./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product45_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_spec2_product45_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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:44:30,049 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:30,050 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:30,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:30,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:30,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:30,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:30,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:30,074 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:30,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:30,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:30,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:30,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:30,083 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:30,084 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:30,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:30,085 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:30,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:30,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:30,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:30,093 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:30,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:30,096 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:30,097 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:30,097 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:30,098 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:30,099 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:30,100 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:30,101 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:30,102 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:30,102 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:30,103 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:30,103 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:30,104 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:30,105 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:30,105 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:30,106 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:30,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:30,127 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:30,128 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:30,128 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:30,128 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:30,129 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:30,129 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:30,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:30,130 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:30,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:30,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:30,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:30,130 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:30,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:30,131 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:30,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:30,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:30,131 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:30,132 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:30,133 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:30,133 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:30,134 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:30,134 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:30,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:30,134 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:30,134 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:30,135 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:30,136 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:30,136 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:30,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:30,136 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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2018-11-28 18:44:30,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:30,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:30,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:30,203 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:30,203 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:30,204 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:30,272 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4c11af/d69fe22bee774c67b1a84d7ab8fdd6d4/FLAGa1b9fcfc9 [2018-11-28 18:44:30,845 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:30,845 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:30,870 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4c11af/d69fe22bee774c67b1a84d7ab8fdd6d4/FLAGa1b9fcfc9 [2018-11-28 18:44:31,092 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4c11af/d69fe22bee774c67b1a84d7ab8fdd6d4 [2018-11-28 18:44:31,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:31,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:31,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:31,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:31,104 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:31,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31, skipping insertion in model container [2018-11-28 18:44:31,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:31,191 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:31,579 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:31,601 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:31,726 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:31,775 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:31,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31 WrapperNode [2018-11-28 18:44:31,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:31,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:31,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:31,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:31,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:31,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:31,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:31,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:31,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (1/1) ... [2018-11-28 18:44:31,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:31,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:31,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:31,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:31,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (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 18:44:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:44:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:44:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:44:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:44:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:44:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:44:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:44:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:44:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:33,258 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:33,261 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:33,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:33 BoogieIcfgContainer [2018-11-28 18:44:33,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:33,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:33,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:33,269 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:33,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:31" (1/3) ... [2018-11-28 18:44:33,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162a9868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:33, skipping insertion in model container [2018-11-28 18:44:33,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:31" (2/3) ... [2018-11-28 18:44:33,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162a9868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:33, skipping insertion in model container [2018-11-28 18:44:33,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:33" (3/3) ... [2018-11-28 18:44:33,275 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:33,286 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:33,294 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:33,311 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:33,344 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:33,345 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:33,345 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:33,345 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:33,345 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:33,345 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:33,346 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:33,346 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:33,346 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:33,385 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2018-11-28 18:44:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:33,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:33,401 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:33,404 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:33,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:33,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2057341434, now seen corresponding path program 1 times [2018-11-28 18:44:33,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:33,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:33,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:33,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:33,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:33,793 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 18:44:33,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:33,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:33,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:33,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:33,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:33,817 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2018-11-28 18:44:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:33,865 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2018-11-28 18:44:33,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:33,866 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:33,880 INFO L225 Difference]: With dead ends: 266 [2018-11-28 18:44:33,880 INFO L226 Difference]: Without dead ends: 135 [2018-11-28 18:44:33,885 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 18:44:33,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-28 18:44:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-28 18:44:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-28 18:44:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2018-11-28 18:44:33,953 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2018-11-28 18:44:33,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:33,954 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2018-11-28 18:44:33,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2018-11-28 18:44:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:33,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:33,959 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 18:44:33,960 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:33,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:33,960 INFO L82 PathProgramCache]: Analyzing trace with hash 886643026, now seen corresponding path program 1 times [2018-11-28 18:44:33,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:33,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:33,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:33,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:33,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:34,184 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 18:44:34,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:34,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:34,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:34,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:34,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:34,189 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2018-11-28 18:44:34,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:34,242 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2018-11-28 18:44:34,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:34,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:34,246 INFO L225 Difference]: With dead ends: 215 [2018-11-28 18:44:34,246 INFO L226 Difference]: Without dead ends: 126 [2018-11-28 18:44:34,248 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 18:44:34,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-28 18:44:34,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-28 18:44:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-28 18:44:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2018-11-28 18:44:34,267 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2018-11-28 18:44:34,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:34,268 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2018-11-28 18:44:34,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2018-11-28 18:44:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 18:44:34,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:34,272 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] [2018-11-28 18:44:34,272 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:34,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:34,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1831062250, now seen corresponding path program 1 times [2018-11-28 18:44:34,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:34,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:34,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:34,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:34,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:34,553 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 18:44:34,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:34,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:34,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:34,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:34,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:34,555 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 7 states. [2018-11-28 18:44:35,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:35,219 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2018-11-28 18:44:35,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:35,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 18:44:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:35,225 INFO L225 Difference]: With dead ends: 224 [2018-11-28 18:44:35,225 INFO L226 Difference]: Without dead ends: 126 [2018-11-28 18:44:35,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:35,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-28 18:44:35,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-28 18:44:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-28 18:44:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-11-28 18:44:35,268 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2018-11-28 18:44:35,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:35,269 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-11-28 18:44:35,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-11-28 18:44:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 18:44:35,274 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:35,274 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:35,275 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:35,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:35,275 INFO L82 PathProgramCache]: Analyzing trace with hash -50523387, now seen corresponding path program 1 times [2018-11-28 18:44:35,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:35,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:35,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:35,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:35,575 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 18:44:35,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:35,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:44:35,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:44:35,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:44:35,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:44:35,577 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2018-11-28 18:44:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:36,947 INFO L93 Difference]: Finished difference Result 327 states and 398 transitions. [2018-11-28 18:44:36,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:36,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 18:44:36,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:36,953 INFO L225 Difference]: With dead ends: 327 [2018-11-28 18:44:36,953 INFO L226 Difference]: Without dead ends: 229 [2018-11-28 18:44:36,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 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 18:44:36,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-28 18:44:36,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2018-11-28 18:44:36,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-28 18:44:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 243 transitions. [2018-11-28 18:44:36,992 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 243 transitions. Word has length 69 [2018-11-28 18:44:36,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:36,993 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 243 transitions. [2018-11-28 18:44:36,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:44:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 243 transitions. [2018-11-28 18:44:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:44:36,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:36,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:36,998 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:36,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:36,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1952348736, now seen corresponding path program 1 times [2018-11-28 18:44:36,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:37,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:37,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:37,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:37,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:37,196 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 18:44:37,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:37,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:37,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:37,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:37,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:37,198 INFO L87 Difference]: Start difference. First operand 211 states and 243 transitions. Second operand 6 states. [2018-11-28 18:44:37,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:37,585 INFO L93 Difference]: Finished difference Result 559 states and 665 transitions. [2018-11-28 18:44:37,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:37,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 18:44:37,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:37,593 INFO L225 Difference]: With dead ends: 559 [2018-11-28 18:44:37,594 INFO L226 Difference]: Without dead ends: 376 [2018-11-28 18:44:37,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:37,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-11-28 18:44:37,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 370. [2018-11-28 18:44:37,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-11-28 18:44:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 426 transitions. [2018-11-28 18:44:37,640 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 426 transitions. Word has length 83 [2018-11-28 18:44:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:37,641 INFO L480 AbstractCegarLoop]: Abstraction has 370 states and 426 transitions. [2018-11-28 18:44:37,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 426 transitions. [2018-11-28 18:44:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 18:44:37,646 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:37,646 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] [2018-11-28 18:44:37,646 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:37,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:37,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1133774980, now seen corresponding path program 1 times [2018-11-28 18:44:37,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:37,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:37,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:37,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:37,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:37,932 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 18:44:37,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:37,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:37,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:37,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:37,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:37,936 INFO L87 Difference]: Start difference. First operand 370 states and 426 transitions. Second operand 7 states. [2018-11-28 18:44:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:38,929 INFO L93 Difference]: Finished difference Result 741 states and 876 transitions. [2018-11-28 18:44:38,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:44:38,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-28 18:44:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:38,934 INFO L225 Difference]: With dead ends: 741 [2018-11-28 18:44:38,935 INFO L226 Difference]: Without dead ends: 399 [2018-11-28 18:44:38,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:44:38,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-28 18:44:38,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 369. [2018-11-28 18:44:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-11-28 18:44:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 423 transitions. [2018-11-28 18:44:38,970 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 423 transitions. Word has length 87 [2018-11-28 18:44:38,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:38,970 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 423 transitions. [2018-11-28 18:44:38,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 423 transitions. [2018-11-28 18:44:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:44:38,974 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:38,974 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:38,974 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:38,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:38,975 INFO L82 PathProgramCache]: Analyzing trace with hash 342193107, now seen corresponding path program 1 times [2018-11-28 18:44:38,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:38,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:38,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:38,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:38,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:39,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:39,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:39,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:39,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:39,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:39,398 INFO L87 Difference]: Start difference. First operand 369 states and 423 transitions. Second operand 6 states. [2018-11-28 18:44:39,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:39,704 INFO L93 Difference]: Finished difference Result 724 states and 850 transitions. [2018-11-28 18:44:39,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:39,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-28 18:44:39,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:39,711 INFO L225 Difference]: With dead ends: 724 [2018-11-28 18:44:39,713 INFO L226 Difference]: Without dead ends: 383 [2018-11-28 18:44:39,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:39,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-28 18:44:39,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2018-11-28 18:44:39,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-28 18:44:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2018-11-28 18:44:39,757 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 103 [2018-11-28 18:44:39,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:39,759 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2018-11-28 18:44:39,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2018-11-28 18:44:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:44:39,763 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:39,763 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:39,764 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:39,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:39,765 INFO L82 PathProgramCache]: Analyzing trace with hash -2024501487, now seen corresponding path program 1 times [2018-11-28 18:44:39,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:39,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:39,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:39,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:39,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:40,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:40,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:44:40,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:44:40,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:44:40,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:40,050 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 8 states. [2018-11-28 18:44:40,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:40,168 INFO L93 Difference]: Finished difference Result 744 states and 872 transitions. [2018-11-28 18:44:40,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:40,170 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-28 18:44:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:40,174 INFO L225 Difference]: With dead ends: 744 [2018-11-28 18:44:40,174 INFO L226 Difference]: Without dead ends: 393 [2018-11-28 18:44:40,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:40,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-11-28 18:44:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 387. [2018-11-28 18:44:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-11-28 18:44:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 441 transitions. [2018-11-28 18:44:40,204 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 441 transitions. Word has length 103 [2018-11-28 18:44:40,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:40,204 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 441 transitions. [2018-11-28 18:44:40,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:44:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 441 transitions. [2018-11-28 18:44:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:44:40,207 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:40,208 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:40,208 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:40,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:40,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2029925680, now seen corresponding path program 1 times [2018-11-28 18:44:40,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:40,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:40,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:40,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:40,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:40,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:44:40,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:44:40,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:44:40,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:40,524 INFO L87 Difference]: Start difference. First operand 387 states and 441 transitions. Second operand 4 states. [2018-11-28 18:44:41,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:41,594 INFO L93 Difference]: Finished difference Result 1132 states and 1360 transitions. [2018-11-28 18:44:41,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:44:41,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-28 18:44:41,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:41,606 INFO L225 Difference]: With dead ends: 1132 [2018-11-28 18:44:41,607 INFO L226 Difference]: Without dead ends: 773 [2018-11-28 18:44:41,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:41,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-11-28 18:44:41,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 758. [2018-11-28 18:44:41,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2018-11-28 18:44:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 891 transitions. [2018-11-28 18:44:41,687 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 891 transitions. Word has length 103 [2018-11-28 18:44:41,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:41,689 INFO L480 AbstractCegarLoop]: Abstraction has 758 states and 891 transitions. [2018-11-28 18:44:41,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:44:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 891 transitions. [2018-11-28 18:44:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 18:44:41,694 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:41,694 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:41,694 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:41,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash 657035318, now seen corresponding path program 1 times [2018-11-28 18:44:41,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:41,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:41,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:41,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:44:41,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:41,927 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 18:44:41,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:42,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:43,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:43,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:43,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:43,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:43,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:43,725 INFO L87 Difference]: Start difference. First operand 758 states and 891 transitions. Second operand 19 states. [2018-11-28 18:44:49,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:49,214 INFO L93 Difference]: Finished difference Result 1457 states and 1733 transitions. [2018-11-28 18:44:49,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:49,216 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-28 18:44:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:49,220 INFO L225 Difference]: With dead ends: 1457 [2018-11-28 18:44:49,220 INFO L226 Difference]: Without dead ends: 727 [2018-11-28 18:44:49,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:44:49,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2018-11-28 18:44:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2018-11-28 18:44:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2018-11-28 18:44:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 840 transitions. [2018-11-28 18:44:49,288 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 840 transitions. Word has length 107 [2018-11-28 18:44:49,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:49,289 INFO L480 AbstractCegarLoop]: Abstraction has 727 states and 840 transitions. [2018-11-28 18:44:49,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 840 transitions. [2018-11-28 18:44:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 18:44:49,295 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:49,296 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:49,296 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:49,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:49,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1976835013, now seen corresponding path program 1 times [2018-11-28 18:44:49,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:49,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:49,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:49,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:49,614 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 18:44:49,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:49,614 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 18:44:49,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:49,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:44:49,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:49,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 18:44:49,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:49,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:49,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:49,987 INFO L87 Difference]: Start difference. First operand 727 states and 840 transitions. Second operand 6 states. [2018-11-28 18:44:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:51,434 INFO L93 Difference]: Finished difference Result 1573 states and 1910 transitions. [2018-11-28 18:44:51,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:51,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-28 18:44:51,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:51,445 INFO L225 Difference]: With dead ends: 1573 [2018-11-28 18:44:51,446 INFO L226 Difference]: Without dead ends: 994 [2018-11-28 18:44:51,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:51,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-28 18:44:51,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 899. [2018-11-28 18:44:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2018-11-28 18:44:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1056 transitions. [2018-11-28 18:44:51,532 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1056 transitions. Word has length 162 [2018-11-28 18:44:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:51,533 INFO L480 AbstractCegarLoop]: Abstraction has 899 states and 1056 transitions. [2018-11-28 18:44:51,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1056 transitions. [2018-11-28 18:44:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-28 18:44:51,539 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:51,539 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:51,541 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:51,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:51,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1448753525, now seen corresponding path program 1 times [2018-11-28 18:44:51,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:51,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:51,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:51,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-28 18:44:52,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:52,166 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 18:44:52,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:52,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:44:52,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:52,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:52,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:52,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:52,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:52,579 INFO L87 Difference]: Start difference. First operand 899 states and 1056 transitions. Second operand 19 states. [2018-11-28 18:44:53,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:53,510 INFO L93 Difference]: Finished difference Result 1532 states and 1831 transitions. [2018-11-28 18:44:53,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:53,512 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 158 [2018-11-28 18:44:53,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:53,513 INFO L225 Difference]: With dead ends: 1532 [2018-11-28 18:44:53,513 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:53,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:44:53,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:53,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:53,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-11-28 18:44:53,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:53,524 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:53,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:53,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:53,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:53,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:53,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:53,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:53,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:53,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,725 WARN L180 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2018-11-28 18:44:55,372 WARN L180 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 16 [2018-11-28 18:44:56,408 WARN L180 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2018-11-28 18:44:57,150 WARN L180 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 19 [2018-11-28 18:44:58,144 WARN L180 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2018-11-28 18:44:58,555 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2018-11-28 18:44:58,796 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2018-11-28 18:44:59,518 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2018-11-28 18:44:59,697 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2018-11-28 18:44:59,813 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 22 [2018-11-28 18:45:00,298 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2018-11-28 18:45:01,109 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2018-11-28 18:45:01,291 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2018-11-28 18:45:01,295 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-11-28 18:45:01,295 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-11-28 18:45:01,295 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-28 18:45:01,295 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-11-28 18:45:01,295 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-28 18:45:01,297 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,297 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,297 INFO L444 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,297 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2018-11-28 18:45:01,297 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2018-11-28 18:45:01,297 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 18:45:01,298 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2018-11-28 18:45:01,298 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,298 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,298 INFO L444 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,298 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2018-11-28 18:45:01,298 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:01,298 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2018-11-28 18:45:01,299 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 (not .cse2) .cse0))) [2018-11-28 18:45:01,299 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-11-28 18:45:01,299 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2018-11-28 18:45:01,299 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:45:01,299 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2018-11-28 18:45:01,299 INFO L444 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-28 18:45:01,299 INFO L448 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2018-11-28 18:45:01,299 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0))) [2018-11-28 18:45:01,300 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2018-11-28 18:45:01,300 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2018-11-28 18:45:01,300 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2018-11-28 18:45:01,300 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-11-28 18:45:01,300 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-11-28 18:45:01,300 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,300 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2018-11-28 18:45:01,300 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,300 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2018-11-28 18:45:01,301 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2018-11-28 18:45:01,301 INFO L451 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2018-11-28 18:45:01,301 INFO L448 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2018-11-28 18:45:01,301 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2018-11-28 18:45:01,301 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2018-11-28 18:45:01,302 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:45:01,302 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2018-11-28 18:45:01,302 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2018-11-28 18:45:01,302 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-28 18:45:01,302 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2018-11-28 18:45:01,302 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2018-11-28 18:45:01,302 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2018-11-28 18:45:01,302 INFO L444 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse0))) [2018-11-28 18:45:01,302 INFO L448 ceAbstractionStarter]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2018-11-28 18:45:01,303 INFO L444 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-28 18:45:01,303 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:01,303 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2018-11-28 18:45:01,303 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2018-11-28 18:45:01,303 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse2 .cse4))) [2018-11-28 18:45:01,303 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:01,303 INFO L448 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2018-11-28 18:45:01,303 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2018-11-28 18:45:01,303 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2018-11-28 18:45:01,304 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2018-11-28 18:45:01,304 INFO L444 ceAbstractionStarter]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 18:45:01,304 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,304 INFO L448 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2018-11-28 18:45:01,304 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 775) no Hoare annotation was computed. [2018-11-28 18:45:01,304 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2018-11-28 18:45:01,304 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 18:45:01,304 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2018-11-28 18:45:01,304 INFO L448 ceAbstractionStarter]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2018-11-28 18:45:01,305 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0) (= ~methaneLevelCritical~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:01,305 INFO L444 ceAbstractionStarter]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 18:45:01,305 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2018-11-28 18:45:01,305 INFO L448 ceAbstractionStarter]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2018-11-28 18:45:01,305 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2018-11-28 18:45:01,305 INFO L444 ceAbstractionStarter]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:01,305 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2018-11-28 18:45:01,305 INFO L448 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2018-11-28 18:45:01,305 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:45:01,306 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2018-11-28 18:45:01,306 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2018-11-28 18:45:01,306 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: true [2018-11-28 18:45:01,306 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:01,306 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2018-11-28 18:45:01,306 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2018-11-28 18:45:01,306 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:45:01,306 INFO L448 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2018-11-28 18:45:01,306 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2018-11-28 18:45:01,306 INFO L448 ceAbstractionStarter]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2018-11-28 18:45:01,307 INFO L451 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-11-28 18:45:01,307 INFO L448 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-11-28 18:45:01,307 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2018-11-28 18:45:01,307 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: true [2018-11-28 18:45:01,307 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2018-11-28 18:45:01,307 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2018-11-28 18:45:01,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:01,307 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:45:01,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:01,307 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2018-11-28 18:45:01,308 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:01,308 INFO L448 ceAbstractionStarter]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2018-11-28 18:45:01,308 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 18:45:01,308 INFO L448 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2018-11-28 18:45:01,308 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 18:45:01,308 INFO L448 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2018-11-28 18:45:01,308 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2018-11-28 18:45:01,308 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-11-28 18:45:01,308 INFO L451 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-11-28 18:45:01,309 INFO L448 ceAbstractionStarter]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2018-11-28 18:45:01,309 INFO L448 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-11-28 18:45:01,309 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2018-11-28 18:45:01,309 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2018-11-28 18:45:01,309 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (= ~methaneLevelCritical~0 1) (not (= 0 ~pumpRunning~0)) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-28 18:45:01,309 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2018-11-28 18:45:01,309 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2018-11-28 18:45:01,309 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2018-11-28 18:45:01,309 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2018-11-28 18:45:01,309 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2018-11-28 18:45:01,310 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (or .cse4 .cse3 .cse2)) (or .cse4 .cse1 .cse2))) [2018-11-28 18:45:01,310 INFO L444 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0)))) (or .cse0 (or .cse4 .cse3 .cse2)) (or (= 0 ~pumpRunning~0) .cse4 .cse2))) [2018-11-28 18:45:01,310 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:45:01,310 INFO L448 ceAbstractionStarter]: For program point L536(lines 535 554) no Hoare annotation was computed. [2018-11-28 18:45:01,310 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:01,310 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2018-11-28 18:45:01,310 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2018-11-28 18:45:01,310 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2018-11-28 18:45:01,311 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2018-11-28 18:45:01,311 INFO L451 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2018-11-28 18:45:01,311 INFO L448 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-11-28 18:45:01,311 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-11-28 18:45:01,311 INFO L451 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2018-11-28 18:45:01,311 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 18:45:01,311 INFO L451 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2018-11-28 18:45:01,311 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-28 18:45:01,311 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-28 18:45:01,311 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1) .cse2) (or .cse2 (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-28 18:45:01,311 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2018-11-28 18:45:01,312 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2018-11-28 18:45:01,312 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2018-11-28 18:45:01,312 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2018-11-28 18:45:01,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:01,312 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 18:45:01,312 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:01,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:01,312 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2018-11-28 18:45:01,312 INFO L448 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2018-11-28 18:45:01,312 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:01,313 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-11-28 18:45:01,313 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-11-28 18:45:01,313 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-11-28 18:45:01,313 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-11-28 18:45:01,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:01 BoogieIcfgContainer [2018-11-28 18:45:01,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:01,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:01,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:01,327 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:01,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:33" (3/4) ... [2018-11-28 18:45:01,332 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:01,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:01,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:01,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:01,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:45:01,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:01,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:01,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:01,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:01,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:01,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:01,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:45:01,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:45:01,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:45:01,354 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:45:01,354 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:01,355 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:01,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-28 18:45:01,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:01,469 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:01,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:01,471 INFO L168 Benchmark]: Toolchain (without parser) took 30373.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 360.2 MB). Free memory was 951.3 MB in the beginning and 910.0 MB in the end (delta: 41.4 MB). Peak memory consumption was 401.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:01,472 INFO L168 Benchmark]: CDTParser took 0.21 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 18:45:01,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:01,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:01,474 INFO L168 Benchmark]: Boogie Preprocessor took 47.94 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 18:45:01,475 INFO L168 Benchmark]: RCFGBuilder took 1295.17 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:01,476 INFO L168 Benchmark]: TraceAbstraction took 28064.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 218.1 MB). Free memory was 1.1 GB in the beginning and 911.5 MB in the end (delta: 166.7 MB). Peak memory consumption was 411.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:01,476 INFO L168 Benchmark]: Witness Printer took 142.61 ms. Allocated memory is still 1.4 GB. Free memory was 911.5 MB in the beginning and 910.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:01,481 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 676.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.94 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 1295.17 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28064.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 218.1 MB). Free memory was 1.1 GB in the beginning and 911.5 MB in the end (delta: 166.7 MB). Peak memory consumption was 411.5 MB. Max. memory is 11.5 GB. * Witness Printer took 142.61 ms. Allocated memory is still 1.4 GB. Free memory was 911.5 MB in the beginning and 910.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 734]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 148 locations, 1 error locations. SAFE Result, 27.9s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 13.0s AutomataDifference, 0.0s DeadEndRemovalTime, 7.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2157 SDtfs, 1532 SDslu, 7231 SDs, 0 SdLazy, 3548 SolverSat, 460 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 582 GetRequests, 465 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=899occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 174 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2017 PreInvPairs, 2138 NumberOfFragments, 1315 HoareAnnotationTreeSize, 2017 FomulaSimplifications, 5180 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 12036 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1546 ConstructedInterpolants, 0 QuantifiedInterpolants, 280397 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2573 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/215 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...