53:27,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:53:27,630 INFO L87 Difference]: Start difference. First operand 312 states and 363 transitions. Second operand 6 states. [2018-12-09 12:53:27,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:27,752 INFO L93 Difference]: Finished difference Result 649 states and 783 transitions. [2018-12-09 12:53:27,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:53:27,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-09 12:53:27,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:27,754 INFO L225 Difference]: With dead ends: 649 [2018-12-09 12:53:27,755 INFO L226 Difference]: Without dead ends: 476 [2018-12-09 12:53:27,755 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 [2018-12-09 12:53:27,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-12-09 12:53:27,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 458. [2018-12-09 12:53:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-12-09 12:53:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2018-12-09 12:53:27,773 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2018-12-09 12:53:27,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:27,774 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2018-12-09 12:53:27,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:53:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2018-12-09 12:53:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:53:27,775 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:27,775 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] [2018-12-09 12:53:27,775 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:27,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:27,775 INFO L82 PathProgramCache]: Analyzing trace with hash 603253610, now seen corresponding path program 1 times [2018-12-09 12:53:27,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:27,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:27,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:27,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:27,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:27,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:27,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 12:53:27,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:53:27,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:53:27,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:53:27,824 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2018-12-09 12:53:27,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:27,865 INFO L93 Difference]: Finished difference Result 797 states and 959 transitions. [2018-12-09 12:53:27,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:53:27,866 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-12-09 12:53:27,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:27,867 INFO L225 Difference]: With dead ends: 797 [2018-12-09 12:53:27,867 INFO L226 Difference]: Without dead ends: 478 [2018-12-09 12:53:27,868 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 [2018-12-09 12:53:27,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-12-09 12:53:27,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2018-12-09 12:53:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-12-09 12:53:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2018-12-09 12:53:27,884 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 83 [2018-12-09 12:53:27,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:27,884 INFO L480 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2018-12-09 12:53:27,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:53:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2018-12-09 12:53:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:53:27,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:27,885 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] [2018-12-09 12:53:27,886 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:27,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:27,886 INFO L82 PathProgramCache]: Analyzing trace with hash 675640168, now seen corresponding path program 1 times [2018-12-09 12:53:27,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:27,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:27,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:27,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:27,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:27,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:53:27,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:53:27,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:53:27,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:53:27,922 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand 5 states. [2018-12-09 12:53:27,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:27,946 INFO L93 Difference]: Finished difference Result 799 states and 966 transitions. [2018-12-09 12:53:27,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:53:27,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-12-09 12:53:27,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:27,949 INFO L225 Difference]: With dead ends: 799 [2018-12-09 12:53:27,949 INFO L226 Difference]: Without dead ends: 465 [2018-12-09 12:53:27,950 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 [2018-12-09 12:53:27,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-12-09 12:53:27,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2018-12-09 12:53:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-12-09 12:53:27,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 550 transitions. [2018-12-09 12:53:27,963 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 550 transitions. Word has length 83 [2018-12-09 12:53:27,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:27,963 INFO L480 AbstractCegarLoop]: Abstraction has 465 states and 550 transitions. [2018-12-09 12:53:27,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:53:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 550 transitions. [2018-12-09 12:53:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:53:27,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:27,965 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] [2018-12-09 12:53:27,965 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:27,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:27,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1645258577, now seen corresponding path program 1 times [2018-12-09 12:53:27,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:27,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:27,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:27,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:53:28,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:53:28,014 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/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 [2018-12-09 12:53:28,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:28,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:53:28,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:53:28,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:53:28,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-09 12:53:28,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 12:53:28,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 12:53:28,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-09 12:53:28,195 INFO L87 Difference]: Start difference. First operand 465 states and 550 transitions. Second operand 14 states. [2018-12-09 12:53:28,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:28,528 INFO L93 Difference]: Finished difference Result 1212 states and 1487 transitions. [2018-12-09 12:53:28,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 12:53:28,528 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 95 [2018-12-09 12:53:28,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:28,530 INFO L225 Difference]: With dead ends: 1212 [2018-12-09 12:53:28,530 INFO L226 Difference]: Without dead ends: 771 [2018-12-09 12:53:28,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-09 12:53:28,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-12-09 12:53:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 768. [2018-12-09 12:53:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2018-12-09 12:53:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 897 transitions. [2018-12-09 12:53:28,555 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 897 transitions. Word has length 95 [2018-12-09 12:53:28,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:28,556 INFO L480 AbstractCegarLoop]: Abstraction has 768 states and 897 transitions. [2018-12-09 12:53:28,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 12:53:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 897 transitions. [2018-12-09 12:53:28,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 12:53:28,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:28,557 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] [2018-12-09 12:53:28,557 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:28,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:28,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1976763213, now seen corresponding path program 1 times [2018-12-09 12:53:28,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:28,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:28,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:28,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:28,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:53:28,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:28,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 12:53:28,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:53:28,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:53:28,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:53:28,620 INFO L87 Difference]: Start difference. First operand 768 states and 897 transitions. Second operand 10 states. [2018-12-09 12:53:28,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:28,720 INFO L93 Difference]: Finished difference Result 1484 states and 1756 transitions. [2018-12-09 12:53:28,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:53:28,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-12-09 12:53:28,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:28,722 INFO L225 Difference]: With dead ends: 1484 [2018-12-09 12:53:28,722 INFO L226 Difference]: Without dead ends: 740 [2018-12-09 12:53:28,723 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 [2018-12-09 12:53:28,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2018-12-09 12:53:28,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 726. [2018-12-09 12:53:28,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-12-09 12:53:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 846 transitions. [2018-12-09 12:53:28,742 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 846 transitions. Word has length 99 [2018-12-09 12:53:28,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:28,743 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 846 transitions. [2018-12-09 12:53:28,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:53:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 846 transitions. [2018-12-09 12:53:28,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 12:53:28,744 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:28,744 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] [2018-12-09 12:53:28,744 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:28,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:28,744 INFO L82 PathProgramCache]: Analyzing trace with hash 636816401, now seen corresponding path program 1 times [2018-12-09 12:53:28,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:28,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:28,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:28,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:28,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:53:28,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:53:28,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 12:53:28,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:53:28,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:53:28,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:53:28,809 INFO L87 Difference]: Start difference. First operand 726 states and 846 transitions. Second operand 10 states. [2018-12-09 12:53:28,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:53:28,900 INFO L93 Difference]: Finished difference Result 1429 states and 1670 transitions. [2018-12-09 12:53:28,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:53:28,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-12-09 12:53:28,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:53:28,901 INFO L225 Difference]: With dead ends: 1429 [2018-12-09 12:53:28,901 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:53:28,903 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 [2018-12-09 12:53:28,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:53:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:53:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:53:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:53:28,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-12-09 12:53:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:53:28,904 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:53:28,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:53:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:53:28,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:53:28,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:53:29,461 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-12-09 12:53:29,670 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-12-09 12:53:30,102 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-12-09 12:53:30,724 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-12-09 12:53:30,843 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 12:53:30,843 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 12:53:30,843 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 12:53:30,843 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 12:53:30,843 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 12:53:30,843 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))) [2018-12-09 12:53:30,843 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))) [2018-12-09 12:53:30,844 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))) [2018-12-09 12:53:30,844 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2018-12-09 12:53:30,844 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2018-12-09 12:53:30,844 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2018-12-09 12:53:30,844 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 12:53:30,844 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))) [2018-12-09 12:53:30,844 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))) [2018-12-09 12:53:30,844 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))) [2018-12-09 12:53:30,844 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2018-12-09 12:53:30,845 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-12-09 12:53:30,845 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-12-09 12:53:30,845 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-12-09 12:53:30,845 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 12:53:30,845 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 12:53:30,845 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))) [2018-12-09 12:53:30,845 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2018-12-09 12:53:30,845 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2018-12-09 12:53:30,845 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2018-12-09 12:53:30,845 INFO L451 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2018-12-09 12:53:30,845 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-12-09 12:53:30,846 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-12-09 12:53:30,846 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))) [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2018-12-09 12:53:30,846 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))) [2018-12-09 12:53:30,846 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))) [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2018-12-09 12:53:30,846 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))) [2018-12-09 12:53:30,846 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))) [2018-12-09 12:53:30,846 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2018-12-09 12:53:30,847 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2018-12-09 12:53:30,847 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2018-12-09 12:53:30,847 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))) [2018-12-09 12:53:30,847 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)))) [2018-12-09 12:53:30,847 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)))) [2018-12-09 12:53:30,847 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-12-09 12:53:30,847 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-12-09 12:53:30,847 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2018-12-09 12:53:30,847 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2018-12-09 12:53:30,847 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))) [2018-12-09 12:53:30,847 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2018-12-09 12:53:30,848 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)))) [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2018-12-09 12:53:30,848 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)))) [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2018-12-09 12:53:30,848 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))) [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2018-12-09 12:53:30,848 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))))) [2018-12-09 12:53:30,848 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))))) [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2018-12-09 12:53:30,848 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-12-09 12:53:30,848 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))))) [2018-12-09 12:53:30,849 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2018-12-09 12:53:30,849 INFO L451 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-12-09 12:53:30,849 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))) [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 12:53:30,849 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2018-12-09 12:53:30,850 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-12-09 12:53:30,850 INFO L451 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2018-12-09 12:53:30,850 INFO L448 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2018-12-09 12:53:30,850 INFO L451 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2018-12-09 12:53:30,850 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-09 12:53:30,850 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-09 12:53:30,850 INFO L451 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2018-12-09 12:53:30,850 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-12-09 12:53:30,850 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-12-09 12:53:30,850 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-12-09 12:53:30,850 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))) [2018-12-09 12:53:30,850 INFO L448 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2018-12-09 12:53:30,850 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))) [2018-12-09 12:53:30,851 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2018-12-09 12:53:30,851 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))) [2018-12-09 12:53:30,851 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2018-12-09 12:53:30,851 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))) [2018-12-09 12:53:30,851 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))) [2018-12-09 12:53:30,851 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2018-12-09 12:53:30,851 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-12-09 12:53:30,851 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2018-12-09 12:53:30,851 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))) [2018-12-09 12:53:30,851 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-09 12:53:30,851 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-12-09 12:53:30,851 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2018-12-09 12:53:30,851 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))) [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2018-12-09 12:53:30,852 INFO L451 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-12-09 12:53:30,852 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))) [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2018-12-09 12:53:30,852 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:53:30,852 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)) [2018-12-09 12:53:30,852 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:53:30,852 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:53:30,853 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-12-09 12:53:30,853 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-12-09 12:53:30,853 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))) [2018-12-09 12:53:30,853 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-12-09 12:53:30,853 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-12-09 12:53:30,853 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-12-09 12:53:30,853 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-12-09 12:53:30,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:53:30 BoogieIcfgContainer [2018-12-09 12:53:30,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:53:30,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:53:30,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:53:30,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:53:30,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:26" (3/4) ... [2018-12-09 12:53:30,865 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 12:53:30,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 12:53:30,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 12:53:30,876 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 12:53:30,876 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 12:53:30,876 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 12:53:30,877 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 12:53:30,877 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:53:30,877 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:53:30,899 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) [2018-12-09 12:53:30,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 12:53:30,929 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_63626ef4-1d4d-4573-8cfd-ef2b873b4bd5/bin-2019/uautomizer/witness.graphml [2018-12-09 12:53:30,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:53:30,930 INFO L168 Benchmark]: Toolchain (without parser) took 5302.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 950.6 MB in the beginning and 885.8 MB in the end (delta: 64.8 MB). Peak memory consumption was 289.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:30,930 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:53:30,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:30,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.47 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. [2018-12-09 12:53:30,931 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:30,931 INFO L168 Benchmark]: RCFGBuilder took 323.77 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:30,931 INFO L168 Benchmark]: TraceAbstraction took 4544.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 894.5 MB in the end (delta: 161.0 MB). Peak memory consumption was 270.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:30,931 INFO L168 Benchmark]: Witness Printer took 67.13 ms. Allocated memory is still 1.3 GB. Free memory was 894.5 MB in the beginning and 885.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:30,932 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.47 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 20.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 323.77 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4544.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 894.5 MB in the end (delta: 161.0 MB). Peak memory consumption was 270.5 MB. Max. memory is 11.5 GB. * Witness Printer took 67.13 ms. Allocated memory is still 1.3 GB. Free memory was 894.5 MB in the beginning and 885.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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, 4.5s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1848 SDtfs, 816 SDslu, 7096 SDs, 0 SdLazy, 1436 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s 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: 0.1s 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, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s 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...