./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_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_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/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 4f6c889e7a16ef76fe9fccec0743002e303bbe32 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:15:57,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:15:57,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:15:57,011 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:15:57,011 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:15:57,012 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:15:57,012 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:15:57,013 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:15:57,014 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:15:57,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:15:57,016 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:15:57,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:15:57,016 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:15:57,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:15:57,018 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:15:57,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:15:57,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:15:57,020 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:15:57,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:15:57,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:15:57,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:15:57,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:15:57,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:15:57,025 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:15:57,026 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:15:57,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:15:57,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:15:57,027 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:15:57,028 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:15:57,029 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:15:57,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:15:57,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:15:57,029 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:15:57,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:15:57,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:15:57,030 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:15:57,030 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 18:15:57,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:15:57,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:15:57,039 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:15:57,039 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:15:57,039 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:15:57,039 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:15:57,039 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 18:15:57,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:15:57,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:15:57,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:15:57,040 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:15:57,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:15:57,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:15:57,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:15:57,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:15:57,041 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:15:57,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:15:57,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:15:57,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:15:57,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:15:57,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:15:57,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:15:57,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:15:57,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:15:57,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:15:57,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:15:57,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:15:57,042 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 18:15:57,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:15:57,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:15:57,043 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_897a8f41-4682-40e6-af26-dd37c835219b/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 -> 4f6c889e7a16ef76fe9fccec0743002e303bbe32 [2018-12-08 18:15:57,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:15:57,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:15:57,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:15:57,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:15:57,080 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:15:57,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-12-08 18:15:57,116 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/data/6d0637dc3/6e70e6f6ce2949839f2a938a3f84c7df/FLAG2c14a94aa [2018-12-08 18:15:57,436 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:15:57,436 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-12-08 18:15:57,443 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/data/6d0637dc3/6e70e6f6ce2949839f2a938a3f84c7df/FLAG2c14a94aa [2018-12-08 18:15:57,846 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/data/6d0637dc3/6e70e6f6ce2949839f2a938a3f84c7df [2018-12-08 18:15:57,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:15:57,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:15:57,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:15:57,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:15:57,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:15:57,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:15:57" (1/1) ... [2018-12-08 18:15:57,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e45f543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:57, skipping insertion in model container [2018-12-08 18:15:57,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:15:57" (1/1) ... [2018-12-08 18:15:57,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:15:57,891 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:15:58,046 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:15:58,091 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:15:58,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:15:58,155 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:15:58,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58 WrapperNode [2018-12-08 18:15:58,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:15:58,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:15:58,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:15:58,156 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:15:58,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:15:58,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:15:58,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:15:58,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:15:58,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... [2018-12-08 18:15:58,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:15:58,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:15:58,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:15:58,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:15:58,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/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 [2018-12-08 18:15:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 18:15:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 18:15:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:15:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:15:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 18:15:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 18:15:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:15:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 18:15:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 18:15:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 18:15:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 18:15:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 18:15:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 18:15:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 18:15:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 18:15:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 18:15:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 18:15:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 18:15:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 18:15:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 18:15:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 18:15:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 18:15:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 18:15:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 18:15:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 18:15:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 18:15:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 18:15:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 18:15:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 18:15:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 18:15:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 18:15:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 18:15:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 18:15:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:15:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:15:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 18:15:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 18:15:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 18:15:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 18:15:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 18:15:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 18:15:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 18:15:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 18:15:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 18:15:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 18:15:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 18:15:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 18:15:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 18:15:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 18:15:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 18:15:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 18:15:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 18:15:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 18:15:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 18:15:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 18:15:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 18:15:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 18:15:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 18:15:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:15:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:15:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 18:15:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 18:15:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 18:15:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 18:15:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:15:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:15:58,559 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:15:58,559 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 18:15:58,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:15:58 BoogieIcfgContainer [2018-12-08 18:15:58,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:15:58,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:15:58,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:15:58,562 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:15:58,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:15:57" (1/3) ... [2018-12-08 18:15:58,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e758fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:15:58, skipping insertion in model container [2018-12-08 18:15:58,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:58" (2/3) ... [2018-12-08 18:15:58,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e758fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:15:58, skipping insertion in model container [2018-12-08 18:15:58,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:15:58" (3/3) ... [2018-12-08 18:15:58,564 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-12-08 18:15:58,570 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:15:58,575 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:15:58,585 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:15:58,602 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 18:15:58,603 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:15:58,603 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:15:58,603 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:15:58,603 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:15:58,603 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:15:58,603 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:15:58,603 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:15:58,603 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:15:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-12-08 18:15:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 18:15:58,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:58,621 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:58,622 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:58,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:58,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1368459006, now seen corresponding path program 1 times [2018-12-08 18:15:58,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:58,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:58,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:58,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:58,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:15:58,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:58,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:15:58,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:15:58,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:15:58,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:15:58,781 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-12-08 18:15:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:58,805 INFO L93 Difference]: Finished difference Result 308 states and 381 transitions. [2018-12-08 18:15:58,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:15:58,805 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 18:15:58,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:58,813 INFO L225 Difference]: With dead ends: 308 [2018-12-08 18:15:58,813 INFO L226 Difference]: Without dead ends: 156 [2018-12-08 18:15:58,815 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 [2018-12-08 18:15:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-12-08 18:15:58,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-12-08 18:15:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-12-08 18:15:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2018-12-08 18:15:58,848 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2018-12-08 18:15:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:58,848 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2018-12-08 18:15:58,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:15:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2018-12-08 18:15:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 18:15:58,851 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:58,851 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:58,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:58,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:58,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1108985580, now seen corresponding path program 1 times [2018-12-08 18:15:58,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:58,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:58,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:58,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:58,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:15:58,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:58,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:15:58,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:15:58,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:15:58,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:15:58,933 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2018-12-08 18:15:58,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:58,953 INFO L93 Difference]: Finished difference Result 257 states and 303 transitions. [2018-12-08 18:15:58,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:15:58,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 18:15:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:58,955 INFO L225 Difference]: With dead ends: 257 [2018-12-08 18:15:58,955 INFO L226 Difference]: Without dead ends: 147 [2018-12-08 18:15:58,956 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 [2018-12-08 18:15:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-08 18:15:58,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-08 18:15:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-08 18:15:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2018-12-08 18:15:58,969 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 60 [2018-12-08 18:15:58,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:58,969 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2018-12-08 18:15:58,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:15:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2018-12-08 18:15:58,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 18:15:58,971 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:58,971 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] [2018-12-08 18:15:58,971 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:58,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:58,972 INFO L82 PathProgramCache]: Analyzing trace with hash 138946551, now seen corresponding path program 1 times [2018-12-08 18:15:58,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:58,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:58,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:58,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:58,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:15:59,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:59,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:15:59,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:15:59,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:15:59,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:15:59,062 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2018-12-08 18:15:59,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:59,235 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2018-12-08 18:15:59,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:15:59,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 18:15:59,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:59,236 INFO L225 Difference]: With dead ends: 266 [2018-12-08 18:15:59,236 INFO L226 Difference]: Without dead ends: 147 [2018-12-08 18:15:59,237 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 [2018-12-08 18:15:59,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-08 18:15:59,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-08 18:15:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-08 18:15:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2018-12-08 18:15:59,245 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 64 [2018-12-08 18:15:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:59,246 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2018-12-08 18:15:59,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:15:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2018-12-08 18:15:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-08 18:15:59,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:59,247 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] [2018-12-08 18:15:59,248 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:59,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:59,248 INFO L82 PathProgramCache]: Analyzing trace with hash -577593803, now seen corresponding path program 1 times [2018-12-08 18:15:59,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:59,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:59,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:59,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:59,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:15:59,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:59,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:15:59,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:15:59,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:15:59,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:15:59,307 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 5 states. [2018-12-08 18:15:59,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:59,607 INFO L93 Difference]: Finished difference Result 375 states and 455 transitions. [2018-12-08 18:15:59,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:15:59,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2018-12-08 18:15:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:59,608 INFO L225 Difference]: With dead ends: 375 [2018-12-08 18:15:59,609 INFO L226 Difference]: Without dead ends: 256 [2018-12-08 18:15:59,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:15:59,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-12-08 18:15:59,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2018-12-08 18:15:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-12-08 18:15:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 272 transitions. [2018-12-08 18:15:59,626 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 272 transitions. Word has length 82 [2018-12-08 18:15:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:59,627 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 272 transitions. [2018-12-08 18:15:59,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:15:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 272 transitions. [2018-12-08 18:15:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 18:15:59,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:59,629 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] [2018-12-08 18:15:59,629 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:59,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:59,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1652182924, now seen corresponding path program 1 times [2018-12-08 18:15:59,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:59,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:59,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:59,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:59,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 18:15:59,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:59,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:15:59,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:15:59,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:15:59,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:15:59,715 INFO L87 Difference]: Start difference. First operand 238 states and 272 transitions. Second operand 7 states. [2018-12-08 18:16:00,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:00,017 INFO L93 Difference]: Finished difference Result 465 states and 547 transitions. [2018-12-08 18:16:00,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 18:16:00,018 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-08 18:16:00,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:00,020 INFO L225 Difference]: With dead ends: 465 [2018-12-08 18:16:00,020 INFO L226 Difference]: Without dead ends: 255 [2018-12-08 18:16:00,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 18:16:00,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-12-08 18:16:00,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 237. [2018-12-08 18:16:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-12-08 18:16:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 269 transitions. [2018-12-08 18:16:00,037 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 269 transitions. Word has length 96 [2018-12-08 18:16:00,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:00,038 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 269 transitions. [2018-12-08 18:16:00,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:16:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2018-12-08 18:16:00,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 18:16:00,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:16:00,040 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] [2018-12-08 18:16:00,040 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:16:00,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:16:00,040 INFO L82 PathProgramCache]: Analyzing trace with hash 814151554, now seen corresponding path program 1 times [2018-12-08 18:16:00,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:16:00,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:16:00,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:00,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:16:00,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:16:00,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:16:00,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:16:00,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:16:00,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:16:00,102 INFO L87 Difference]: Start difference. First operand 237 states and 269 transitions. Second operand 6 states. [2018-12-08 18:16:00,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:00,123 INFO L93 Difference]: Finished difference Result 451 states and 521 transitions. [2018-12-08 18:16:00,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:16:00,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-12-08 18:16:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:00,126 INFO L225 Difference]: With dead ends: 451 [2018-12-08 18:16:00,126 INFO L226 Difference]: Without dead ends: 242 [2018-12-08 18:16:00,127 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:16:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-12-08 18:16:00,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2018-12-08 18:16:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-12-08 18:16:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2018-12-08 18:16:00,136 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 97 [2018-12-08 18:16:00,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:00,136 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2018-12-08 18:16:00,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:16:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2018-12-08 18:16:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 18:16:00,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:16:00,138 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] [2018-12-08 18:16:00,138 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:16:00,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:16:00,138 INFO L82 PathProgramCache]: Analyzing trace with hash 741764996, now seen corresponding path program 1 times [2018-12-08 18:16:00,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:16:00,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:16:00,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:00,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:16:00,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:16:00,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 18:16:00,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 18:16:00,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 18:16:00,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:16:00,185 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 8 states. [2018-12-08 18:16:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:00,209 INFO L93 Difference]: Finished difference Result 463 states and 539 transitions. [2018-12-08 18:16:00,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:16:00,210 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2018-12-08 18:16:00,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:00,211 INFO L225 Difference]: With dead ends: 463 [2018-12-08 18:16:00,211 INFO L226 Difference]: Without dead ends: 249 [2018-12-08 18:16:00,212 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 [2018-12-08 18:16:00,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-12-08 18:16:00,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 246. [2018-12-08 18:16:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-12-08 18:16:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2018-12-08 18:16:00,224 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 97 [2018-12-08 18:16:00,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:00,224 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2018-12-08 18:16:00,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 18:16:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2018-12-08 18:16:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 18:16:00,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:16:00,225 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] [2018-12-08 18:16:00,225 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:16:00,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:16:00,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1071530757, now seen corresponding path program 1 times [2018-12-08 18:16:00,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:16:00,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:16:00,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:00,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:16:00,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:16:00,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:16:00,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:16:00,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:16:00,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:16:00,288 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 4 states. [2018-12-08 18:16:00,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:00,432 INFO L93 Difference]: Finished difference Result 720 states and 854 transitions. [2018-12-08 18:16:00,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:16:00,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-12-08 18:16:00,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:00,435 INFO L225 Difference]: With dead ends: 720 [2018-12-08 18:16:00,435 INFO L226 Difference]: Without dead ends: 502 [2018-12-08 18:16:00,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:16:00,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-12-08 18:16:00,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 493. [2018-12-08 18:16:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-12-08 18:16:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 573 transitions. [2018-12-08 18:16:00,463 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 573 transitions. Word has length 97 [2018-12-08 18:16:00,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:00,464 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 573 transitions. [2018-12-08 18:16:00,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:16:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 573 transitions. [2018-12-08 18:16:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 18:16:00,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:16:00,465 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:16:00,466 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:16:00,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:16:00,466 INFO L82 PathProgramCache]: Analyzing trace with hash -953362517, now seen corresponding path program 1 times [2018-12-08 18:16:00,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:16:00,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:16:00,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:00,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:16:00,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:16:00,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:16:00,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:16:00,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:16:00,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:16:00,553 INFO L87 Difference]: Start difference. First operand 493 states and 573 transitions. Second operand 9 states. [2018-12-08 18:16:01,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:01,104 INFO L93 Difference]: Finished difference Result 1284 states and 1562 transitions. [2018-12-08 18:16:01,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 18:16:01,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2018-12-08 18:16:01,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:01,107 INFO L225 Difference]: With dead ends: 1284 [2018-12-08 18:16:01,107 INFO L226 Difference]: Without dead ends: 892 [2018-12-08 18:16:01,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:16:01,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-12-08 18:16:01,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 816. [2018-12-08 18:16:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-12-08 18:16:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 937 transitions. [2018-12-08 18:16:01,135 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 937 transitions. Word has length 101 [2018-12-08 18:16:01,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:01,135 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 937 transitions. [2018-12-08 18:16:01,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:16:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 937 transitions. [2018-12-08 18:16:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 18:16:01,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:16:01,137 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:16:01,137 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:16:01,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:16:01,137 INFO L82 PathProgramCache]: Analyzing trace with hash 433238259, now seen corresponding path program 1 times [2018-12-08 18:16:01,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:16:01,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:16:01,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:01,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:01,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 18:16:01,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:16:01,236 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/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 [2018-12-08 18:16:01,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:01,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:16:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:16:01,480 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 18:16:01,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-12-08 18:16:01,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 18:16:01,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 18:16:01,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-12-08 18:16:01,481 INFO L87 Difference]: Start difference. First operand 816 states and 937 transitions. Second operand 16 states. [2018-12-08 18:16:02,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:02,077 INFO L93 Difference]: Finished difference Result 1799 states and 2148 transitions. [2018-12-08 18:16:02,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 18:16:02,077 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 178 [2018-12-08 18:16:02,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:02,080 INFO L225 Difference]: With dead ends: 1799 [2018-12-08 18:16:02,080 INFO L226 Difference]: Without dead ends: 1082 [2018-12-08 18:16:02,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-12-08 18:16:02,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2018-12-08 18:16:02,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 962. [2018-12-08 18:16:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2018-12-08 18:16:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1117 transitions. [2018-12-08 18:16:02,116 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1117 transitions. Word has length 178 [2018-12-08 18:16:02,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:02,116 INFO L480 AbstractCegarLoop]: Abstraction has 962 states and 1117 transitions. [2018-12-08 18:16:02,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 18:16:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1117 transitions. [2018-12-08 18:16:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 18:16:02,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:16:02,120 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:16:02,120 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:16:02,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:16:02,120 INFO L82 PathProgramCache]: Analyzing trace with hash -311790203, now seen corresponding path program 1 times [2018-12-08 18:16:02,120 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:16:02,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:16:02,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:02,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:02,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 94 proven. 9 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-12-08 18:16:02,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:16:02,235 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:16:02,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:02,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:16:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 204 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 18:16:02,508 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 18:16:02,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-12-08 18:16:02,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 18:16:02,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 18:16:02,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-08 18:16:02,509 INFO L87 Difference]: Start difference. First operand 962 states and 1117 transitions. Second operand 18 states. [2018-12-08 18:16:04,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:04,154 INFO L93 Difference]: Finished difference Result 2566 states and 3162 transitions. [2018-12-08 18:16:04,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-08 18:16:04,154 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 297 [2018-12-08 18:16:04,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:04,159 INFO L225 Difference]: With dead ends: 2566 [2018-12-08 18:16:04,159 INFO L226 Difference]: Without dead ends: 1385 [2018-12-08 18:16:04,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-12-08 18:16:04,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-12-08 18:16:04,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1281. [2018-12-08 18:16:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2018-12-08 18:16:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1473 transitions. [2018-12-08 18:16:04,230 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1473 transitions. Word has length 297 [2018-12-08 18:16:04,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:04,230 INFO L480 AbstractCegarLoop]: Abstraction has 1281 states and 1473 transitions. [2018-12-08 18:16:04,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 18:16:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1473 transitions. [2018-12-08 18:16:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 18:16:04,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:16:04,235 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:16:04,235 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:16:04,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:16:04,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1690902041, now seen corresponding path program 1 times [2018-12-08 18:16:04,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:16:04,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:16:04,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:04,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:04,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:16:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-12-08 18:16:04,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:16:04,370 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:16:04,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:16:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:16:04,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:16:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-12-08 18:16:04,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:16:04,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 18:16:04,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 18:16:04,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 18:16:04,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 18:16:04,606 INFO L87 Difference]: Start difference. First operand 1281 states and 1473 transitions. Second operand 13 states. [2018-12-08 18:16:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:16:04,647 INFO L93 Difference]: Finished difference Result 1560 states and 1784 transitions. [2018-12-08 18:16:04,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:16:04,647 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 386 [2018-12-08 18:16:04,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:16:04,648 INFO L225 Difference]: With dead ends: 1560 [2018-12-08 18:16:04,648 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:16:04,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 18:16:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:16:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:16:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:16:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:16:04,650 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 386 [2018-12-08 18:16:04,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:16:04,650 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:16:04,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 18:16:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:16:04,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:16:04,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:16:04,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:04,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:16:05,489 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-12-08 18:16:05,848 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-12-08 18:16:06,603 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-12-08 18:16:06,991 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2018-12-08 18:16:06,991 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2018-12-08 18:16:06,991 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2018-12-08 18:16:06,991 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-12-08 18:16:06,992 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 793) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse4 .cse0 .cse5) (or .cse2 .cse0 .cse3 .cse5 .cse4))) [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L448 ceAbstractionStarter]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2018-12-08 18:16:06,992 INFO L451 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2018-12-08 18:16:06,993 INFO L448 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-12-08 18:16:06,993 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,993 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2018-12-08 18:16:06,993 INFO L444 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,993 INFO L444 ceAbstractionStarter]: At program point L886-1(line 886) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,993 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2018-12-08 18:16:06,993 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2018-12-08 18:16:06,993 INFO L448 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2018-12-08 18:16:06,993 INFO L444 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,993 INFO L444 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,993 INFO L444 ceAbstractionStarter]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L451 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: true [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2018-12-08 18:16:06,994 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2018-12-08 18:16:06,995 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,995 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2018-12-08 18:16:06,995 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2018-12-08 18:16:06,995 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,995 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2018-12-08 18:16:06,995 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2018-12-08 18:16:06,995 INFO L451 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-12-08 18:16:06,995 INFO L448 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-12-08 18:16:06,995 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2018-12-08 18:16:06,995 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-08 18:16:06,995 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point L990(lines 990 996) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 529) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 18:16:06,996 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 18:16:06,996 INFO L444 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 524) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L444 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 18:16:06,996 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2018-12-08 18:16:06,996 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2018-12-08 18:16:06,997 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 685 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L444 ceAbstractionStarter]: At program point L731-2(lines 725 736) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L696(lines 695 740) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 736) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L444 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L715(lines 715 721) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L444 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-12-08 18:16:06,997 INFO L444 ceAbstractionStarter]: At program point L738(lines 695 740) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L705(lines 705 711) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L444 ceAbstractionStarter]: At program point L741(lines 694 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2018-12-08 18:16:06,997 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 18:16:06,998 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L451 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: true [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2018-12-08 18:16:06,998 INFO L451 ceAbstractionStarter]: At program point L827(lines 802 831) the Hoare annotation is: true [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-12-08 18:16:06,998 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L451 ceAbstractionStarter]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L451 ceAbstractionStarter]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2018-12-08 18:16:06,999 INFO L451 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L444 ceAbstractionStarter]: At program point L437(line 437) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-12-08 18:16:06,999 INFO L444 ceAbstractionStarter]: At program point L435(lines 435 441) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-12-08 18:16:06,999 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-12-08 18:16:06,999 INFO L444 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point L428(lines 424 446) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point L426(lines 424 446) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L448 ceAbstractionStarter]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2018-12-08 18:16:06,999 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 18:16:07,000 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L444 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L444 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-08 18:16:07,000 INFO L444 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 472) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 477) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2018-12-08 18:16:07,000 INFO L448 ceAbstractionStarter]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 18:16:07,001 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L444 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 18:16:07,001 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~4 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 498) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point L488-1(line 488) no Hoare annotation was computed. [2018-12-08 18:16:07,001 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 503) no Hoare annotation was computed. [2018-12-08 18:16:07,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:16:07 BoogieIcfgContainer [2018-12-08 18:16:07,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:16:07,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:16:07,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:16:07,010 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:16:07,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:15:58" (3/4) ... [2018-12-08 18:16:07,013 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 18:16:07,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 18:16:07,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:16:07,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 18:16:07,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 18:16:07,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 18:16:07,024 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 18:16:07,024 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 18:16:07,025 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 18:16:07,025 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 18:16:07,025 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:16:07,026 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:16:07,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-08 18:16:07,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-08 18:16:07,070 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_897a8f41-4682-40e6-af26-dd37c835219b/bin-2019/uautomizer/witness.graphml [2018-12-08 18:16:07,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:16:07,071 INFO L168 Benchmark]: Toolchain (without parser) took 9221.61 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 406.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:16:07,071 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:16:07,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:16:07,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.09 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. [2018-12-08 18:16:07,072 INFO L168 Benchmark]: Boogie Preprocessor took 23.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:16:07,072 INFO L168 Benchmark]: RCFGBuilder took 357.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-08 18:16:07,072 INFO L168 Benchmark]: TraceAbstraction took 8448.83 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 300.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -41.2 MB). Peak memory consumption was 453.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:16:07,072 INFO L168 Benchmark]: Witness Printer took 61.14 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:16:07,073 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.09 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 23.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 357.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8448.83 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 300.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -41.2 MB). Peak memory consumption was 453.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.14 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 169 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2546 SDtfs, 2662 SDslu, 7770 SDs, 0 SdLazy, 6005 SolverSat, 1464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1054 GetRequests, 913 SyntacticMatches, 5 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1281occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 348 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2130 PreInvPairs, 2201 NumberOfFragments, 1894 HoareAnnotationTreeSize, 2130 FomulaSimplifications, 9846 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14581 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2475 NumberOfCodeBlocks, 2475 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2460 ConstructedInterpolants, 0 QuantifiedInterpolants, 789105 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3612 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1752/1807 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...