./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product61_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_product61_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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:45:07,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:07,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:07,300 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:07,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:07,301 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:07,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:07,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:07,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:07,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:07,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:07,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:07,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:07,312 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:07,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:07,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:07,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:07,318 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:07,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:07,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:07,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:07,325 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:07,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:07,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:07,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:07,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:07,331 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:07,332 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:07,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:07,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:07,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:07,336 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:07,336 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:07,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:07,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:07,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:07,339 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:07,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:07,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:07,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:07,358 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:07,359 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:07,359 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:07,359 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:07,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:07,360 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:07,360 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:07,360 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:07,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:07,361 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:07,361 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:07,361 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:07,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:07,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:07,362 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:07,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:07,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:07,363 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:07,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:07,363 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:07,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:07,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:07,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:07,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:07,369 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:07,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:07,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:07,369 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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-11-28 18:45:07,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:07,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:07,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:07,426 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:07,426 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:07,428 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:07,494 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be33f250/b7795d14151f436799e57f0b1dd1dbf5/FLAGa8c2ea573 [2018-11-28 18:45:08,047 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:08,048 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:08,064 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be33f250/b7795d14151f436799e57f0b1dd1dbf5/FLAGa8c2ea573 [2018-11-28 18:45:08,317 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be33f250/b7795d14151f436799e57f0b1dd1dbf5 [2018-11-28 18:45:08,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:08,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:08,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:08,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:08,327 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:08,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:08,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6462de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08, skipping insertion in model container [2018-11-28 18:45:08,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:08,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:08,400 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:08,768 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:08,789 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:08,899 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:08,942 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:08,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08 WrapperNode [2018-11-28 18:45:08,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:08,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:08,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:08,945 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:09,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:09,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:09,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:09,077 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:09,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:09,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:09,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:09,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:09,125 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:09,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:45:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:45:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:45:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:45:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:45:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:45:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:45:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:10,409 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:10,410 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:10,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:10 BoogieIcfgContainer [2018-11-28 18:45:10,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:10,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:10,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:10,416 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:10,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:08" (1/3) ... [2018-11-28 18:45:10,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1986e45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:10, skipping insertion in model container [2018-11-28 18:45:10,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08" (2/3) ... [2018-11-28 18:45:10,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1986e45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:10, skipping insertion in model container [2018-11-28 18:45:10,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:10" (3/3) ... [2018-11-28 18:45:10,422 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:10,435 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:10,447 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:10,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:10,501 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:10,502 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:10,502 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:10,502 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:10,504 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:10,504 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:10,505 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:10,505 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:10,505 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-11-28 18:45:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:45:10,557 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:10,559 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 18:45:10,561 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:10,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:10,568 INFO L82 PathProgramCache]: Analyzing trace with hash 389066251, now seen corresponding path program 1 times [2018-11-28 18:45:10,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:10,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:10,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:10,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:10,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:10,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:10,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:10,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:10,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:10,970 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-11-28 18:45:11,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:11,031 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2018-11-28 18:45:11,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:11,036 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:45:11,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:11,060 INFO L225 Difference]: With dead ends: 306 [2018-11-28 18:45:11,060 INFO L226 Difference]: Without dead ends: 155 [2018-11-28 18:45:11,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:11,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-28 18:45:11,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-28 18:45:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-28 18:45:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2018-11-28 18:45:11,140 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2018-11-28 18:45:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:11,140 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2018-11-28 18:45:11,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2018-11-28 18:45:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:11,146 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:11,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:11,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:11,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:11,147 INFO L82 PathProgramCache]: Analyzing trace with hash -286557566, now seen corresponding path program 1 times [2018-11-28 18:45:11,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:11,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:11,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:11,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:11,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:11,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:11,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:11,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:11,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:11,360 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2018-11-28 18:45:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:11,439 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-11-28 18:45:11,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:11,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:45:11,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:11,446 INFO L225 Difference]: With dead ends: 255 [2018-11-28 18:45:11,446 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 18:45:11,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:11,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 18:45:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 18:45:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 18:45:11,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2018-11-28 18:45:11,481 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2018-11-28 18:45:11,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:11,482 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2018-11-28 18:45:11,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2018-11-28 18:45:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 18:45:11,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:11,490 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 18:45:11,491 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:11,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:11,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1860139503, now seen corresponding path program 1 times [2018-11-28 18:45:11,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:11,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:11,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:11,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:12,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:12,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:12,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:12,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:12,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:12,075 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2018-11-28 18:45:13,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:13,157 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2018-11-28 18:45:13,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:13,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 18:45:13,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:13,160 INFO L225 Difference]: With dead ends: 264 [2018-11-28 18:45:13,161 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 18:45:13,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:13,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 18:45:13,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 18:45:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 18:45:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-28 18:45:13,189 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2018-11-28 18:45:13,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:13,190 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-28 18:45:13,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-28 18:45:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-28 18:45:13,195 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:13,196 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] [2018-11-28 18:45:13,196 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:13,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:13,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1068225782, now seen corresponding path program 1 times [2018-11-28 18:45:13,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:13,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:13,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:13,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:13,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:13,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:13,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:13,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:13,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:13,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:13,531 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2018-11-28 18:45:15,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:15,122 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2018-11-28 18:45:15,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:15,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-28 18:45:15,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:15,126 INFO L225 Difference]: With dead ends: 375 [2018-11-28 18:45:15,126 INFO L226 Difference]: Without dead ends: 257 [2018-11-28 18:45:15,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-28 18:45:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2018-11-28 18:45:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-11-28 18:45:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2018-11-28 18:45:15,158 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2018-11-28 18:45:15,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:15,158 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2018-11-28 18:45:15,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2018-11-28 18:45:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:45:15,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:15,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:15,161 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:15,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:15,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1280982680, now seen corresponding path program 1 times [2018-11-28 18:45:15,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:15,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:15,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:15,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:15,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:15,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:15,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:15,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:15,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:15,404 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2018-11-28 18:45:15,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:15,718 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2018-11-28 18:45:15,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:15,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 18:45:15,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:15,728 INFO L225 Difference]: With dead ends: 643 [2018-11-28 18:45:15,729 INFO L226 Difference]: Without dead ends: 432 [2018-11-28 18:45:15,730 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 18:45:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-28 18:45:15,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2018-11-28 18:45:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-11-28 18:45:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-11-28 18:45:15,823 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2018-11-28 18:45:15,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:15,824 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-11-28 18:45:15,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-11-28 18:45:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 18:45:15,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:15,826 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:15,826 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:15,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:15,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1019197196, now seen corresponding path program 1 times [2018-11-28 18:45:15,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:15,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:15,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:15,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:16,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:16,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:16,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:16,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:16,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:16,053 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2018-11-28 18:45:17,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:17,126 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2018-11-28 18:45:17,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:45:17,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-28 18:45:17,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:17,136 INFO L225 Difference]: With dead ends: 853 [2018-11-28 18:45:17,138 INFO L226 Difference]: Without dead ends: 455 [2018-11-28 18:45:17,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:17,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-11-28 18:45:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2018-11-28 18:45:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-11-28 18:45:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2018-11-28 18:45:17,186 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2018-11-28 18:45:17,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:17,187 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2018-11-28 18:45:17,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2018-11-28 18:45:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:45:17,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:17,191 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, 1] [2018-11-28 18:45:17,191 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:17,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:17,191 INFO L82 PathProgramCache]: Analyzing trace with hash -521179943, now seen corresponding path program 1 times [2018-11-28 18:45:17,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:17,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:17,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:17,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:17,407 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 18:45:17,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:17,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:17,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:17,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:17,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:17,409 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2018-11-28 18:45:17,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:17,514 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2018-11-28 18:45:17,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:17,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-28 18:45:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:17,524 INFO L225 Difference]: With dead ends: 836 [2018-11-28 18:45:17,524 INFO L226 Difference]: Without dead ends: 439 [2018-11-28 18:45:17,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-11-28 18:45:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-11-28 18:45:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-11-28 18:45:17,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2018-11-28 18:45:17,555 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2018-11-28 18:45:17,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:17,555 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2018-11-28 18:45:17,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2018-11-28 18:45:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:45:17,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:17,559 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, 1] [2018-11-28 18:45:17,559 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:17,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:17,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1417982103, now seen corresponding path program 1 times [2018-11-28 18:45:17,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:17,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:17,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:17,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:17,926 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 18:45:17,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:17,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:45:17,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:45:17,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:45:17,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:17,928 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2018-11-28 18:45:18,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:18,014 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2018-11-28 18:45:18,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:18,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-28 18:45:18,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:18,024 INFO L225 Difference]: With dead ends: 856 [2018-11-28 18:45:18,024 INFO L226 Difference]: Without dead ends: 449 [2018-11-28 18:45:18,025 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:18,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-11-28 18:45:18,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-11-28 18:45:18,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-28 18:45:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2018-11-28 18:45:18,056 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2018-11-28 18:45:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:18,056 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2018-11-28 18:45:18,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:45:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2018-11-28 18:45:18,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:45:18,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:18,061 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, 1] [2018-11-28 18:45:18,061 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:18,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:18,063 INFO L82 PathProgramCache]: Analyzing trace with hash -2107815178, now seen corresponding path program 1 times [2018-11-28 18:45:18,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:18,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:18,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:18,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:18,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:18,400 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 18:45:18,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:18,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:45:18,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:45:18,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:45:18,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:45:18,401 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2018-11-28 18:45:19,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:19,843 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2018-11-28 18:45:19,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:45:19,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-28 18:45:19,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:19,850 INFO L225 Difference]: With dead ends: 1306 [2018-11-28 18:45:19,851 INFO L226 Difference]: Without dead ends: 891 [2018-11-28 18:45:19,852 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 18:45:19,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-11-28 18:45:19,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2018-11-28 18:45:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-11-28 18:45:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2018-11-28 18:45:19,915 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2018-11-28 18:45:19,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:19,915 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2018-11-28 18:45:19,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:45:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2018-11-28 18:45:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-28 18:45:19,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:19,922 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, 1, 1, 1, 1, 1] [2018-11-28 18:45:19,922 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:19,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:19,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1926232080, now seen corresponding path program 1 times [2018-11-28 18:45:19,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:19,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:19,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:19,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:19,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:20,523 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 18:45:20,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:20,523 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 18:45:20,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:20,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:21,317 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 18:45:21,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:21,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:45:21,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:45:21,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:45:21,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:45:21,348 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2018-11-28 18:45:26,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:26,973 INFO L93 Difference]: Finished difference Result 1691 states and 2002 transitions. [2018-11-28 18:45:26,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:45:26,974 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2018-11-28 18:45:26,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:26,980 INFO L225 Difference]: With dead ends: 1691 [2018-11-28 18:45:26,981 INFO L226 Difference]: Without dead ends: 843 [2018-11-28 18:45:26,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:45:26,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2018-11-28 18:45:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2018-11-28 18:45:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2018-11-28 18:45:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 971 transitions. [2018-11-28 18:45:27,036 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 971 transitions. Word has length 112 [2018-11-28 18:45:27,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:27,036 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 971 transitions. [2018-11-28 18:45:27,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:45:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 971 transitions. [2018-11-28 18:45:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-28 18:45:27,042 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:27,043 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:27,043 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:27,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1745312647, now seen corresponding path program 1 times [2018-11-28 18:45:27,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:27,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:27,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:27,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:27,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-28 18:45:27,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:27,325 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 18:45:27,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:27,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:45:27,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:27,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 18:45:27,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:27,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:27,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:27,592 INFO L87 Difference]: Start difference. First operand 843 states and 971 transitions. Second operand 6 states. [2018-11-28 18:45:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:29,096 INFO L93 Difference]: Finished difference Result 1811 states and 2185 transitions. [2018-11-28 18:45:29,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:29,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2018-11-28 18:45:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:29,105 INFO L225 Difference]: With dead ends: 1811 [2018-11-28 18:45:29,105 INFO L226 Difference]: Without dead ends: 1126 [2018-11-28 18:45:29,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:29,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2018-11-28 18:45:29,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1025. [2018-11-28 18:45:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2018-11-28 18:45:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1200 transitions. [2018-11-28 18:45:29,183 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1200 transitions. Word has length 185 [2018-11-28 18:45:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:29,184 INFO L480 AbstractCegarLoop]: Abstraction has 1025 states and 1200 transitions. [2018-11-28 18:45:29,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1200 transitions. [2018-11-28 18:45:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-28 18:45:29,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:29,190 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:29,191 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:29,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:29,192 INFO L82 PathProgramCache]: Analyzing trace with hash 627913357, now seen corresponding path program 1 times [2018-11-28 18:45:29,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:29,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:29,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:29,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:29,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 18:45:29,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:29,847 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 18:45:29,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:29,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:45:30,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:30,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:45:30,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:45:30,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:45:30,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:45:30,210 INFO L87 Difference]: Start difference. First operand 1025 states and 1200 transitions. Second operand 19 states. [2018-11-28 18:45:31,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:31,174 INFO L93 Difference]: Finished difference Result 1757 states and 2095 transitions. [2018-11-28 18:45:31,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:45:31,182 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 181 [2018-11-28 18:45:31,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:31,183 INFO L225 Difference]: With dead ends: 1757 [2018-11-28 18:45:31,183 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:45:31,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:45:31,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:45:31,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:45:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:45:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:45:31,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-11-28 18:45:31,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:31,193 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:45:31,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:45:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:45:31,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:45:31,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:45:31,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:31,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:32,786 WARN L180 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2018-11-28 18:45:33,098 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2018-11-28 18:45:33,270 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2018-11-28 18:45:33,386 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 16 [2018-11-28 18:45:33,713 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2018-11-28 18:45:34,371 WARN L180 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2018-11-28 18:45:34,854 WARN L180 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-11-28 18:45:35,406 WARN L180 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 9 [2018-11-28 18:45:35,511 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 1 [2018-11-28 18:45:35,915 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 19 [2018-11-28 18:45:36,131 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2018-11-28 18:45:36,488 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 18 [2018-11-28 18:45:36,705 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 24 [2018-11-28 18:45:36,808 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 19 [2018-11-28 18:45:37,025 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 20 [2018-11-28 18:45:37,379 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2018-11-28 18:45:37,655 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 29 [2018-11-28 18:45:38,341 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-11-28 18:45:38,342 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-11-28 18:45:38,342 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-11-28 18:45:38,342 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-11-28 18:45:38,342 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-11-28 18:45:38,342 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:38,342 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-11-28 18:45:38,342 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~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 18:45:38,343 INFO L444 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~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 18:45:38,343 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-11-28 18:45:38,343 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-11-28 18:45:38,343 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-11-28 18:45:38,343 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-28 18:45:38,343 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:38,343 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:38,343 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:38,344 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-28 18:45:38,344 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-11-28 18:45:38,345 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:38,345 INFO L444 ceAbstractionStarter]: At program point L847(line 847) 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 18:45:38,346 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-11-28 18:45:38,346 INFO L444 ceAbstractionStarter]: At program point L843(line 843) 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 18:45:38,346 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-11-28 18:45:38,346 INFO L444 ceAbstractionStarter]: At program point L839(line 839) 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 18:45:38,346 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-11-28 18:45:38,346 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-11-28 18:45:38,346 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-11-28 18:45:38,346 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-11-28 18:45:38,346 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-11-28 18:45:38,346 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-11-28 18:45:38,347 INFO L448 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-11-28 18:45:38,347 INFO L451 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-11-28 18:45:38,347 INFO L448 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-11-28 18:45:38,347 INFO L448 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-11-28 18:45:38,347 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-11-28 18:45:38,347 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-11-28 18:45:38,347 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-11-28 18:45:38,347 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-11-28 18:45:38,347 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:38,347 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-11-28 18:45:38,347 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:38,348 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-11-28 18:45:38,348 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-11-28 18:45:38,348 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-11-28 18:45:38,348 INFO L451 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-11-28 18:45:38,348 INFO L448 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-11-28 18:45:38,348 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-11-28 18:45:38,348 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:38,348 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-11-28 18:45:38,348 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-11-28 18:45:38,349 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-11-28 18:45:38,349 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-28 18:45:38,349 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-11-28 18:45:38,349 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-11-28 18:45:38,349 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) 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 .cse0))) [2018-11-28 18:45:38,349 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-28 18:45:38,349 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-11-28 18:45:38,349 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-28 18:45:38,350 INFO L444 ceAbstractionStarter]: At program point L869(line 869) 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 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:38,355 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-11-28 18:45:38,355 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-11-28 18:45:38,355 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-11-28 18:45:38,355 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-11-28 18:45:38,355 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-11-28 18:45:38,355 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-11-28 18:45:38,355 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-11-28 18:45:38,355 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-11-28 18:45:38,356 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:38,356 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-11-28 18:45:38,356 INFO L444 ceAbstractionStarter]: At program point L653(lines 606 654) 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 18:45:38,356 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-11-28 18:45:38,356 INFO L444 ceAbstractionStarter]: At program point L643-2(lines 637 648) 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 18:45:38,356 INFO L448 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-11-28 18:45:38,356 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-11-28 18:45:38,356 INFO L444 ceAbstractionStarter]: At program point L629(line 629) 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 18:45:38,356 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-11-28 18:45:38,357 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-11-28 18:45:38,357 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0))) [2018-11-28 18:45:38,357 INFO L444 ceAbstractionStarter]: At program point L650(lines 607 652) 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 18:45:38,357 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-11-28 18:45:38,357 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-11-28 18:45:38,357 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-11-28 18:45:38,357 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:45:38,357 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-11-28 18:45:38,357 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-11-28 18:45:38,357 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-11-28 18:45:38,365 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-11-28 18:45:38,365 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-11-28 18:45:38,365 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-28 18:45:38,365 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-28 18:45:38,365 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:45:38,365 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-28 18:45:38,365 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-28 18:45:38,365 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-28 18:45:38,365 INFO L451 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2018-11-28 18:45:38,366 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-28 18:45:38,366 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2018-11-28 18:45:38,366 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-28 18:45:38,366 INFO L444 ceAbstractionStarter]: At program point L67(line 67) 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 18:45:38,366 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-11-28 18:45:38,366 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-28 18:45:38,366 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-28 18:45:38,366 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:38,366 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 18:45:38,366 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:38,367 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:38,367 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-11-28 18:45:38,367 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-11-28 18:45:38,367 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:38,367 INFO L444 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= activatePump_~tmp~9 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:38,367 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-11-28 18:45:38,367 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-11-28 18:45:38,367 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-11-28 18:45:38,367 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-11-28 18:45:38,368 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-11-28 18:45:38,373 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-11-28 18:45:38,373 INFO L451 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-11-28 18:45:38,373 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-11-28 18:45:38,373 INFO L448 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-11-28 18:45:38,373 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-28 18:45:38,373 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-11-28 18:45:38,373 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-11-28 18:45:38,374 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse3))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-28 18:45:38,374 INFO L444 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= 0 ~pumpRunning~0))) (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (and .cse4 .cse5)) (.cse3 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse1))) (or (and .cse5 .cse0) (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3)))) [2018-11-28 18:45:38,374 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:38,374 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:38,374 INFO L448 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-11-28 18:45:38,374 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-11-28 18:45:38,374 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-11-28 18:45:38,374 INFO L451 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-11-28 18:45:38,374 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-11-28 18:45:38,375 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-28 18:45:38,375 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-11-28 18:45:38,375 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2018-11-28 18:45:38,375 INFO L451 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-11-28 18:45:38,375 INFO L448 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-11-28 18:45:38,375 INFO L451 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-11-28 18:45:38,375 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-28 18:45:38,375 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-11-28 18:45:38,375 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-11-28 18:45:38,375 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-11-28 18:45:38,375 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-11-28 18:45:38,375 INFO L448 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-11-28 18:45:38,376 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:45:38,376 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-11-28 18:45:38,376 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-11-28 18:45:38,376 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-11-28 18:45:38,376 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:38,376 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 18:45:38,376 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:38,376 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:38,376 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:38,376 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-11-28 18:45:38,380 INFO L444 ceAbstractionStarter]: At program point L826(line 826) 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 18:45:38,380 INFO L448 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-11-28 18:45:38,380 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-11-28 18:45:38,380 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-28 18:45:38,380 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-11-28 18:45:38,380 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-28 18:45:38,380 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-28 18:45:38,381 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-11-28 18:45:38,381 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-11-28 18:45:38,381 INFO L448 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-11-28 18:45:38,381 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:38,381 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-11-28 18:45:38,381 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-11-28 18:45:38,381 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-11-28 18:45:38,381 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-11-28 18:45:38,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:38 BoogieIcfgContainer [2018-11-28 18:45:38,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:38,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:38,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:38,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:38,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:10" (3/4) ... [2018-11-28 18:45:38,414 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:38,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:38,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:38,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:38,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:45:38,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:38,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:45:38,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:38,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:38,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:38,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:38,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:38,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:38,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:38,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:38,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:38,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:38,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:38,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:38,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:38,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:38,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 18:45:38,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:45:38,444 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:45:38,445 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:45:38,445 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:38,447 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:38,478 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 18:45:38,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:38,559 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:38,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:38,561 INFO L168 Benchmark]: Toolchain (without parser) took 30240.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 368.6 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -336.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:38,563 INFO L168 Benchmark]: CDTParser took 0.18 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 18:45:38,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:38,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:38,564 INFO L168 Benchmark]: Boogie Preprocessor took 47.30 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 18:45:38,565 INFO L168 Benchmark]: RCFGBuilder took 1286.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:38,565 INFO L168 Benchmark]: TraceAbstraction took 27994.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -232.9 MB). Peak memory consumption was 499.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:38,565 INFO L168 Benchmark]: Witness Printer took 154.18 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:38,570 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 620.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.30 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 1286.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27994.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -232.9 MB). Peak memory consumption was 499.4 MB. Max. memory is 11.5 GB. * Witness Printer took 154.18 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: 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) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 27.8s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 14.0s AutomataDifference, 0.0s DeadEndRemovalTime, 7.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2528 SDtfs, 2019 SDslu, 8321 SDs, 0 SdLazy, 3951 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 637 GetRequests, 519 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1025occurred 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, 180 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2454 PreInvPairs, 2580 NumberOfFragments, 1518 HoareAnnotationTreeSize, 2454 FomulaSimplifications, 5508 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 70 FomulaSimplificationsInter, 12835 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1693 NumberOfCodeBlocks, 1693 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1678 ConstructedInterpolants, 0 QuantifiedInterpolants, 333729 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2689 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 221/231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...