./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 59e8ffce74c1b6945f19c84278937c63a4a3dd33 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:45:48,041 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:48,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:48,058 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:48,059 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:48,060 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:48,061 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:48,063 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:48,064 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:48,065 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:48,066 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:48,066 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:48,067 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:48,068 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:48,069 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:48,070 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:48,071 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:48,073 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:48,075 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:48,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:48,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:48,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:48,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:48,085 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:48,085 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:48,086 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:48,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:48,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:48,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:48,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:48,094 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:48,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:48,098 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:48,098 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:48,099 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:48,100 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:48,100 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:48,130 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:48,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:48,131 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:48,131 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:48,132 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:48,132 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:48,132 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:48,132 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:48,133 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:48,133 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:48,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:48,134 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:48,134 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:48,134 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:48,134 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:48,134 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:48,135 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:48,135 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:48,135 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:48,135 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:48,135 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:48,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:48,137 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:48,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:48,138 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:48,138 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:48,138 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:48,138 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:48,138 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:48,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:48,139 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2018-11-28 18:45:48,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:48,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:48,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:48,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:48,200 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:48,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:48,270 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ec0e3127/b94c2552f1714230a3bef927c66acc48/FLAG047c0c811 [2018-11-28 18:45:48,839 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:48,839 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:48,873 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ec0e3127/b94c2552f1714230a3bef927c66acc48/FLAG047c0c811 [2018-11-28 18:45:49,069 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ec0e3127/b94c2552f1714230a3bef927c66acc48 [2018-11-28 18:45:49,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:49,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:49,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:49,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:49,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:49,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719cbf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49, skipping insertion in model container [2018-11-28 18:45:49,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:49,171 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:49,627 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:49,641 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:49,799 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:49,848 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:49,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49 WrapperNode [2018-11-28 18:45:49,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:49,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:49,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:49,850 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:49,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:49,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:49,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:49,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:49,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... [2018-11-28 18:45:49,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:49,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:49,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:49,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:49,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:45:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:45:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:45:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:45:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:45:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:45:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:45:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:45:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:45:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:45:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:45:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:45:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:51,113 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:51,113 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:51,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:51 BoogieIcfgContainer [2018-11-28 18:45:51,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:51,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:51,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:51,118 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:51,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:49" (1/3) ... [2018-11-28 18:45:51,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc48078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:51, skipping insertion in model container [2018-11-28 18:45:51,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:49" (2/3) ... [2018-11-28 18:45:51,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc48078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:51, skipping insertion in model container [2018-11-28 18:45:51,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:51" (3/3) ... [2018-11-28 18:45:51,122 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:51,137 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:51,146 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:51,165 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:51,198 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:51,199 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:51,199 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:51,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:51,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:51,201 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:51,202 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:51,202 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:51,202 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-28 18:45:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:51,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:51,248 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:51,251 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:51,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:51,259 INFO L82 PathProgramCache]: Analyzing trace with hash -2001401742, now seen corresponding path program 1 times [2018-11-28 18:45:51,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:51,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:51,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:51,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:51,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:51,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:51,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:51,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:51,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:51,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:51,626 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-28 18:45:51,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:51,678 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-11-28 18:45:51,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:51,680 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:45:51,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:51,697 INFO L225 Difference]: With dead ends: 306 [2018-11-28 18:45:51,697 INFO L226 Difference]: Without dead ends: 153 [2018-11-28 18:45:51,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:51,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-28 18:45:51,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-28 18:45:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-28 18:45:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-11-28 18:45:51,789 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2018-11-28 18:45:51,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:51,790 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-11-28 18:45:51,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-11-28 18:45:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:45:51,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:51,801 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:51,801 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:51,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:51,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1725615412, now seen corresponding path program 1 times [2018-11-28 18:45:51,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:51,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:51,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:51,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:51,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:52,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:52,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:52,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:52,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:52,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:52,014 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-11-28 18:45:52,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:52,090 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2018-11-28 18:45:52,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:52,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:45:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:52,094 INFO L225 Difference]: With dead ends: 251 [2018-11-28 18:45:52,095 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 18:45:52,097 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 18:45:52,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 18:45:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 18:45:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-11-28 18:45:52,137 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2018-11-28 18:45:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:52,137 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-11-28 18:45:52,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-11-28 18:45:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 18:45:52,147 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:52,147 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:52,147 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:52,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:52,148 INFO L82 PathProgramCache]: Analyzing trace with hash -625581009, now seen corresponding path program 1 times [2018-11-28 18:45:52,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:52,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:52,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:52,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:52,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:52,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:52,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:52,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:52,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:52,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:52,517 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-11-28 18:45:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:53,793 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-11-28 18:45:53,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:53,794 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 18:45:53,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:53,797 INFO L225 Difference]: With dead ends: 264 [2018-11-28 18:45:53,797 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 18:45:53,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:53,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 18:45:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 18:45:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 18:45:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-28 18:45:53,816 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2018-11-28 18:45:53,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:53,816 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-28 18:45:53,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-28 18:45:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-28 18:45:53,820 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:53,820 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:53,820 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:53,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:53,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1965916871, now seen corresponding path program 1 times [2018-11-28 18:45:53,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:53,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:53,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:53,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:54,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:54,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:54,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:54,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:54,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:54,044 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-11-28 18:45:55,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:55,355 INFO L93 Difference]: Finished difference Result 383 states and 463 transitions. [2018-11-28 18:45:55,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:55,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-28 18:45:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:55,360 INFO L225 Difference]: With dead ends: 383 [2018-11-28 18:45:55,360 INFO L226 Difference]: Without dead ends: 263 [2018-11-28 18:45:55,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-11-28 18:45:55,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 244. [2018-11-28 18:45:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-11-28 18:45:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 277 transitions. [2018-11-28 18:45:55,392 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 277 transitions. Word has length 76 [2018-11-28 18:45:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:55,392 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 277 transitions. [2018-11-28 18:45:55,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 277 transitions. [2018-11-28 18:45:55,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-28 18:45:55,395 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:55,395 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:55,396 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:55,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:55,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1982144752, now seen corresponding path program 1 times [2018-11-28 18:45:55,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:55,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:55,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:55,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:55,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:55,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:55,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:55,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:55,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:55,550 INFO L87 Difference]: Start difference. First operand 244 states and 277 transitions. Second operand 6 states. [2018-11-28 18:45:55,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:55,815 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2018-11-28 18:45:55,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:55,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-28 18:45:55,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:55,826 INFO L225 Difference]: With dead ends: 591 [2018-11-28 18:45:55,826 INFO L226 Difference]: Without dead ends: 371 [2018-11-28 18:45:55,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-11-28 18:45:55,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-11-28 18:45:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-28 18:45:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 422 transitions. [2018-11-28 18:45:55,874 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 422 transitions. Word has length 90 [2018-11-28 18:45:55,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:55,874 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 422 transitions. [2018-11-28 18:45:55,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 422 transitions. [2018-11-28 18:45:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-28 18:45:55,878 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:55,878 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:55,878 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:55,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:55,879 INFO L82 PathProgramCache]: Analyzing trace with hash 685565194, now seen corresponding path program 1 times [2018-11-28 18:45:55,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:55,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:55,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:55,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:56,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:56,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:56,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:56,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:56,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:56,206 INFO L87 Difference]: Start difference. First operand 367 states and 422 transitions. Second operand 6 states. [2018-11-28 18:45:56,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:56,615 INFO L93 Difference]: Finished difference Result 802 states and 959 transitions. [2018-11-28 18:45:56,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:56,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-28 18:45:56,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:56,623 INFO L225 Difference]: With dead ends: 802 [2018-11-28 18:45:56,624 INFO L226 Difference]: Without dead ends: 582 [2018-11-28 18:45:56,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:56,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2018-11-28 18:45:56,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2018-11-28 18:45:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-28 18:45:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 664 transitions. [2018-11-28 18:45:56,676 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 664 transitions. Word has length 94 [2018-11-28 18:45:56,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:56,676 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 664 transitions. [2018-11-28 18:45:56,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:56,676 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 664 transitions. [2018-11-28 18:45:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-28 18:45:56,679 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:56,679 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:56,679 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:56,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:56,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1250095093, now seen corresponding path program 1 times [2018-11-28 18:45:56,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:56,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:56,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:56,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:56,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:56,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:56,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:56,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:56,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:56,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:56,901 INFO L87 Difference]: Start difference. First operand 564 states and 664 transitions. Second operand 5 states. [2018-11-28 18:45:56,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:56,966 INFO L93 Difference]: Finished difference Result 991 states and 1193 transitions. [2018-11-28 18:45:56,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:45:56,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-11-28 18:45:56,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:56,977 INFO L225 Difference]: With dead ends: 991 [2018-11-28 18:45:56,977 INFO L226 Difference]: Without dead ends: 574 [2018-11-28 18:45:56,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:56,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-11-28 18:45:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2018-11-28 18:45:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-11-28 18:45:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 667 transitions. [2018-11-28 18:45:57,041 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 667 transitions. Word has length 94 [2018-11-28 18:45:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:57,041 INFO L480 AbstractCegarLoop]: Abstraction has 568 states and 667 transitions. [2018-11-28 18:45:57,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 667 transitions. [2018-11-28 18:45:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-28 18:45:57,050 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:57,050 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:57,050 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:57,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:57,052 INFO L82 PathProgramCache]: Analyzing trace with hash -590563571, now seen corresponding path program 1 times [2018-11-28 18:45:57,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:57,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:57,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:57,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:57,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:57,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:57,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:45:57,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:45:57,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:45:57,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:57,728 INFO L87 Difference]: Start difference. First operand 568 states and 667 transitions. Second operand 9 states. [2018-11-28 18:45:57,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:57,917 INFO L93 Difference]: Finished difference Result 1116 states and 1338 transitions. [2018-11-28 18:45:57,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:57,921 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-11-28 18:45:57,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:57,926 INFO L225 Difference]: With dead ends: 1116 [2018-11-28 18:45:57,926 INFO L226 Difference]: Without dead ends: 572 [2018-11-28 18:45:57,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:57,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-11-28 18:45:57,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-11-28 18:45:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-11-28 18:45:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 663 transitions. [2018-11-28 18:45:57,972 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 663 transitions. Word has length 94 [2018-11-28 18:45:57,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:57,973 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 663 transitions. [2018-11-28 18:45:57,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:45:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 663 transitions. [2018-11-28 18:45:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 18:45:57,976 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:57,976 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:57,976 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:57,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:57,978 INFO L82 PathProgramCache]: Analyzing trace with hash -312273476, now seen corresponding path program 1 times [2018-11-28 18:45:57,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:57,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:57,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:57,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:57,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:58,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:58,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:45:58,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:45:58,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:45:58,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:58,573 INFO L87 Difference]: Start difference. First operand 566 states and 663 transitions. Second operand 10 states. [2018-11-28 18:46:00,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:00,096 INFO L93 Difference]: Finished difference Result 1114 states and 1308 transitions. [2018-11-28 18:46:00,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:46:00,098 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-11-28 18:46:00,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:00,103 INFO L225 Difference]: With dead ends: 1114 [2018-11-28 18:46:00,104 INFO L226 Difference]: Without dead ends: 572 [2018-11-28 18:46:00,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:46:00,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-11-28 18:46:00,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 551. [2018-11-28 18:46:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2018-11-28 18:46:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 628 transitions. [2018-11-28 18:46:00,138 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 628 transitions. Word has length 95 [2018-11-28 18:46:00,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:00,138 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 628 transitions. [2018-11-28 18:46:00,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 628 transitions. [2018-11-28 18:46:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-28 18:46:00,142 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:00,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:00,143 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:00,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:00,143 INFO L82 PathProgramCache]: Analyzing trace with hash 267209549, now seen corresponding path program 1 times [2018-11-28 18:46:00,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:00,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:00,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:00,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:00,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:46:00,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:00,534 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:00,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:00,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:46:01,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:01,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 18:46:01,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:01,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:01,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:01,816 INFO L87 Difference]: Start difference. First operand 551 states and 628 transitions. Second operand 12 states. [2018-11-28 18:46:07,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:07,703 INFO L93 Difference]: Finished difference Result 1525 states and 1873 transitions. [2018-11-28 18:46:07,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 18:46:07,703 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2018-11-28 18:46:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:07,710 INFO L225 Difference]: With dead ends: 1525 [2018-11-28 18:46:07,710 INFO L226 Difference]: Without dead ends: 1075 [2018-11-28 18:46:07,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-28 18:46:07,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2018-11-28 18:46:07,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 981. [2018-11-28 18:46:07,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2018-11-28 18:46:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1140 transitions. [2018-11-28 18:46:07,795 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1140 transitions. Word has length 143 [2018-11-28 18:46:07,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:07,796 INFO L480 AbstractCegarLoop]: Abstraction has 981 states and 1140 transitions. [2018-11-28 18:46:07,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1140 transitions. [2018-11-28 18:46:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-28 18:46:07,798 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:07,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:07,799 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:07,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:07,799 INFO L82 PathProgramCache]: Analyzing trace with hash -560188059, now seen corresponding path program 1 times [2018-11-28 18:46:07,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:07,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:07,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:07,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:07,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:46:08,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:08,114 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:08,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:08,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 18:46:08,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:08,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:46:08,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:46:08,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:46:08,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:46:08,362 INFO L87 Difference]: Start difference. First operand 981 states and 1140 transitions. Second operand 11 states. [2018-11-28 18:46:08,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:08,455 INFO L93 Difference]: Finished difference Result 1746 states and 2055 transitions. [2018-11-28 18:46:08,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:46:08,457 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2018-11-28 18:46:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:08,463 INFO L225 Difference]: With dead ends: 1746 [2018-11-28 18:46:08,463 INFO L226 Difference]: Without dead ends: 859 [2018-11-28 18:46:08,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:46:08,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2018-11-28 18:46:08,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2018-11-28 18:46:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2018-11-28 18:46:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 993 transitions. [2018-11-28 18:46:08,554 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 993 transitions. Word has length 139 [2018-11-28 18:46:08,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:08,554 INFO L480 AbstractCegarLoop]: Abstraction has 859 states and 993 transitions. [2018-11-28 18:46:08,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:46:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 993 transitions. [2018-11-28 18:46:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-28 18:46:08,559 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:08,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:08,560 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:08,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:08,560 INFO L82 PathProgramCache]: Analyzing trace with hash -752833622, now seen corresponding path program 1 times [2018-11-28 18:46:08,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:08,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:08,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:08,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:08,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:46:09,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:09,123 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:09,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:09,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:46:10,005 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:10,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 18:46:10,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 18:46:10,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 18:46:10,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 18:46:10,006 INFO L87 Difference]: Start difference. First operand 859 states and 993 transitions. Second operand 15 states. [2018-11-28 18:46:15,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:15,275 INFO L93 Difference]: Finished difference Result 3033 states and 4166 transitions. [2018-11-28 18:46:15,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 18:46:15,277 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2018-11-28 18:46:15,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:15,279 INFO L225 Difference]: With dead ends: 3033 [2018-11-28 18:46:15,279 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:15,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 18:46:15,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:15,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:15,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:15,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2018-11-28 18:46:15,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:15,292 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:15,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 18:46:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:15,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:15,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:15,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,636 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 69 [2018-11-28 18:46:15,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,388 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 69 [2018-11-28 18:46:16,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,636 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 69 [2018-11-28 18:46:17,760 WARN L180 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 18:46:17,880 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 1 [2018-11-28 18:46:18,262 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2018-11-28 18:46:18,381 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2018-11-28 18:46:18,661 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 1 [2018-11-28 18:46:20,079 WARN L180 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:20,296 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 18:46:20,523 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2018-11-28 18:46:22,415 WARN L180 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-11-28 18:46:23,239 WARN L180 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2018-11-28 18:46:23,416 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:23,565 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2018-11-28 18:46:24,383 WARN L180 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-11-28 18:46:24,493 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2018-11-28 18:46:24,732 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2018-11-28 18:46:24,942 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:25,309 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-11-28 18:46:25,584 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-28 18:46:25,788 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:25,892 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:26,184 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-28 18:46:26,331 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:26,542 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-11-28 18:46:26,773 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 18:46:26,968 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2018-11-28 18:46:27,200 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2018-11-28 18:46:27,406 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2018-11-28 18:46:27,599 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 18:46:27,772 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2018-11-28 18:46:27,919 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:28,285 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-11-28 18:46:28,649 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 18:46:28,795 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 1 [2018-11-28 18:46:29,590 WARN L180 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-28 18:46:29,907 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 18:46:29,911 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-11-28 18:46:29,911 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-11-28 18:46:29,911 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-11-28 18:46:29,911 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-11-28 18:46:29,911 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-11-28 18:46:29,911 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:29,911 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2018-11-28 18:46:29,912 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:46:29,912 INFO L444 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:46:29,912 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2018-11-28 18:46:29,912 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2018-11-28 18:46:29,912 INFO L448 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-28 18:46:29,913 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2018-11-28 18:46:29,913 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:29,913 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:29,913 INFO L444 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:29,913 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2018-11-28 18:46:29,913 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2018-11-28 18:46:29,913 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2018-11-28 18:46:29,913 INFO L448 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-28 18:46:29,914 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2018-11-28 18:46:29,919 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2018-11-28 18:46:29,919 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2018-11-28 18:46:29,919 INFO L451 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-11-28 18:46:29,919 INFO L448 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2018-11-28 18:46:29,919 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2018-11-28 18:46:29,919 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-11-28 18:46:29,919 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-11-28 18:46:29,920 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:29,920 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2018-11-28 18:46:29,920 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2018-11-28 18:46:29,920 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2018-11-28 18:46:29,920 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-28 18:46:29,920 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-28 18:46:29,920 INFO L451 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-11-28 18:46:29,920 INFO L448 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-11-28 18:46:29,920 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:46:29,920 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2018-11-28 18:46:29,920 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2018-11-28 18:46:29,921 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,921 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2018-11-28 18:46:29,921 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,921 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-28 18:46:29,921 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2018-11-28 18:46:29,921 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2018-11-28 18:46:29,921 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,921 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:46:29,921 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2018-11-28 18:46:29,922 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,927 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:46:29,928 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-28 18:46:29,928 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-28 18:46:29,928 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:46:29,928 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-11-28 18:46:29,928 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-11-28 18:46:29,928 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:29,928 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:29,928 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-11-28 18:46:29,928 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-11-28 18:46:29,929 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-11-28 18:46:29,929 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:29,929 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:29,929 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-28 18:46:29,929 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-28 18:46:29,929 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-28 18:46:29,929 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:29,929 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-28 18:46:29,929 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-11-28 18:46:29,930 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:46:29,930 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,930 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,930 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L451 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-28 18:46:29,931 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-28 18:46:29,932 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:46:29,932 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse6 .cse7)))) [2018-11-28 18:46:29,932 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:46:29,932 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse3 .cse2 .cse4 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse5)) (or .cse1 (and (<= ~waterLevel~0 1) .cse5) .cse2) (or .cse6 .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse6)))) [2018-11-28 18:46:29,932 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse5) (or .cse6 .cse1 .cse4)))) [2018-11-28 18:46:29,932 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-28 18:46:29,933 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-11-28 18:46:29,933 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-28 18:46:29,933 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-11-28 18:46:29,934 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-11-28 18:46:29,934 INFO L451 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2018-11-28 18:46:29,934 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2018-11-28 18:46:29,934 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-28 18:46:29,934 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-28 18:46:29,934 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2018-11-28 18:46:29,934 INFO L451 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2018-11-28 18:46:29,934 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-28 18:46:29,934 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-11-28 18:46:29,934 INFO L451 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2018-11-28 18:46:29,934 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-28 18:46:29,935 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-28 18:46:29,935 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:46:29,935 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:46:29,935 INFO L444 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-28 18:46:29,935 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2018-11-28 18:46:29,935 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-11-28 18:46:29,935 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2018-11-28 18:46:29,935 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) .cse3 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1))) [2018-11-28 18:46:29,935 INFO L448 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-11-28 18:46:29,935 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-11-28 18:46:29,935 INFO L448 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2018-11-28 18:46:29,943 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3))) [2018-11-28 18:46:29,943 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-28 18:46:29,943 INFO L448 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2018-11-28 18:46:29,943 INFO L451 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2018-11-28 18:46:29,943 INFO L448 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2018-11-28 18:46:29,943 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-28 18:46:29,943 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:46:29,943 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:46:29,944 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2018-11-28 18:46:29,944 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2018-11-28 18:46:29,944 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,944 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 18:46:29,944 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:29,944 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,944 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,946 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-11-28 18:46:29,946 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,946 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-11-28 18:46:29,946 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse0) (or (or (<= 2 ~waterLevel~0) .cse1 .cse0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 18:46:29,946 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 18:46:29,946 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-28 18:46:29,946 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:46:29,946 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-11-28 18:46:29,947 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-11-28 18:46:29,947 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-28 18:46:29,947 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse2 .cse1))) [2018-11-28 18:46:29,947 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-28 18:46:29,947 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:46:29,947 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:46:29,947 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-28 18:46:29,947 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-28 18:46:29,947 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2018-11-28 18:46:29,948 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2018-11-28 18:46:29,948 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-28 18:46:29,948 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-28 18:46:29,948 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2018-11-28 18:46:29,948 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-28 18:46:29,948 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-11-28 18:46:29,948 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-11-28 18:46:29,948 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,948 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,949 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-11-28 18:46:29,952 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:29,952 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-28 18:46:29,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:29 BoogieIcfgContainer [2018-11-28 18:46:29,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:29,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:29,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:29,972 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:29,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:51" (3/4) ... [2018-11-28 18:46:29,978 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:29,985 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:29,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:29,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:29,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:29,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:46:29,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:46:29,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:29,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:29,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:29,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:46:29,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:29,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:29,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:46:29,999 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 18:46:30,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:46:30,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:46:30,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:30,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:30,004 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:30,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:30,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:30,102 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:30,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:30,104 INFO L168 Benchmark]: Toolchain (without parser) took 41029.73 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.2 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -252.3 MB). Peak memory consumption was 193.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:30,105 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:30,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:30,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:30,107 INFO L168 Benchmark]: Boogie Preprocessor took 61.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:30,107 INFO L168 Benchmark]: RCFGBuilder took 1131.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:30,107 INFO L168 Benchmark]: TraceAbstraction took 38856.67 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.6 MB). Peak memory consumption was 556.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:30,107 INFO L168 Benchmark]: Witness Printer took 130.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:30,112 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 772.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1131.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38856.67 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.6 MB). Peak memory consumption was 556.4 MB. Max. memory is 11.5 GB. * Witness Printer took 130.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 38.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 16.5s AutomataDifference, 0.0s DeadEndRemovalTime, 14.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2343 SDtfs, 2269 SDslu, 7950 SDs, 0 SdLazy, 6178 SolverSat, 1309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 596 GetRequests, 469 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=981occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3070 PreInvPairs, 3651 NumberOfFragments, 1838 HoareAnnotationTreeSize, 3070 FomulaSimplifications, 13931 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 69 FomulaSimplificationsInter, 37002 FormulaSimplificationTreeSizeReductionInter, 12.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1556 NumberOfCodeBlocks, 1556 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1541 ConstructedInterpolants, 0 QuantifiedInterpolants, 273812 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2546 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 170/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...